refactor: Optimize filter change handling and query invalidation in usePromptGroupsNav hook

- Added MarketplaceAdminSettings component for managing marketplace permissions.
- Updated roles.js to include marketplace permissions in the API.
- Refactored interface.js to streamline marketplace permissions handling.
- Enhanced Marketplace component to integrate admin settings.
- Updated localization files to include new marketplace-related keys.
- Added new API endpoint for updating marketplace permissions in data-service.

.env.example

@@ -742,16 +742,3 @@ OPENWEATHER_API_KEY=
 # JINA_API_KEY=your_jina_api_key
 # or
 # COHERE_API_KEY=your_cohere_api_key
-
-#======================#
-# MCP Configuration    #
-#======================#
-
-# Treat 401/403 responses as OAuth requirement when no oauth metadata found
-# MCP_OAUTH_ON_AUTH_ERROR=true
-
-# Timeout for OAuth detection requests in milliseconds
-# MCP_OAUTH_DETECTION_TIMEOUT=5000
-
-# Cache connection status checks for this many milliseconds to avoid expensive verification
-# MCP_CONNECTION_CHECK_TTL=60000

.github/CONTRIBUTING.md

@@ -147,7 +147,7 @@ Apply the following naming conventions to branches, labels, and other Git-relate
 ## 8. Module Import Conventions
 
 - `npm` packages first, 
-     - from longest line (top) to shortest (bottom)
+     - from shortest line (top) to longest (bottom)
 
 - Followed by typescript types (pertains to data-provider and client workspaces)
      - longest line (top) to shortest (bottom)
@@ -157,8 +157,6 @@ Apply the following naming conventions to branches, labels, and other Git-relate
      - longest line (top) to shortest (bottom)
      - imports with alias `~` treated the same as relative import with respect to line length
 
-**Note:** ESLint will automatically enforce these import conventions when you run `npm run lint --fix` or through pre-commit hooks.
-
 ---
 
 Please ensure that you adapt this summary to fit the specific context and nuances of your project.

.github/workflows/data-provider.yml

@@ -1,4 +1,4 @@
-name: Publish `librechat-data-provider` to NPM
+name: Node.js Package
 
 on:
   push:
@@ -6,12 +6,6 @@ on:
       - main
     paths:
       - 'packages/data-provider/package.json'
-  workflow_dispatch:
-    inputs:
-      reason:
-        description: 'Reason for manual trigger'
-        required: false
-        default: 'Manual publish requested'
 
 jobs:
   build:
@@ -20,7 +14,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 16
       - run: cd packages/data-provider && npm ci
       - run: cd packages/data-provider && npm run build
 
@@ -31,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 16
           registry-url: 'https://registry.npmjs.org'
       - run: cd packages/data-provider && npm ci
       - run: cd packages/data-provider && npm run build

.github/workflows/i18n-unused-keys.yml

@@ -1,10 +1,5 @@
 name: Detect Unused i18next Strings
 
-# This workflow checks for unused i18n keys in translation files.
-# It has special handling for:
-# - com_ui_special_var_* keys that are dynamically constructed
-# - com_agents_category_* keys that are stored in the database and used dynamically
-
 on:
   pull_request:
     paths:
@@ -12,7 +7,6 @@ on:
       - "api/**"
       - "packages/data-provider/src/**"
       - "packages/client/**"
-      - "packages/data-schemas/src/**"
 
 jobs:
   detect-unused-i18n-keys:
@@ -30,7 +24,7 @@ jobs:
 
           # Define paths
           I18N_FILE="client/src/locales/en/translation.json"
-          SOURCE_DIRS=("client/src" "api" "packages/data-provider/src" "packages/client" "packages/data-schemas/src")
+          SOURCE_DIRS=("client/src" "api" "packages/data-provider/src" "packages/client")
 
           # Check if translation file exists
           if [[ ! -f "$I18N_FILE" ]]; then
@@ -58,31 +52,6 @@ jobs:
                 fi
               done
               
-              # Also check if the key is directly used somewhere
-              if [[ "$FOUND" == false ]]; then
-                for DIR in "${SOURCE_DIRS[@]}"; do
-                  if grep -r --include=\*.{js,jsx,ts,tsx} -q "$KEY" "$DIR"; then
-                    FOUND=true
-                    break
-                  fi
-                done
-              fi
-            # Special case for agent category keys that are dynamically used from database
-            elif [[ "$KEY" == com_agents_category_* ]]; then
-              # Check if agent category localization is being used
-              for DIR in "${SOURCE_DIRS[@]}"; do
-                # Check for dynamic category label/description usage
-                if grep -r --include=\*.{js,jsx,ts,tsx} -E "category\.(label|description).*startsWith.*['\"]com_" "$DIR" > /dev/null 2>&1 || \
-                   # Check for the method that defines these keys
-                   grep -r --include=\*.{js,jsx,ts,tsx} "ensureDefaultCategories" "$DIR" > /dev/null 2>&1 || \
-                   # Check for direct usage in agentCategory.ts
-                   grep -r --include=\*.ts -E "label:.*['\"]$KEY['\"]" "$DIR" > /dev/null 2>&1 || \
-                   grep -r --include=\*.ts -E "description:.*['\"]$KEY['\"]" "$DIR" > /dev/null 2>&1; then
-                  FOUND=true
-                  break
-                fi
-              done
-              
               # Also check if the key is directly used somewhere
               if [[ "$FOUND" == false ]]; then
                 for DIR in "${SOURCE_DIRS[@]}"; do

.gitignore

@@ -137,4 +137,3 @@ helm/**/.values.yaml
 /.openai/
 /.tabnine/
 /.codeium
-*.local.md

Dockerfile

@@ -1,4 +1,4 @@
-# v0.8.0-rc3
+# v0.8.0-rc2
 
 # Base node image
 FROM node:20-alpine AS node
@@ -19,12 +19,7 @@ WORKDIR /app
 
 USER node
 
-COPY --chown=node:node package.json package-lock.json ./
-COPY --chown=node:node api/package.json ./api/package.json
-COPY --chown=node:node client/package.json ./client/package.json
-COPY --chown=node:node packages/data-provider/package.json ./packages/data-provider/package.json
-COPY --chown=node:node packages/data-schemas/package.json ./packages/data-schemas/package.json
-COPY --chown=node:node packages/api/package.json ./packages/api/package.json
+COPY --chown=node:node . .
 
 RUN \
     # Allow mounting of these files, which have no default
@@ -34,11 +29,7 @@ RUN \
     npm config set fetch-retry-maxtimeout 600000 ; \
     npm config set fetch-retries 5 ; \
     npm config set fetch-retry-mintimeout 15000 ; \
-    npm ci --no-audit
-
-COPY --chown=node:node . .
-
-RUN \
+    npm install --no-audit; \
     # React client build
     NODE_OPTIONS="--max-old-space-size=2048" npm run frontend; \
     npm prune --production; \
@@ -56,4 +47,4 @@ CMD ["npm", "run", "backend"]
 # WORKDIR /usr/share/nginx/html
 # COPY --from=node /app/client/dist /usr/share/nginx/html
 # COPY client/nginx.conf /etc/nginx/conf.d/default.conf
-# ENTRYPOINT ["nginx", "-g", "daemon off;"]
+# ENTRYPOINT ["nginx", "-g", "daemon off;"]

Dockerfile.multi

@@ -1,5 +1,5 @@
 # Dockerfile.multi
-# v0.8.0-rc3
+# v0.8.0-rc2
 
 # Base for all builds
 FROM node:20-alpine AS base-min

README.md

@@ -65,10 +65,8 @@
 
 - 🔦 **Agents & Tools Integration**:  
   - **[LibreChat Agents](https://www.librechat.ai/docs/features/agents)**:
-    - No-Code Custom Assistants: Build specialized, AI-driven helpers
-    - Agent Marketplace: Discover and deploy community-built agents
-    - Collaborative Sharing: Share agents with specific users and groups
-    - Flexible & Extensible: Use MCP Servers, tools, file search, code execution, and more
+    - No-Code Custom Assistants: Build specialized, AI-driven helpers without coding  
+    - Flexible & Extensible: Use MCP Servers, tools, file search, code execution, and more  
     - Compatible with Custom Endpoints, OpenAI, Azure, Anthropic, AWS Bedrock, Google, Vertex AI, Responses API, and more
     - [Model Context Protocol (MCP) Support](https://modelcontextprotocol.io/clients#librechat) for Tools
 
@@ -89,18 +87,15 @@
   - Create, Save, & Share Custom Presets  
   - Switch between AI Endpoints and Presets mid-chat
   - Edit, Resubmit, and Continue Messages with Conversation branching  
-  - Create and share prompts with specific users and groups
   - [Fork Messages & Conversations](https://www.librechat.ai/docs/features/fork) for Advanced Context control
 
 - 💬 **Multimodal & File Interactions**:  
   - Upload and analyze images with Claude 3, GPT-4.5, GPT-4o, o1, Llama-Vision, and Gemini 📸  
   - Chat with Files using Custom Endpoints, OpenAI, Azure, Anthropic, AWS Bedrock, & Google 🗃️
 
-- 🌎 **Multilingual UI**:
-  - English, 中文 (简体), 中文 (繁體), العربية, Deutsch, Español, Français, Italiano
-  - Polski, Português (PT), Português (BR), Русский, 日本語, Svenska, 한국어, Tiếng Việt
-  - Türkçe, Nederlands, עברית, Català, Čeština, Dansk, Eesti, فارسی
-  - Suomi, Magyar, Հայերեն, Bahasa Indonesia, ქართული, Latviešu, ไทย, ئۇيغۇرچە
+- 🌎 **Multilingual UI**:  
+  - English, 中文, Deutsch, Español, Français, Italiano, Polski, Português Brasileiro
+  - Русский, 日本語, Svenska, 한국어, Tiếng Việt, 繁體中文, العربية, Türkçe, Nederlands, עברית
 
 - 🧠 **Reasoning UI**:  
   - Dynamic Reasoning UI for Chain-of-Thought/Reasoning AI models like DeepSeek-R1

api/app/clients/BaseClient.js

@@ -1,7 +1,5 @@
 const crypto = require('crypto');
 const fetch = require('node-fetch');
-const { logger } = require('@librechat/data-schemas');
-const { getBalanceConfig } = require('@librechat/api');
 const {
   supportsBalanceCheck,
   isAgentsEndpoint,
@@ -17,6 +15,7 @@ const { checkBalance } = require('~/models/balanceMethods');
 const { truncateToolCallOutputs } = require('./prompts');
 const { getFiles } = require('~/models/File');
 const TextStream = require('./TextStream');
+const { logger } = require('~/config');
 
 class BaseClient {
   constructor(apiKey, options = {}) {
@@ -38,8 +37,6 @@ class BaseClient {
     this.conversationId;
     /** @type {string} */
     this.responseMessageId;
-    /** @type {string} */
-    this.parentMessageId;
     /** @type {TAttachment[]} */
     this.attachments;
     /** The key for the usage object's input tokens
@@ -113,15 +110,13 @@ class BaseClient {
    * If a correction to the token usage is needed, the method should return an object with the corrected token counts.
    * Should only be used if `recordCollectedUsage` was not used instead.
    * @param {string} [model]
-   * @param {AppConfig['balance']} [balance]
    * @param {number} promptTokens
    * @param {number} completionTokens
    * @returns {Promise<void>}
    */
-  async recordTokenUsage({ model, balance, promptTokens, completionTokens }) {
+  async recordTokenUsage({ model, promptTokens, completionTokens }) {
     logger.debug('[BaseClient] `recordTokenUsage` not implemented.', {
       model,
-      balance,
       promptTokens,
       completionTokens,
     });
@@ -190,8 +185,7 @@ class BaseClient {
     this.user = user;
     const saveOptions = this.getSaveOptions();
     this.abortController = opts.abortController ?? new AbortController();
-    const requestConvoId = overrideConvoId ?? opts.conversationId;
-    const conversationId = requestConvoId ?? crypto.randomUUID();
+    const conversationId = overrideConvoId ?? opts.conversationId ?? crypto.randomUUID();
     const parentMessageId = opts.parentMessageId ?? Constants.NO_PARENT;
     const userMessageId =
       overrideUserMessageId ?? opts.overrideParentMessageId ?? crypto.randomUUID();
@@ -216,12 +210,11 @@ class BaseClient {
       ...opts,
       user,
       head,
-      saveOptions,
-      userMessageId,
-      requestConvoId,
       conversationId,
       parentMessageId,
+      userMessageId,
       responseMessageId,
+      saveOptions,
     };
   }
 
@@ -240,12 +233,11 @@ class BaseClient {
     const {
       user,
       head,
-      saveOptions,
-      userMessageId,
-      requestConvoId,
       conversationId,
       parentMessageId,
+      userMessageId,
       responseMessageId,
+      saveOptions,
     } = await this.setMessageOptions(opts);
 
     const userMessage = opts.isEdited
@@ -267,8 +259,7 @@ class BaseClient {
     }
 
     if (typeof opts?.onStart === 'function') {
-      const isNewConvo = !requestConvoId && parentMessageId === Constants.NO_PARENT;
-      opts.onStart(userMessage, responseMessageId, isNewConvo);
+      opts.onStart(userMessage, responseMessageId);
     }
 
     return {
@@ -574,7 +565,6 @@ class BaseClient {
   }
 
   async sendMessage(message, opts = {}) {
-    const appConfig = this.options.req?.config;
     /** @type {Promise<TMessage>} */
     let userMessagePromise;
     const { user, head, isEdited, conversationId, responseMessageId, saveOptions, userMessage } =
@@ -624,19 +614,15 @@ class BaseClient {
       this.currentMessages.push(userMessage);
     }
 
-    /**
-     * When the userMessage is pushed to currentMessages, the parentMessage is the userMessageId.
-     * this only matters when buildMessages is utilizing the parentMessageId, and may vary on implementation
-     */
-    const parentMessageId = isEdited ? head : userMessage.messageId;
-    this.parentMessageId = parentMessageId;
     let {
       prompt: payload,
       tokenCountMap,
       promptTokens,
     } = await this.buildMessages(
       this.currentMessages,
-      parentMessageId,
+      // When the userMessage is pushed to currentMessages, the parentMessage is the userMessageId.
+      // this only matters when buildMessages is utilizing the parentMessageId, and may vary on implementation
+      isEdited ? head : userMessage.messageId,
       this.getBuildMessagesOptions(opts),
       opts,
     );
@@ -661,9 +647,9 @@ class BaseClient {
       }
     }
 
-    const balanceConfig = getBalanceConfig(appConfig);
+    const balance = this.options.req?.app?.locals?.balance;
     if (
-      balanceConfig?.enabled &&
+      balance?.enabled &&
       supportsBalanceCheck[this.options.endpointType ?? this.options.endpoint]
     ) {
       await checkBalance({
@@ -762,7 +748,6 @@ class BaseClient {
           usage,
           promptTokens,
           completionTokens,
-          balance: balanceConfig,
           model: responseMessage.model,
         });
       }

api/app/clients/OpenAIClient.js

@@ -36,11 +36,11 @@ const { encodeAndFormat } = require('~/server/services/Files/images/encode');
 const { addSpaceIfNeeded, sleep } = require('~/server/utils');
 const { spendTokens } = require('~/models/spendTokens');
 const { handleOpenAIErrors } = require('./tools/util');
+const { createLLM, RunManager } = require('./llm');
 const { summaryBuffer } = require('./memory');
 const { runTitleChain } = require('./chains');
 const { tokenSplit } = require('./document');
 const BaseClient = require('./BaseClient');
-const { createLLM } = require('./llm');
 const { logger } = require('~/config');
 
 class OpenAIClient extends BaseClient {
@@ -618,6 +618,10 @@ class OpenAIClient extends BaseClient {
     temperature = 0.2,
     max_tokens,
     streaming,
+    context,
+    tokenBuffer,
+    initialMessageCount,
+    conversationId,
   }) {
     const modelOptions = {
       modelName: modelName ?? model,
@@ -649,10 +653,8 @@ class OpenAIClient extends BaseClient {
     if (headers && typeof headers === 'object' && !Array.isArray(headers)) {
       configOptions.baseOptions = {
         headers: resolveHeaders({
-          headers: {
-            ...headers,
-            ...configOptions?.baseOptions?.headers,
-          },
+          ...headers,
+          ...configOptions?.baseOptions?.headers,
         }),
       };
     }
@@ -662,12 +664,22 @@ class OpenAIClient extends BaseClient {
       configOptions.httpsAgent = new HttpsProxyAgent(this.options.proxy);
     }
 
+    const { req, res, debug } = this.options;
+    const runManager = new RunManager({ req, res, debug, abortController: this.abortController });
+    this.runManager = runManager;
+
     const llm = createLLM({
       modelOptions,
       configOptions,
       openAIApiKey: this.apiKey,
       azure: this.azure,
       streaming,
+      callbacks: runManager.createCallbacks({
+        context,
+        tokenBuffer,
+        conversationId: this.conversationId ?? conversationId,
+        initialMessageCount,
+      }),
     });
 
     return llm;
@@ -688,7 +700,6 @@ class OpenAIClient extends BaseClient {
    *                            In case of failure, it will return the default title, "New Chat".
    */
   async titleConvo({ text, conversationId, responseText = '' }) {
-    const appConfig = this.options.req?.config;
     this.conversationId = conversationId;
 
     if (this.options.attachments) {
@@ -717,7 +728,8 @@ class OpenAIClient extends BaseClient {
       max_tokens: 16,
     };
 
-    const azureConfig = appConfig?.endpoints?.[EModelEndpoint.azureOpenAI];
+    /** @type {TAzureConfig | undefined} */
+    const azureConfig = this.options?.req?.app?.locals?.[EModelEndpoint.azureOpenAI];
 
     const resetTitleOptions = !!(
       (this.azure && azureConfig) ||
@@ -737,7 +749,7 @@ class OpenAIClient extends BaseClient {
         groupMap,
       });
 
-      this.options.headers = resolveHeaders({ headers });
+      this.options.headers = resolveHeaders(headers);
       this.options.reverseProxyUrl = baseURL ?? null;
       this.langchainProxy = extractBaseURL(this.options.reverseProxyUrl);
       this.apiKey = azureOptions.azureOpenAIApiKey;
@@ -1106,7 +1118,6 @@ ${convo}
   }
 
   async chatCompletion({ payload, onProgress, abortController = null }) {
-    const appConfig = this.options.req?.config;
     let error = null;
     let intermediateReply = [];
     const errorCallback = (err) => (error = err);
@@ -1152,7 +1163,8 @@ ${convo}
         opts.fetchOptions.agent = new HttpsProxyAgent(this.options.proxy);
       }
 
-      const azureConfig = appConfig?.endpoints?.[EModelEndpoint.azureOpenAI];
+      /** @type {TAzureConfig | undefined} */
+      const azureConfig = this.options?.req?.app?.locals?.[EModelEndpoint.azureOpenAI];
 
       if (
         (this.azure && this.isVisionModel && azureConfig) ||
@@ -1169,7 +1181,7 @@ ${convo}
           modelGroupMap,
           groupMap,
         });
-        opts.defaultHeaders = resolveHeaders({ headers });
+        opts.defaultHeaders = resolveHeaders(headers);
         this.langchainProxy = extractBaseURL(baseURL);
         this.apiKey = azureOptions.azureOpenAIApiKey;
 

api/app/clients/callbacks/createStartHandler.js

@@ -0,0 +1,95 @@
+const { promptTokensEstimate } = require('openai-chat-tokens');
+const { EModelEndpoint, supportsBalanceCheck } = require('librechat-data-provider');
+const { formatFromLangChain } = require('~/app/clients/prompts');
+const { getBalanceConfig } = require('~/server/services/Config');
+const { checkBalance } = require('~/models/balanceMethods');
+const { logger } = require('~/config');
+
+const createStartHandler = ({
+  context,
+  conversationId,
+  tokenBuffer = 0,
+  initialMessageCount,
+  manager,
+}) => {
+  return async (_llm, _messages, runId, parentRunId, extraParams) => {
+    const { invocation_params } = extraParams;
+    const { model, functions, function_call } = invocation_params;
+    const messages = _messages[0].map(formatFromLangChain);
+
+    logger.debug(`[createStartHandler] handleChatModelStart: ${context}`, {
+      model,
+      function_call,
+    });
+
+    if (context !== 'title') {
+      logger.debug(`[createStartHandler] handleChatModelStart: ${context}`, {
+        functions,
+      });
+    }
+
+    const payload = { messages };
+    let prelimPromptTokens = 1;
+
+    if (functions) {
+      payload.functions = functions;
+      prelimPromptTokens += 2;
+    }
+
+    if (function_call) {
+      payload.function_call = function_call;
+      prelimPromptTokens -= 5;
+    }
+
+    prelimPromptTokens += promptTokensEstimate(payload);
+    logger.debug('[createStartHandler]', {
+      prelimPromptTokens,
+      tokenBuffer,
+    });
+    prelimPromptTokens += tokenBuffer;
+
+    try {
+      const balance = await getBalanceConfig();
+      if (balance?.enabled && supportsBalanceCheck[EModelEndpoint.openAI]) {
+        const generations =
+          initialMessageCount && messages.length > initialMessageCount
+            ? messages.slice(initialMessageCount)
+            : null;
+        await checkBalance({
+          req: manager.req,
+          res: manager.res,
+          txData: {
+            user: manager.user,
+            tokenType: 'prompt',
+            amount: prelimPromptTokens,
+            debug: manager.debug,
+            generations,
+            model,
+            endpoint: EModelEndpoint.openAI,
+          },
+        });
+      }
+    } catch (err) {
+      logger.error(`[createStartHandler][${context}] checkBalance error`, err);
+      manager.abortController.abort();
+      if (context === 'summary' || context === 'plugins') {
+        manager.addRun(runId, { conversationId, error: err.message });
+        throw new Error(err);
+      }
+      return;
+    }
+
+    manager.addRun(runId, {
+      model,
+      messages,
+      functions,
+      function_call,
+      runId,
+      parentRunId,
+      conversationId,
+      prelimPromptTokens,
+    });
+  };
+};
+
+module.exports = createStartHandler;

api/app/clients/callbacks/index.js

@@ -0,0 +1,5 @@
+const createStartHandler = require('./createStartHandler');
+
+module.exports = {
+  createStartHandler,
+};

api/app/clients/llm/RunManager.js

@@ -0,0 +1,105 @@
+const { createStartHandler } = require('~/app/clients/callbacks');
+const { spendTokens } = require('~/models/spendTokens');
+const { logger } = require('~/config');
+
+class RunManager {
+  constructor(fields) {
+    const { req, res, abortController, debug } = fields;
+    this.abortController = abortController;
+    this.user = req.user.id;
+    this.req = req;
+    this.res = res;
+    this.debug = debug;
+    this.runs = new Map();
+    this.convos = new Map();
+  }
+
+  addRun(runId, runData) {
+    if (!this.runs.has(runId)) {
+      this.runs.set(runId, runData);
+      if (runData.conversationId) {
+        this.convos.set(runData.conversationId, runId);
+      }
+      return runData;
+    } else {
+      const existingData = this.runs.get(runId);
+      const update = { ...existingData, ...runData };
+      this.runs.set(runId, update);
+      if (update.conversationId) {
+        this.convos.set(update.conversationId, runId);
+      }
+      return update;
+    }
+  }
+
+  removeRun(runId) {
+    if (this.runs.has(runId)) {
+      this.runs.delete(runId);
+    } else {
+      logger.error(`[api/app/clients/llm/RunManager] Run with ID ${runId} does not exist.`);
+    }
+  }
+
+  getAllRuns() {
+    return Array.from(this.runs.values());
+  }
+
+  getRunById(runId) {
+    return this.runs.get(runId);
+  }
+
+  getRunByConversationId(conversationId) {
+    const runId = this.convos.get(conversationId);
+    return { run: this.runs.get(runId), runId };
+  }
+
+  createCallbacks(metadata) {
+    return [
+      {
+        handleChatModelStart: createStartHandler({ ...metadata, manager: this }),
+        handleLLMEnd: async (output, runId, _parentRunId) => {
+          const { llmOutput, ..._output } = output;
+          logger.debug(`[RunManager] handleLLMEnd: ${JSON.stringify(metadata)}`, {
+            runId,
+            _parentRunId,
+            llmOutput,
+          });
+
+          if (metadata.context !== 'title') {
+            logger.debug('[RunManager] handleLLMEnd:', {
+              output: _output,
+            });
+          }
+
+          const { tokenUsage } = output.llmOutput;
+          const run = this.getRunById(runId);
+          this.removeRun(runId);
+
+          const txData = {
+            user: this.user,
+            model: run?.model ?? 'gpt-3.5-turbo',
+            ...metadata,
+          };
+
+          await spendTokens(txData, tokenUsage);
+        },
+        handleLLMError: async (err) => {
+          logger.error(`[RunManager] handleLLMError: ${JSON.stringify(metadata)}`, err);
+          if (metadata.context === 'title') {
+            return;
+          } else if (metadata.context === 'plugins') {
+            throw new Error(err);
+          }
+          const { conversationId } = metadata;
+          const { run } = this.getRunByConversationId(conversationId);
+          if (run && run.error) {
+            const { error } = run;
+            throw new Error(error);
+          }
+        },
+      },
+    ];
+  }
+}
+
+module.exports = RunManager;

api/app/clients/llm/index.js

@@ -1,7 +1,9 @@
 const createLLM = require('./createLLM');
+const RunManager = require('./RunManager');
 const createCoherePayload = require('./createCoherePayload');
 
 module.exports = {
   createLLM,
+  RunManager,
   createCoherePayload,
 };

api/app/clients/prompts/createContextHandlers.js

@@ -1,6 +1,7 @@
 const axios = require('axios');
+const { isEnabled } = require('@librechat/api');
 const { logger } = require('@librechat/data-schemas');
-const { isEnabled, generateShortLivedToken } = require('@librechat/api');
+const { generateShortLivedToken } = require('~/server/services/AuthService');
 
 const footer = `Use the context as your learned knowledge to better answer the user.
 

api/app/clients/specs/AnthropicClient.test.js

@@ -245,7 +245,7 @@ describe('AnthropicClient', () => {
     });
 
     describe('Claude 4 model headers', () => {
-      it('should add "prompt-caching" and "context-1m" beta headers for claude-sonnet-4 model', () => {
+      it('should add "prompt-caching" beta header for claude-sonnet-4 model', () => {
         const client = new AnthropicClient('test-api-key');
         const modelOptions = {
           model: 'claude-sonnet-4-20250514',
@@ -255,30 +255,10 @@ describe('AnthropicClient', () => {
         expect(anthropicClient._options.defaultHeaders).toBeDefined();
         expect(anthropicClient._options.defaultHeaders).toHaveProperty('anthropic-beta');
         expect(anthropicClient._options.defaultHeaders['anthropic-beta']).toBe(
-          'prompt-caching-2024-07-31,context-1m-2025-08-07',
+          'prompt-caching-2024-07-31',
         );
       });
 
-      it('should add "prompt-caching" and "context-1m" beta headers for claude-sonnet-4 model formats', () => {
-        const client = new AnthropicClient('test-api-key');
-        const modelVariations = [
-          'claude-sonnet-4-20250514',
-          'claude-sonnet-4-latest',
-          'anthropic/claude-sonnet-4-20250514',
-        ];
-
-        modelVariations.forEach((model) => {
-          const modelOptions = { model };
-          client.setOptions({ modelOptions, promptCache: true });
-          const anthropicClient = client.getClient(modelOptions);
-          expect(anthropicClient._options.defaultHeaders).toBeDefined();
-          expect(anthropicClient._options.defaultHeaders).toHaveProperty('anthropic-beta');
-          expect(anthropicClient._options.defaultHeaders['anthropic-beta']).toBe(
-            'prompt-caching-2024-07-31,context-1m-2025-08-07',
-          );
-        });
-      });
-
       it('should add "prompt-caching" beta header for claude-opus-4 model', () => {
         const client = new AnthropicClient('test-api-key');
         const modelOptions = {
@@ -293,6 +273,20 @@ describe('AnthropicClient', () => {
         );
       });
 
+      it('should add "prompt-caching" beta header for claude-4-sonnet model', () => {
+        const client = new AnthropicClient('test-api-key');
+        const modelOptions = {
+          model: 'claude-4-sonnet-20250514',
+        };
+        client.setOptions({ modelOptions, promptCache: true });
+        const anthropicClient = client.getClient(modelOptions);
+        expect(anthropicClient._options.defaultHeaders).toBeDefined();
+        expect(anthropicClient._options.defaultHeaders).toHaveProperty('anthropic-beta');
+        expect(anthropicClient._options.defaultHeaders['anthropic-beta']).toBe(
+          'prompt-caching-2024-07-31',
+        );
+      });
+
       it('should add "prompt-caching" beta header for claude-4-opus model', () => {
         const client = new AnthropicClient('test-api-key');
         const modelOptions = {

api/app/clients/specs/BaseClient.test.js

@@ -2,14 +2,6 @@ const { Constants } = require('librechat-data-provider');
 const { initializeFakeClient } = require('./FakeClient');
 
 jest.mock('~/db/connect');
-jest.mock('~/server/services/Config', () => ({
-  getAppConfig: jest.fn().mockResolvedValue({
-    // Default app config for tests
-    paths: { uploads: '/tmp' },
-    fileStrategy: 'local',
-    memory: { disabled: false },
-  }),
-}));
 jest.mock('~/models', () => ({
   User: jest.fn(),
   Key: jest.fn(),
@@ -587,8 +579,6 @@ describe('BaseClient', () => {
       expect(onStart).toHaveBeenCalledWith(
         expect.objectContaining({ text: 'Hello, world!' }),
         expect.any(String),
-        /** `isNewConvo` */
-        true,
       );
     });
 

api/app/clients/tools/index.js

@@ -1,4 +1,4 @@
-const manifest = require('./manifest');
+const availableTools = require('./manifest.json');
 
 // Structured Tools
 const DALLE3 = require('./structured/DALLE3');
@@ -13,8 +13,23 @@ const TraversaalSearch = require('./structured/TraversaalSearch');
 const createOpenAIImageTools = require('./structured/OpenAIImageTools');
 const TavilySearchResults = require('./structured/TavilySearchResults');
 
+/** @type {Record<string, TPlugin | undefined>} */
+const manifestToolMap = {};
+
+/** @type {Array<TPlugin>} */
+const toolkits = [];
+
+availableTools.forEach((tool) => {
+  manifestToolMap[tool.pluginKey] = tool;
+  if (tool.toolkit === true) {
+    toolkits.push(tool);
+  }
+});
+
 module.exports = {
-  ...manifest,
+  toolkits,
+  availableTools,
+  manifestToolMap,
   // Structured Tools
   DALLE3,
   FluxAPI,

api/app/clients/tools/manifest.js

@@ -1,20 +0,0 @@
-const availableTools = require('./manifest.json');
-
-/** @type {Record<string, TPlugin | undefined>} */
-const manifestToolMap = {};
-
-/** @type {Array<TPlugin>} */
-const toolkits = [];
-
-availableTools.forEach((tool) => {
-  manifestToolMap[tool.pluginKey] = tool;
-  if (tool.toolkit === true) {
-    toolkits.push(tool);
-  }
-});
-
-module.exports = {
-  toolkits,
-  availableTools,
-  manifestToolMap,
-};

api/app/clients/tools/manifest.json

@@ -49,7 +49,7 @@
     "pluginKey": "image_gen_oai",
     "toolkit": true,
     "description": "Image Generation and Editing using OpenAI's latest state-of-the-art models",
-    "icon": "assets/image_gen_oai.png",
+    "icon": "/assets/image_gen_oai.png",
     "authConfig": [
       {
         "authField": "IMAGE_GEN_OAI_API_KEY",
@@ -75,7 +75,7 @@
     "name": "Browser",
     "pluginKey": "web-browser",
     "description": "Scrape and summarize webpage data",
-    "icon": "assets/web-browser.svg",
+    "icon": "/assets/web-browser.svg",
     "authConfig": [
       {
         "authField": "OPENAI_API_KEY",
@@ -170,7 +170,7 @@
     "name": "OpenWeather",
     "pluginKey": "open_weather",
     "description": "Get weather forecasts and historical data from the OpenWeather API",
-    "icon": "assets/openweather.png",
+    "icon": "/assets/openweather.png",
     "authConfig": [
       {
         "authField": "OPENWEATHER_API_KEY",

api/app/clients/tools/structured/DALLE3.js

@@ -5,10 +5,10 @@ const fetch = require('node-fetch');
 const { v4: uuidv4 } = require('uuid');
 const { ProxyAgent } = require('undici');
 const { Tool } = require('@langchain/core/tools');
-const { logger } = require('@librechat/data-schemas');
-const { getImageBasename } = require('@librechat/api');
 const { FileContext, ContentTypes } = require('librechat-data-provider');
+const { getImageBasename } = require('~/server/services/Files/images');
 const extractBaseURL = require('~/utils/extractBaseURL');
+const logger = require('~/config/winston');
 
 const displayMessage =
   "DALL-E displayed an image. All generated images are already plainly visible, so don't repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.";

api/app/clients/tools/structured/OpenAIImageTools.js

@@ -1,16 +1,69 @@
+const { z } = require('zod');
 const axios = require('axios');
 const { v4 } = require('uuid');
 const OpenAI = require('openai');
 const FormData = require('form-data');
 const { ProxyAgent } = require('undici');
 const { tool } = require('@langchain/core/tools');
+const { logAxiosError } = require('@librechat/api');
 const { logger } = require('@librechat/data-schemas');
-const { logAxiosError, oaiToolkit } = require('@librechat/api');
 const { ContentTypes, EImageOutputType } = require('librechat-data-provider');
 const { getStrategyFunctions } = require('~/server/services/Files/strategies');
-const extractBaseURL = require('~/utils/extractBaseURL');
+const { extractBaseURL } = require('~/utils');
 const { getFiles } = require('~/models/File');
 
+/** Default descriptions for image generation tool  */
+const DEFAULT_IMAGE_GEN_DESCRIPTION = `
+Generates high-quality, original images based solely on text, not using any uploaded reference images.
+
+When to use \`image_gen_oai\`:
+- To create entirely new images from detailed text descriptions that do NOT reference any image files.
+
+When NOT to use \`image_gen_oai\`:
+- If the user has uploaded any images and requests modifications, enhancements, or remixing based on those uploads → use \`image_edit_oai\` instead.
+
+Generated image IDs will be returned in the response, so you can refer to them in future requests made to \`image_edit_oai\`.
+`.trim();
+
+/** Default description for image editing tool  */
+const DEFAULT_IMAGE_EDIT_DESCRIPTION =
+  `Generates high-quality, original images based on text and one or more uploaded/referenced images.
+
+When to use \`image_edit_oai\`:
+- The user wants to modify, extend, or remix one **or more** uploaded images, either:
+- Previously generated, or in the current request (both to be included in the \`image_ids\` array).
+- Always when the user refers to uploaded images for editing, enhancement, remixing, style transfer, or combining elements.
+- Any current or existing images are to be used as visual guides.
+- If there are any files in the current request, they are more likely than not expected as references for image edit requests.
+
+When NOT to use \`image_edit_oai\`:
+- Brand-new generations that do not rely on an existing image → use \`image_gen_oai\` instead.
+
+Both generated and referenced image IDs will be returned in the response, so you can refer to them in future requests made to \`image_edit_oai\`.
+`.trim();
+
+/** Default prompt descriptions  */
+const DEFAULT_IMAGE_GEN_PROMPT_DESCRIPTION = `Describe the image you want in detail. 
+      Be highly specific—break your idea into layers: 
+      (1) main concept and subject,
+      (2) composition and position,
+      (3) lighting and mood,
+      (4) style, medium, or camera details,
+      (5) important features (age, expression, clothing, etc.),
+      (6) background.
+      Use positive, descriptive language and specify what should be included, not what to avoid. 
+      List number and characteristics of people/objects, and mention style/technical requirements (e.g., "DSLR photo, 85mm lens, golden hour").
+      Do not reference any uploaded images—use for new image creation from text only.`;
+
+const DEFAULT_IMAGE_EDIT_PROMPT_DESCRIPTION = `Describe the changes, enhancements, or new ideas to apply to the uploaded image(s).
+      Be highly specific—break your request into layers: 
+      (1) main concept or transformation,
+      (2) specific edits/replacements or composition guidance,
+      (3) desired style, mood, or technique,
+      (4) features/items to keep, change, or add (such as objects, people, clothing, lighting, etc.).
+      Use positive, descriptive language and clarify what should be included or changed, not what to avoid.
+      Always base this prompt on the most recently uploaded reference images.`;
+
 const displayMessage =
   "The tool displayed an image. All generated images are already plainly visible, so don't repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.";
 
@@ -38,6 +91,22 @@ function returnValue(value) {
   return value;
 }
 
+const getImageGenDescription = () => {
+  return process.env.IMAGE_GEN_OAI_DESCRIPTION || DEFAULT_IMAGE_GEN_DESCRIPTION;
+};
+
+const getImageEditDescription = () => {
+  return process.env.IMAGE_EDIT_OAI_DESCRIPTION || DEFAULT_IMAGE_EDIT_DESCRIPTION;
+};
+
+const getImageGenPromptDescription = () => {
+  return process.env.IMAGE_GEN_OAI_PROMPT_DESCRIPTION || DEFAULT_IMAGE_GEN_PROMPT_DESCRIPTION;
+};
+
+const getImageEditPromptDescription = () => {
+  return process.env.IMAGE_EDIT_OAI_PROMPT_DESCRIPTION || DEFAULT_IMAGE_EDIT_PROMPT_DESCRIPTION;
+};
+
 function createAbortHandler() {
   return function () {
     logger.debug('[ImageGenOAI] Image generation aborted');
@@ -52,9 +121,7 @@ function createAbortHandler() {
  * @param {string} fields.IMAGE_GEN_OAI_API_KEY - The OpenAI API key
  * @param {boolean} [fields.override] - Whether to override the API key check, necessary for app initialization
  * @param {MongoFile[]} [fields.imageFiles] - The images to be used for editing
- * @param {string} [fields.imageOutputType] - The image output type configuration
- * @param {string} [fields.fileStrategy] - The file storage strategy
- * @returns {Array<ReturnType<tool>>} - Array of image tools
+ * @returns {Array} - Array of image tools
  */
 function createOpenAIImageTools(fields = {}) {
   /** @type {boolean} Used to initialize the Tool without necessary variables. */
@@ -64,8 +131,8 @@ function createOpenAIImageTools(fields = {}) {
     throw new Error('This tool is only available for agents.');
   }
   const { req } = fields;
-  const imageOutputType = fields.imageOutputType || EImageOutputType.PNG;
-  const appFileStrategy = fields.fileStrategy;
+  const imageOutputType = req?.app.locals.imageOutputType || EImageOutputType.PNG;
+  const appFileStrategy = req?.app.locals.fileStrategy;
 
   const getApiKey = () => {
     const apiKey = process.env.IMAGE_GEN_OAI_API_KEY ?? '';
@@ -218,7 +285,46 @@ Error Message: ${error.message}`);
       ];
       return [response, { content, file_ids }];
     },
-    oaiToolkit.image_gen_oai,
+    {
+      name: 'image_gen_oai',
+      description: getImageGenDescription(),
+      schema: z.object({
+        prompt: z.string().max(32000).describe(getImageGenPromptDescription()),
+        background: z
+          .enum(['transparent', 'opaque', 'auto'])
+          .optional()
+          .describe(
+            'Sets transparency for the background. Must be one of transparent, opaque or auto (default). When transparent, the output format should be png or webp.',
+          ),
+        /*
+        n: z
+          .number()
+          .int()
+          .min(1)
+          .max(10)
+          .optional()
+          .describe('The number of images to generate. Must be between 1 and 10.'),
+        output_compression: z
+          .number()
+          .int()
+          .min(0)
+          .max(100)
+          .optional()
+          .describe('The compression level (0-100%) for webp or jpeg formats. Defaults to 100.'),
+           */
+        quality: z
+          .enum(['auto', 'high', 'medium', 'low'])
+          .optional()
+          .describe('The quality of the image. One of auto (default), high, medium, or low.'),
+        size: z
+          .enum(['auto', '1024x1024', '1536x1024', '1024x1536'])
+          .optional()
+          .describe(
+            'The size of the generated image. One of 1024x1024, 1536x1024 (landscape), 1024x1536 (portrait), or auto (default).',
+          ),
+      }),
+      responseFormat: 'content_and_artifact',
+    },
   );
 
   /**
@@ -411,7 +517,48 @@ Error Message: ${error.message || 'Unknown error'}`);
         }
       }
     },
-    oaiToolkit.image_edit_oai,
+    {
+      name: 'image_edit_oai',
+      description: getImageEditDescription(),
+      schema: z.object({
+        image_ids: z
+          .array(z.string())
+          .min(1)
+          .describe(
+            `
+IDs (image ID strings) of previously generated or uploaded images that should guide the edit.
+
+Guidelines:
+- If the user's request depends on any prior image(s), copy their image IDs into the \`image_ids\` array (in the same order the user refers to them).  
+- Never invent or hallucinate IDs; only use IDs that are still visible in the conversation context.
+- If no earlier image is relevant, omit the field entirely.
+`.trim(),
+          ),
+        prompt: z.string().max(32000).describe(getImageEditPromptDescription()),
+        /*
+        n: z
+          .number()
+          .int()
+          .min(1)
+          .max(10)
+          .optional()
+          .describe('The number of images to generate. Must be between 1 and 10. Defaults to 1.'),
+        */
+        quality: z
+          .enum(['auto', 'high', 'medium', 'low'])
+          .optional()
+          .describe(
+            'The quality of the image. One of auto (default), high, medium, or low. High/medium/low only supported for gpt-image-1.',
+          ),
+        size: z
+          .enum(['auto', '1024x1024', '1536x1024', '1024x1536', '256x256', '512x512'])
+          .optional()
+          .describe(
+            'The size of the generated images. For gpt-image-1: auto (default), 1024x1024, 1536x1024, 1024x1536. For dall-e-2: 256x256, 512x512, 1024x1024.',
+          ),
+      }),
+      responseFormat: 'content_and_artifact',
+    },
   );
 
   return [imageGenTool, imageEditTool];

api/app/clients/tools/structured/StableDiffusion.js

@@ -11,14 +11,14 @@ const paths = require('~/config/paths');
 const { logger } = require('~/config');
 
 const displayMessage =
-  "Stable Diffusion displayed an image. All generated images are already plainly visible, so don't repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.";
+  'Stable Diffusion displayed an image. All generated images are already plainly visible, so don\'t repeat the descriptions in detail. Do not list download links as they are available in the UI already. The user may download the images by clicking on them, but do not mention anything about downloading to the user.';
 
 class StableDiffusionAPI extends Tool {
   constructor(fields) {
     super();
     /** @type {string} User ID */
     this.userId = fields.userId;
-    /** @type {ServerRequest | undefined} Express Request object, only provided by ToolService */
+    /** @type {Express.Request | undefined} Express Request object, only provided by ToolService */
     this.req = fields.req;
     /** @type {boolean} Used to initialize the Tool without necessary variables. */
     this.override = fields.override ?? false;
@@ -44,7 +44,7 @@ class StableDiffusionAPI extends Tool {
 // "negative_prompt":"semi-realistic, cgi, 3d, render, sketch, cartoon, drawing, anime, out of frame, low quality, ugly, mutation, deformed"
 // - Generate images only once per human query unless explicitly requested by the user`;
     this.description =
-      "You can generate images using text with 'stable-diffusion'. This tool is exclusively for visual content.";
+      'You can generate images using text with \'stable-diffusion\'. This tool is exclusively for visual content.';
     this.schema = z.object({
       prompt: z
         .string()

api/app/clients/tools/structured/YouTube.js

@@ -1,9 +1,9 @@
-const { ytToolkit } = require('@librechat/api');
+const { z } = require('zod');
 const { tool } = require('@langchain/core/tools');
 const { youtube } = require('@googleapis/youtube');
-const { logger } = require('@librechat/data-schemas');
 const { YoutubeTranscript } = require('youtube-transcript');
 const { getApiKey } = require('./credentials');
+const { logger } = require('~/config');
 
 function extractVideoId(url) {
   const rawIdRegex = /^[a-zA-Z0-9_-]{11}$/;
@@ -29,7 +29,7 @@ function parseTranscript(transcriptResponse) {
     .map((entry) => entry.text.trim())
     .filter((text) => text)
     .join(' ')
-    .replaceAll(''', "'");
+    .replaceAll(''', '\'');
 }
 
 function createYouTubeTools(fields = {}) {
@@ -42,94 +42,160 @@ function createYouTubeTools(fields = {}) {
     auth: apiKey,
   });
 
-  const searchTool = tool(async ({ query, maxResults = 5 }) => {
-    const response = await youtubeClient.search.list({
-      part: 'snippet',
-      q: query,
-      type: 'video',
-      maxResults: maxResults || 5,
-    });
-    const result = response.data.items.map((item) => ({
-      title: item.snippet.title,
-      description: item.snippet.description,
-      url: `https://www.youtube.com/watch?v=${item.id.videoId}`,
-    }));
-    return JSON.stringify(result, null, 2);
-  }, ytToolkit.youtube_search);
+  const searchTool = tool(
+    async ({ query, maxResults = 5 }) => {
+      const response = await youtubeClient.search.list({
+        part: 'snippet',
+        q: query,
+        type: 'video',
+        maxResults: maxResults || 5,
+      });
+      const result = response.data.items.map((item) => ({
+        title: item.snippet.title,
+        description: item.snippet.description,
+        url: `https://www.youtube.com/watch?v=${item.id.videoId}`,
+      }));
+      return JSON.stringify(result, null, 2);
+    },
+    {
+      name: 'youtube_search',
+      description: `Search for YouTube videos by keyword or phrase.
+- Required: query (search terms to find videos)
+- Optional: maxResults (number of videos to return, 1-50, default: 5)
+- Returns: List of videos with titles, descriptions, and URLs
+- Use for: Finding specific videos, exploring content, research
+Example: query="cooking pasta tutorials" maxResults=3`,
+      schema: z.object({
+        query: z.string().describe('Search query terms'),
+        maxResults: z.number().int().min(1).max(50).optional().describe('Number of results (1-50)'),
+      }),
+    },
+  );
 
-  const infoTool = tool(async ({ url }) => {
-    const videoId = extractVideoId(url);
-    if (!videoId) {
-      throw new Error('Invalid YouTube URL or video ID');
-    }
+  const infoTool = tool(
+    async ({ url }) => {
+      const videoId = extractVideoId(url);
+      if (!videoId) {
+        throw new Error('Invalid YouTube URL or video ID');
+      }
 
-    const response = await youtubeClient.videos.list({
-      part: 'snippet,statistics',
-      id: videoId,
-    });
+      const response = await youtubeClient.videos.list({
+        part: 'snippet,statistics',
+        id: videoId,
+      });
 
-    if (!response.data.items?.length) {
-      throw new Error('Video not found');
-    }
-    const video = response.data.items[0];
+      if (!response.data.items?.length) {
+        throw new Error('Video not found');
+      }
+      const video = response.data.items[0];
 
-    const result = {
-      title: video.snippet.title,
-      description: video.snippet.description,
-      views: video.statistics.viewCount,
-      likes: video.statistics.likeCount,
-      comments: video.statistics.commentCount,
-    };
-    return JSON.stringify(result, null, 2);
-  }, ytToolkit.youtube_info);
+      const result = {
+        title: video.snippet.title,
+        description: video.snippet.description,
+        views: video.statistics.viewCount,
+        likes: video.statistics.likeCount,
+        comments: video.statistics.commentCount,
+      };
+      return JSON.stringify(result, null, 2);
+    },
+    {
+      name: 'youtube_info',
+      description: `Get detailed metadata and statistics for a specific YouTube video.
+- Required: url (full YouTube URL or video ID)
+- Returns: Video title, description, view count, like count, comment count
+- Use for: Getting video metrics and basic metadata
+- DO NOT USE FOR VIDEO SUMMARIES, USE TRANSCRIPTS FOR COMPREHENSIVE ANALYSIS
+- Accepts both full URLs and video IDs
+Example: url="https://youtube.com/watch?v=abc123" or url="abc123"`,
+      schema: z.object({
+        url: z.string().describe('YouTube video URL or ID'),
+      }),
+    },
+  );
 
-  const commentsTool = tool(async ({ url, maxResults = 10 }) => {
-    const videoId = extractVideoId(url);
-    if (!videoId) {
-      throw new Error('Invalid YouTube URL or video ID');
-    }
+  const commentsTool = tool(
+    async ({ url, maxResults = 10 }) => {
+      const videoId = extractVideoId(url);
+      if (!videoId) {
+        throw new Error('Invalid YouTube URL or video ID');
+      }
 
-    const response = await youtubeClient.commentThreads.list({
-      part: 'snippet',
-      videoId,
-      maxResults: maxResults || 10,
-    });
+      const response = await youtubeClient.commentThreads.list({
+        part: 'snippet',
+        videoId,
+        maxResults: maxResults || 10,
+      });
 
-    const result = response.data.items.map((item) => ({
-      author: item.snippet.topLevelComment.snippet.authorDisplayName,
-      text: item.snippet.topLevelComment.snippet.textDisplay,
-      likes: item.snippet.topLevelComment.snippet.likeCount,
-    }));
-    return JSON.stringify(result, null, 2);
-  }, ytToolkit.youtube_comments);
+      const result = response.data.items.map((item) => ({
+        author: item.snippet.topLevelComment.snippet.authorDisplayName,
+        text: item.snippet.topLevelComment.snippet.textDisplay,
+        likes: item.snippet.topLevelComment.snippet.likeCount,
+      }));
+      return JSON.stringify(result, null, 2);
+    },
+    {
+      name: 'youtube_comments',
+      description: `Retrieve top-level comments from a YouTube video.
+- Required: url (full YouTube URL or video ID)
+- Optional: maxResults (number of comments, 1-50, default: 10)
+- Returns: Comment text, author names, like counts
+- Use for: Sentiment analysis, audience feedback, engagement review
+Example: url="abc123" maxResults=20`,
+      schema: z.object({
+        url: z.string().describe('YouTube video URL or ID'),
+        maxResults: z
+          .number()
+          .int()
+          .min(1)
+          .max(50)
+          .optional()
+          .describe('Number of comments to retrieve'),
+      }),
+    },
+  );
 
-  const transcriptTool = tool(async ({ url }) => {
-    const videoId = extractVideoId(url);
-    if (!videoId) {
-      throw new Error('Invalid YouTube URL or video ID');
-    }
-
-    try {
-      try {
-        const transcript = await YoutubeTranscript.fetchTranscript(videoId, { lang: 'en' });
-        return parseTranscript(transcript);
-      } catch (e) {
-        logger.error(e);
+  const transcriptTool = tool(
+    async ({ url }) => {
+      const videoId = extractVideoId(url);
+      if (!videoId) {
+        throw new Error('Invalid YouTube URL or video ID');
       }
 
       try {
-        const transcript = await YoutubeTranscript.fetchTranscript(videoId, { lang: 'de' });
-        return parseTranscript(transcript);
-      } catch (e) {
-        logger.error(e);
-      }
+        try {
+          const transcript = await YoutubeTranscript.fetchTranscript(videoId, { lang: 'en' });
+          return parseTranscript(transcript);
+        } catch (e) {
+          logger.error(e);
+        }
 
-      const transcript = await YoutubeTranscript.fetchTranscript(videoId);
-      return parseTranscript(transcript);
-    } catch (error) {
-      throw new Error(`Failed to fetch transcript: ${error.message}`);
-    }
-  }, ytToolkit.youtube_transcript);
+        try {
+          const transcript = await YoutubeTranscript.fetchTranscript(videoId, { lang: 'de' });
+          return parseTranscript(transcript);
+        } catch (e) {
+          logger.error(e);
+        }
+
+        const transcript = await YoutubeTranscript.fetchTranscript(videoId);
+        return parseTranscript(transcript);
+      } catch (error) {
+        throw new Error(`Failed to fetch transcript: ${error.message}`);
+      }
+    },
+    {
+      name: 'youtube_transcript',
+      description: `Fetch and parse the transcript/captions of a YouTube video.
+- Required: url (full YouTube URL or video ID)
+- Returns: Full video transcript as plain text
+- Use for: Content analysis, summarization, translation reference
+- This is the "Go-to" tool for analyzing actual video content
+- Attempts to fetch English first, then German, then any available language
+Example: url="https://youtube.com/watch?v=abc123"`,
+      schema: z.object({
+        url: z.string().describe('YouTube video URL or ID'),
+      }),
+    },
+  );
 
   return [searchTool, infoTool, commentsTool, transcriptTool];
 }

api/app/clients/tools/structured/specs/DALLE3-proxy.spec.js

@@ -1,9 +1,43 @@
 const DALLE3 = require('../DALLE3');
 const { ProxyAgent } = require('undici');
 
-jest.mock('tiktoken');
 const processFileURL = jest.fn();
 
+jest.mock('~/server/services/Files/images', () => ({
+  getImageBasename: jest.fn().mockImplementation((url) => {
+    const parts = url.split('/');
+    const lastPart = parts.pop();
+    const imageExtensionRegex = /\.(jpg|jpeg|png|gif|bmp|tiff|svg)$/i;
+    if (imageExtensionRegex.test(lastPart)) {
+      return lastPart;
+    }
+    return '';
+  }),
+}));
+
+jest.mock('fs', () => {
+  return {
+    existsSync: jest.fn(),
+    mkdirSync: jest.fn(),
+    promises: {
+      writeFile: jest.fn(),
+      readFile: jest.fn(),
+      unlink: jest.fn(),
+    },
+  };
+});
+
+jest.mock('path', () => {
+  return {
+    resolve: jest.fn(),
+    join: jest.fn(),
+    relative: jest.fn(),
+    extname: jest.fn().mockImplementation((filename) => {
+      return filename.slice(filename.lastIndexOf('.'));
+    }),
+  };
+});
+
 describe('DALLE3 Proxy Configuration', () => {
   let originalEnv;
 

api/app/clients/tools/structured/specs/DALLE3.spec.js

@@ -1,8 +1,9 @@
 const OpenAI = require('openai');
-const { logger } = require('@librechat/data-schemas');
 const DALLE3 = require('../DALLE3');
+const logger = require('~/config/winston');
 
 jest.mock('openai');
+
 jest.mock('@librechat/data-schemas', () => {
   return {
     logger: {
@@ -25,6 +26,25 @@ jest.mock('tiktoken', () => {
 
 const processFileURL = jest.fn();
 
+jest.mock('~/server/services/Files/images', () => ({
+  getImageBasename: jest.fn().mockImplementation((url) => {
+    // Split the URL by '/'
+    const parts = url.split('/');
+
+    // Get the last part of the URL
+    const lastPart = parts.pop();
+
+    // Check if the last part of the URL matches the image extension regex
+    const imageExtensionRegex = /\.(jpg|jpeg|png|gif|bmp|tiff|svg)$/i;
+    if (imageExtensionRegex.test(lastPart)) {
+      return lastPart;
+    }
+
+    // If the regex test fails, return an empty string
+    return '';
+  }),
+}));
+
 const generate = jest.fn();
 OpenAI.mockImplementation(() => ({
   images: {

api/app/clients/tools/util/fileSearch.js

@@ -2,9 +2,9 @@ const { z } = require('zod');
 const axios = require('axios');
 const { tool } = require('@langchain/core/tools');
 const { logger } = require('@librechat/data-schemas');
-const { generateShortLivedToken } = require('@librechat/api');
 const { Tools, EToolResources } = require('librechat-data-provider');
 const { filterFilesByAgentAccess } = require('~/server/services/Files/permissions');
+const { generateShortLivedToken } = require('~/server/services/AuthService');
 const { getFiles } = require('~/models/File');
 
 /**

api/app/clients/tools/util/handleTools.js

@@ -3,7 +3,7 @@ const { SerpAPI } = require('@langchain/community/tools/serpapi');
 const { Calculator } = require('@langchain/community/tools/calculator');
 const { mcpToolPattern, loadWebSearchAuth } = require('@librechat/api');
 const { EnvVar, createCodeExecutionTool, createSearchTool } = require('@librechat/agents');
-const { Tools, Constants, EToolResources, replaceSpecialVars } = require('librechat-data-provider');
+const { Tools, EToolResources, replaceSpecialVars } = require('librechat-data-provider');
 const {
   availableTools,
   manifestToolMap,
@@ -24,9 +24,9 @@ const {
 const { primeFiles: primeCodeFiles } = require('~/server/services/Files/Code/process');
 const { createFileSearchTool, primeFiles: primeSearchFiles } = require('./fileSearch');
 const { getUserPluginAuthValue } = require('~/server/services/PluginService');
-const { createMCPTool, createMCPTools } = require('~/server/services/MCP');
 const { loadAuthValues } = require('~/server/services/Tools/credentials');
 const { getCachedTools } = require('~/server/services/Config');
+const { createMCPTool } = require('~/server/services/MCP');
 
 /**
  * Validates the availability and authentication of tools for a user based on environment variables or user-specific plugin authentication values.
@@ -121,37 +121,27 @@ const getAuthFields = (toolKey) => {
 
 /**
  *
- * @param {object} params
- * @param {string} params.user
- * @param {Record<string, Record<string, string>>} [object.userMCPAuthMap]
- * @param {AbortSignal} [object.signal]
- * @param {Pick<Agent, 'id' | 'provider' | 'model'>} [params.agent]
- * @param {string} [params.model]
- * @param {EModelEndpoint} [params.endpoint]
- * @param {LoadToolOptions} [params.options]
- * @param {boolean} [params.useSpecs]
- * @param {Array<string>} params.tools
- * @param {boolean} [params.functions]
- * @param {boolean} [params.returnMap]
- * @param {AppConfig['webSearch']} [params.webSearch]
- * @param {AppConfig['fileStrategy']} [params.fileStrategy]
- * @param {AppConfig['imageOutputType']} [params.imageOutputType]
+ * @param {object} object
+ * @param {string} object.user
+ * @param {Pick<Agent, 'id' | 'provider' | 'model'>} [object.agent]
+ * @param {string} [object.model]
+ * @param {EModelEndpoint} [object.endpoint]
+ * @param {LoadToolOptions} [object.options]
+ * @param {boolean} [object.useSpecs]
+ * @param {Array<string>} object.tools
+ * @param {boolean} [object.functions]
+ * @param {boolean} [object.returnMap]
  * @returns {Promise<{ loadedTools: Tool[], toolContextMap: Object<string, any> } | Record<string,Tool>>}
  */
 const loadTools = async ({
   user,
   agent,
   model,
-  signal,
   endpoint,
-  userMCPAuthMap,
   tools = [],
   options = {},
   functions = true,
   returnMap = false,
-  webSearch,
-  fileStrategy,
-  imageOutputType,
 }) => {
   const toolConstructors = {
     flux: FluxAPI,
@@ -210,8 +200,6 @@ const loadTools = async ({
         ...authValues,
         isAgent: !!agent,
         req: options.req,
-        imageOutputType,
-        fileStrategy,
         imageFiles,
       });
     },
@@ -227,7 +215,7 @@ const loadTools = async ({
   const imageGenOptions = {
     isAgent: !!agent,
     req: options.req,
-    fileStrategy,
+    fileStrategy: options.fileStrategy,
     processFileURL: options.processFileURL,
     returnMetadata: options.returnMetadata,
     uploadImageBuffer: options.uploadImageBuffer,
@@ -243,7 +231,6 @@ const loadTools = async ({
   /** @type {Record<string, string>} */
   const toolContextMap = {};
   const cachedTools = (await getCachedTools({ userId: user, includeGlobal: true })) ?? {};
-  const requestedMCPTools = {};
 
   for (const tool of tools) {
     if (tool === Tools.execute_code) {
@@ -285,10 +272,11 @@ const loadTools = async ({
       };
       continue;
     } else if (tool === Tools.web_search) {
+      const webSearchConfig = options?.req?.app?.locals?.webSearch;
       const result = await loadWebSearchAuth({
         userId: user,
         loadAuthValues,
-        webSearchConfig: webSearch,
+        webSearchConfig,
       });
       const { onSearchResults, onGetHighlights } = options?.[Tools.web_search] ?? {};
       requestedTools[tool] = async () => {
@@ -311,35 +299,14 @@ Current Date & Time: ${replaceSpecialVars({ text: '{{iso_datetime}}' })}
       };
       continue;
     } else if (tool && cachedTools && mcpToolPattern.test(tool)) {
-      const [toolName, serverName] = tool.split(Constants.mcp_delimiter);
-      if (toolName === Constants.mcp_all) {
-        const currentMCPGenerator = async (index) =>
-          createMCPTools({
-            req: options.req,
-            res: options.res,
-            index,
-            serverName,
-            userMCPAuthMap,
-            model: agent?.model ?? model,
-            provider: agent?.provider ?? endpoint,
-            signal,
-          });
-        requestedMCPTools[serverName] = [currentMCPGenerator];
-        continue;
-      }
-      const currentMCPGenerator = async (index) =>
+      requestedTools[tool] = async () =>
         createMCPTool({
-          index,
           req: options.req,
           res: options.res,
           toolKey: tool,
-          userMCPAuthMap,
           model: agent?.model ?? model,
           provider: agent?.provider ?? endpoint,
-          signal,
         });
-      requestedMCPTools[serverName] = requestedMCPTools[serverName] || [];
-      requestedMCPTools[serverName].push(currentMCPGenerator);
       continue;
     }
 
@@ -379,34 +346,6 @@ Current Date & Time: ${replaceSpecialVars({ text: '{{iso_datetime}}' })}
   }
 
   const loadedTools = (await Promise.all(toolPromises)).flatMap((plugin) => plugin || []);
-  const mcpToolPromises = [];
-  /** MCP server tools are initialized sequentially by server */
-  let index = -1;
-  for (const [serverName, generators] of Object.entries(requestedMCPTools)) {
-    index++;
-    for (const generator of generators) {
-      try {
-        if (generator && generators.length === 1) {
-          mcpToolPromises.push(
-            generator(index).catch((error) => {
-              logger.error(`Error loading ${serverName} tools:`, error);
-              return null;
-            }),
-          );
-          continue;
-        }
-        const mcpTool = await generator(index);
-        if (Array.isArray(mcpTool)) {
-          loadedTools.push(...mcpTool);
-        } else if (mcpTool) {
-          loadedTools.push(mcpTool);
-        }
-      } catch (error) {
-        logger.error(`Error loading MCP tool for server ${serverName}:`, error);
-      }
-    }
-  }
-  loadedTools.push(...(await Promise.all(mcpToolPromises)).flatMap((plugin) => plugin || []));
   return { loadedTools, toolContextMap };
 };
 

api/app/clients/tools/util/handleTools.test.js

@@ -9,27 +9,6 @@ const mockPluginService = {
 
 jest.mock('~/server/services/PluginService', () => mockPluginService);
 
-jest.mock('~/server/services/Config', () => ({
-  getAppConfig: jest.fn().mockResolvedValue({
-    // Default app config for tool tests
-    paths: { uploads: '/tmp' },
-    fileStrategy: 'local',
-    filteredTools: [],
-    includedTools: [],
-  }),
-  getCachedTools: jest.fn().mockResolvedValue({
-    // Default cached tools for tests
-    dalle: {
-      type: 'function',
-      function: {
-        name: 'dalle',
-        description: 'DALL-E image generation',
-        parameters: {},
-      },
-    },
-  }),
-}));
-
 const { BaseLLM } = require('@langchain/openai');
 const { Calculator } = require('@langchain/community/tools/calculator');
 

api/cache/cacheConfig.js

@@ -52,8 +52,7 @@ const cacheConfig = {
   REDIS_CONNECT_TIMEOUT: math(process.env.REDIS_CONNECT_TIMEOUT, 10000),
   /** Queue commands when disconnected */
   REDIS_ENABLE_OFFLINE_QUEUE: isEnabled(process.env.REDIS_ENABLE_OFFLINE_QUEUE ?? 'true'),
-  /** Enable redis cluster without the need of multiple URIs */
-  USE_REDIS_CLUSTER: isEnabled(process.env.USE_REDIS_CLUSTER ?? 'false'),
+
   CI: isEnabled(process.env.CI),
   DEBUG_MEMORY_CACHE: isEnabled(process.env.DEBUG_MEMORY_CACHE),
 

api/cache/cacheConfig.spec.js

@@ -14,7 +14,6 @@ describe('cacheConfig', () => {
     delete process.env.REDIS_KEY_PREFIX_VAR;
     delete process.env.REDIS_KEY_PREFIX;
     delete process.env.USE_REDIS;
-    delete process.env.USE_REDIS_CLUSTER;
     delete process.env.REDIS_PING_INTERVAL;
     delete process.env.FORCED_IN_MEMORY_CACHE_NAMESPACES;
 
@@ -102,38 +101,6 @@ describe('cacheConfig', () => {
     });
   });
 
-  describe('USE_REDIS_CLUSTER configuration', () => {
-    test('should default to false when USE_REDIS_CLUSTER is not set', () => {
-      const { cacheConfig } = require('./cacheConfig');
-      expect(cacheConfig.USE_REDIS_CLUSTER).toBe(false);
-    });
-
-    test('should be false when USE_REDIS_CLUSTER is set to false', () => {
-      process.env.USE_REDIS_CLUSTER = 'false';
-
-      const { cacheConfig } = require('./cacheConfig');
-      expect(cacheConfig.USE_REDIS_CLUSTER).toBe(false);
-    });
-
-    test('should be true when USE_REDIS_CLUSTER is set to true', () => {
-      process.env.USE_REDIS_CLUSTER = 'true';
-
-      const { cacheConfig } = require('./cacheConfig');
-      expect(cacheConfig.USE_REDIS_CLUSTER).toBe(true);
-    });
-
-    test('should work with USE_REDIS enabled and REDIS_URI set', () => {
-      process.env.USE_REDIS_CLUSTER = 'true';
-      process.env.USE_REDIS = 'true';
-      process.env.REDIS_URI = 'redis://localhost:6379';
-
-      const { cacheConfig } = require('./cacheConfig');
-      expect(cacheConfig.USE_REDIS_CLUSTER).toBe(true);
-      expect(cacheConfig.USE_REDIS).toBe(true);
-      expect(cacheConfig.REDIS_URI).toBe('redis://localhost:6379');
-    });
-  });
-
   describe('REDIS_CA file reading', () => {
     test('should be null when REDIS_CA is not set', () => {
       const { cacheConfig } = require('./cacheConfig');

api/cache/getLogStores.js

@@ -31,6 +31,7 @@ const namespaces = {
   [CacheKeys.SAML_SESSION]: sessionCache(CacheKeys.SAML_SESSION),
 
   [CacheKeys.ROLES]: standardCache(CacheKeys.ROLES),
+  [CacheKeys.MCP_TOOLS]: standardCache(CacheKeys.MCP_TOOLS),
   [CacheKeys.CONFIG_STORE]: standardCache(CacheKeys.CONFIG_STORE),
   [CacheKeys.STATIC_CONFIG]: standardCache(CacheKeys.STATIC_CONFIG),
   [CacheKeys.PENDING_REQ]: standardCache(CacheKeys.PENDING_REQ),

api/cache/redisClients.js

@@ -38,7 +38,7 @@ if (cacheConfig.USE_REDIS) {
       const targetError = 'READONLY';
       if (err.message.includes(targetError)) {
         logger.warn('ioredis reconnecting due to READONLY error');
-        return 2; // Return retry delay instead of boolean
+        return true;
       }
       return false;
     },
@@ -48,29 +48,26 @@ if (cacheConfig.USE_REDIS) {
   };
 
   ioredisClient =
-    urls.length === 1 && !cacheConfig.USE_REDIS_CLUSTER
+    urls.length === 1
       ? new IoRedis(cacheConfig.REDIS_URI, redisOptions)
-      : new IoRedis.Cluster(
-          urls.map((url) => ({ host: url.hostname, port: parseInt(url.port, 10) || 6379 })),
-          {
-            redisOptions,
-            clusterRetryStrategy: (times) => {
-              if (
-                cacheConfig.REDIS_RETRY_MAX_ATTEMPTS > 0 &&
-                times > cacheConfig.REDIS_RETRY_MAX_ATTEMPTS
-              ) {
-                logger.error(
-                  `ioredis cluster giving up after ${cacheConfig.REDIS_RETRY_MAX_ATTEMPTS} reconnection attempts`,
-                );
-                return null;
-              }
-              const delay = Math.min(times * 100, cacheConfig.REDIS_RETRY_MAX_DELAY);
-              logger.info(`ioredis cluster reconnecting... attempt ${times}, delay ${delay}ms`);
-              return delay;
-            },
-            enableOfflineQueue: cacheConfig.REDIS_ENABLE_OFFLINE_QUEUE,
+      : new IoRedis.Cluster(cacheConfig.REDIS_URI, {
+          redisOptions,
+          clusterRetryStrategy: (times) => {
+            if (
+              cacheConfig.REDIS_RETRY_MAX_ATTEMPTS > 0 &&
+              times > cacheConfig.REDIS_RETRY_MAX_ATTEMPTS
+            ) {
+              logger.error(
+                `ioredis cluster giving up after ${cacheConfig.REDIS_RETRY_MAX_ATTEMPTS} reconnection attempts`,
+              );
+              return null;
+            }
+            const delay = Math.min(times * 100, cacheConfig.REDIS_RETRY_MAX_DELAY);
+            logger.info(`ioredis cluster reconnecting... attempt ${times}, delay ${delay}ms`);
+            return delay;
           },
-        );
+          enableOfflineQueue: cacheConfig.REDIS_ENABLE_OFFLINE_QUEUE,
+        });
 
   ioredisClient.on('error', (err) => {
     logger.error('ioredis client error:', err);
@@ -148,10 +145,10 @@ if (cacheConfig.USE_REDIS) {
   };
 
   keyvRedisClient =
-    urls.length === 1 && !cacheConfig.USE_REDIS_CLUSTER
+    urls.length === 1
       ? createClient({ url: cacheConfig.REDIS_URI, ...redisOptions })
       : createCluster({
-          rootNodes: urls.map((url) => ({ url: url.href })),
+          rootNodes: cacheConfig.REDIS_URI.split(',').map((url) => ({ url })),
           defaults: redisOptions,
         });
 

api/config/index.js

@@ -1,13 +1,27 @@
-const { MCPManager, FlowStateManager } = require('@librechat/api');
 const { EventSource } = require('eventsource');
 const { Time } = require('librechat-data-provider');
+const { MCPManager, FlowStateManager } = require('@librechat/api');
 const logger = require('./winston');
 
 global.EventSource = EventSource;
 
 /** @type {MCPManager} */
+let mcpManager = null;
 let flowManager = null;
 
+/**
+ * @param {string} [userId] - Optional user ID, to avoid disconnecting the current user.
+ * @returns {MCPManager}
+ */
+function getMCPManager(userId) {
+  if (!mcpManager) {
+    mcpManager = MCPManager.getInstance();
+  } else {
+    mcpManager.checkIdleConnections(userId);
+  }
+  return mcpManager;
+}
+
 /**
  * @param {Keyv} flowsCache
  * @returns {FlowStateManager}
@@ -23,7 +37,6 @@ function getFlowStateManager(flowsCache) {
 
 module.exports = {
   logger,
-  createMCPManager: MCPManager.createInstance,
-  getMCPManager: MCPManager.getInstance,
+  getMCPManager,
   getFlowStateManager,
 };

api/models/Agent.js

@@ -2,7 +2,7 @@ const mongoose = require('mongoose');
 const crypto = require('node:crypto');
 const { logger } = require('@librechat/data-schemas');
 const { ResourceType, SystemRoles, Tools, actionDelimiter } = require('librechat-data-provider');
-const { GLOBAL_PROJECT_NAME, EPHEMERAL_AGENT_ID, mcp_all, mcp_delimiter } =
+const { GLOBAL_PROJECT_NAME, EPHEMERAL_AGENT_ID, mcp_delimiter } =
   require('librechat-data-provider').Constants;
 const {
   removeAgentFromAllProjects,
@@ -78,7 +78,6 @@ const loadEphemeralAgent = async ({ req, agent_id, endpoint, model_parameters: _
     tools.push(Tools.web_search);
   }
 
-  const addedServers = new Set();
   if (mcpServers.size > 0) {
     for (const toolName of Object.keys(availableTools)) {
       if (!toolName.includes(mcp_delimiter)) {
@@ -86,17 +85,9 @@ const loadEphemeralAgent = async ({ req, agent_id, endpoint, model_parameters: _
       }
       const mcpServer = toolName.split(mcp_delimiter)?.[1];
       if (mcpServer && mcpServers.has(mcpServer)) {
-        addedServers.add(mcpServer);
         tools.push(toolName);
       }
     }
-
-    for (const mcpServer of mcpServers) {
-      if (addedServers.has(mcpServer)) {
-        continue;
-      }
-      tools.push(`${mcp_all}${mcp_delimiter}${mcpServer}`);
-    }
   }
 
   const instructions = req.body.promptPrefix;
@@ -681,7 +672,7 @@ const getListAgents = async (searchParameter) => {
  * This function also updates the corresponding projects to include or exclude the agent ID.
  *
  * @param {Object} params - Parameters for updating the agent's projects.
- * @param {IUser} params.user - Parameters for updating the agent's projects.
+ * @param {MongoUser} params.user - Parameters for updating the agent's projects.
  * @param {string} params.agentId - The ID of the agent to update.
  * @param {string[]} [params.projectIds] - Array of project IDs to add to the agent.
  * @param {string[]} [params.removeProjectIds] - Array of project IDs to remove from the agent.

api/models/Conversation.js

@@ -1,5 +1,6 @@
 const { logger } = require('@librechat/data-schemas');
 const { createTempChatExpirationDate } = require('@librechat/api');
+const { getCustomConfig } = require('~/server/services/Config/getCustomConfig');
 const { getMessages, deleteMessages } = require('./Message');
 const { Conversation } = require('~/db/models');
 
@@ -101,8 +102,8 @@ module.exports = {
 
       if (req?.body?.isTemporary) {
         try {
-          const appConfig = req.config;
-          update.expiredAt = createTempChatExpirationDate(appConfig?.interfaceConfig);
+          const customConfig = await getCustomConfig();
+          update.expiredAt = createTempChatExpirationDate(customConfig);
         } catch (err) {
           logger.error('Error creating temporary chat expiration date:', err);
           logger.info(`---\`saveConvo\` context: ${metadata?.context}`);

api/models/Conversation.spec.js

@@ -13,8 +13,9 @@ const {
   saveConvo,
   getConvo,
 } = require('./Conversation');
-jest.mock('~/server/services/Config/app');
+jest.mock('~/server/services/Config/getCustomConfig');
 jest.mock('./Message');
+const { getCustomConfig } = require('~/server/services/Config/getCustomConfig');
 const { getMessages, deleteMessages } = require('./Message');
 
 const { Conversation } = require('~/db/models');
@@ -49,11 +50,6 @@ describe('Conversation Operations', () => {
     mockReq = {
       user: { id: 'user123' },
       body: {},
-      config: {
-        interfaceConfig: {
-          temporaryChatRetention: 24, // Default 24 hours
-        },
-      },
     };
 
     mockConversationData = {
@@ -122,8 +118,12 @@ describe('Conversation Operations', () => {
 
   describe('isTemporary conversation handling', () => {
     it('should save a conversation with expiredAt when isTemporary is true', async () => {
-      // Mock app config with 24 hour retention
-      mockReq.config.interfaceConfig.temporaryChatRetention = 24;
+      // Mock custom config with 24 hour retention
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 24,
+        },
+      });
 
       mockReq.body = { isTemporary: true };
 
@@ -167,8 +167,12 @@ describe('Conversation Operations', () => {
     });
 
     it('should use custom retention period from config', async () => {
-      // Mock app config with 48 hour retention
-      mockReq.config.interfaceConfig.temporaryChatRetention = 48;
+      // Mock custom config with 48 hour retention
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 48,
+        },
+      });
 
       mockReq.body = { isTemporary: true };
 
@@ -190,8 +194,12 @@ describe('Conversation Operations', () => {
     });
 
     it('should handle minimum retention period (1 hour)', async () => {
-      // Mock app config with less than minimum retention
-      mockReq.config.interfaceConfig.temporaryChatRetention = 0.5; // Half hour - should be clamped to 1 hour
+      // Mock custom config with less than minimum retention
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 0.5, // Half hour - should be clamped to 1 hour
+        },
+      });
 
       mockReq.body = { isTemporary: true };
 
@@ -213,8 +221,12 @@ describe('Conversation Operations', () => {
     });
 
     it('should handle maximum retention period (8760 hours)', async () => {
-      // Mock app config with more than maximum retention
-      mockReq.config.interfaceConfig.temporaryChatRetention = 10000; // Should be clamped to 8760 hours
+      // Mock custom config with more than maximum retention
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 10000, // Should be clamped to 8760 hours
+        },
+      });
 
       mockReq.body = { isTemporary: true };
 
@@ -235,36 +247,22 @@ describe('Conversation Operations', () => {
       );
     });
 
-    it('should handle missing config gracefully', async () => {
-      // Simulate missing config - should use default retention period
-      delete mockReq.config;
+    it('should handle getCustomConfig errors gracefully', async () => {
+      // Mock getCustomConfig to throw an error
+      getCustomConfig.mockRejectedValue(new Error('Config service unavailable'));
 
       mockReq.body = { isTemporary: true };
 
-      const beforeSave = new Date();
       const result = await saveConvo(mockReq, mockConversationData);
-      const afterSave = new Date();
 
-      // Should still save the conversation with default retention period (30 days)
+      // Should still save the conversation but with expiredAt as null
       expect(result.conversationId).toBe(mockConversationData.conversationId);
-      expect(result.expiredAt).toBeDefined();
-      expect(result.expiredAt).toBeInstanceOf(Date);
-
-      // Verify expiredAt is approximately 30 days in the future (720 hours)
-      const expectedExpirationTime = new Date(beforeSave.getTime() + 720 * 60 * 60 * 1000);
-      const actualExpirationTime = new Date(result.expiredAt);
-
-      expect(actualExpirationTime.getTime()).toBeGreaterThanOrEqual(
-        expectedExpirationTime.getTime() - 1000,
-      );
-      expect(actualExpirationTime.getTime()).toBeLessThanOrEqual(
-        new Date(afterSave.getTime() + 720 * 60 * 60 * 1000 + 1000).getTime(),
-      );
+      expect(result.expiredAt).toBeNull();
     });
 
     it('should use default retention when config is not provided', async () => {
-      // Mock getAppConfig to return empty config
-      mockReq.config = {}; // Empty config
+      // Mock getCustomConfig to return empty config
+      getCustomConfig.mockResolvedValue({});
 
       mockReq.body = { isTemporary: true };
 
@@ -287,7 +285,11 @@ describe('Conversation Operations', () => {
 
     it('should update expiredAt when saving existing temporary conversation', async () => {
       // First save a temporary conversation
-      mockReq.config.interfaceConfig.temporaryChatRetention = 24;
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 24,
+        },
+      });
 
       mockReq.body = { isTemporary: true };
       const firstSave = await saveConvo(mockReq, mockConversationData);

api/models/Message.js

@@ -1,6 +1,7 @@
 const { z } = require('zod');
 const { logger } = require('@librechat/data-schemas');
 const { createTempChatExpirationDate } = require('@librechat/api');
+const { getCustomConfig } = require('~/server/services/Config/getCustomConfig');
 const { Message } = require('~/db/models');
 
 const idSchema = z.string().uuid();
@@ -10,7 +11,7 @@ const idSchema = z.string().uuid();
  *
  * @async
  * @function saveMessage
- * @param {ServerRequest} req - The request object containing user information.
+ * @param {Express.Request} req - The request object containing user information.
  * @param {Object} params - The message data object.
  * @param {string} params.endpoint - The endpoint where the message originated.
  * @param {string} params.iconURL - The URL of the sender's icon.
@@ -56,8 +57,8 @@ async function saveMessage(req, params, metadata) {
 
     if (req?.body?.isTemporary) {
       try {
-        const appConfig = req.config;
-        update.expiredAt = createTempChatExpirationDate(appConfig?.interfaceConfig);
+        const customConfig = await getCustomConfig();
+        update.expiredAt = createTempChatExpirationDate(customConfig);
       } catch (err) {
         logger.error('Error creating temporary chat expiration date:', err);
         logger.info(`---\`saveMessage\` context: ${metadata?.context}`);

api/models/Message.spec.js

@@ -13,7 +13,8 @@ const {
   deleteMessagesSince,
 } = require('./Message');
 
-jest.mock('~/server/services/Config/app');
+jest.mock('~/server/services/Config/getCustomConfig');
+const { getCustomConfig } = require('~/server/services/Config/getCustomConfig');
 
 /**
  * @type {import('mongoose').Model<import('@librechat/data-schemas').IMessage>}
@@ -43,11 +44,6 @@ describe('Message Operations', () => {
 
     mockReq = {
       user: { id: 'user123' },
-      config: {
-        interfaceConfig: {
-          temporaryChatRetention: 24, // Default 24 hours
-        },
-      },
     };
 
     mockMessageData = {
@@ -330,8 +326,12 @@ describe('Message Operations', () => {
     });
 
     it('should save a message with expiredAt when isTemporary is true', async () => {
-      // Mock app config with 24 hour retention
-      mockReq.config.interfaceConfig.temporaryChatRetention = 24;
+      // Mock custom config with 24 hour retention
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 24,
+        },
+      });
 
       mockReq.body = { isTemporary: true };
 
@@ -375,8 +375,12 @@ describe('Message Operations', () => {
     });
 
     it('should use custom retention period from config', async () => {
-      // Mock app config with 48 hour retention
-      mockReq.config.interfaceConfig.temporaryChatRetention = 48;
+      // Mock custom config with 48 hour retention
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 48,
+        },
+      });
 
       mockReq.body = { isTemporary: true };
 
@@ -398,8 +402,12 @@ describe('Message Operations', () => {
     });
 
     it('should handle minimum retention period (1 hour)', async () => {
-      // Mock app config with less than minimum retention
-      mockReq.config.interfaceConfig.temporaryChatRetention = 0.5; // Half hour - should be clamped to 1 hour
+      // Mock custom config with less than minimum retention
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 0.5, // Half hour - should be clamped to 1 hour
+        },
+      });
 
       mockReq.body = { isTemporary: true };
 
@@ -421,8 +429,12 @@ describe('Message Operations', () => {
     });
 
     it('should handle maximum retention period (8760 hours)', async () => {
-      // Mock app config with more than maximum retention
-      mockReq.config.interfaceConfig.temporaryChatRetention = 10000; // Should be clamped to 8760 hours
+      // Mock custom config with more than maximum retention
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 10000, // Should be clamped to 8760 hours
+        },
+      });
 
       mockReq.body = { isTemporary: true };
 
@@ -443,36 +455,22 @@ describe('Message Operations', () => {
       );
     });
 
-    it('should handle missing config gracefully', async () => {
-      // Simulate missing config - should use default retention period
-      delete mockReq.config;
+    it('should handle getCustomConfig errors gracefully', async () => {
+      // Mock getCustomConfig to throw an error
+      getCustomConfig.mockRejectedValue(new Error('Config service unavailable'));
 
       mockReq.body = { isTemporary: true };
 
-      const beforeSave = new Date();
       const result = await saveMessage(mockReq, mockMessageData);
-      const afterSave = new Date();
 
-      // Should still save the message with default retention period (30 days)
+      // Should still save the message but with expiredAt as null
       expect(result.messageId).toBe('msg123');
-      expect(result.expiredAt).toBeDefined();
-      expect(result.expiredAt).toBeInstanceOf(Date);
-
-      // Verify expiredAt is approximately 30 days in the future (720 hours)
-      const expectedExpirationTime = new Date(beforeSave.getTime() + 720 * 60 * 60 * 1000);
-      const actualExpirationTime = new Date(result.expiredAt);
-
-      expect(actualExpirationTime.getTime()).toBeGreaterThanOrEqual(
-        expectedExpirationTime.getTime() - 1000,
-      );
-      expect(actualExpirationTime.getTime()).toBeLessThanOrEqual(
-        new Date(afterSave.getTime() + 720 * 60 * 60 * 1000 + 1000).getTime(),
-      );
+      expect(result.expiredAt).toBeNull();
     });
 
     it('should use default retention when config is not provided', async () => {
-      // Mock getAppConfig to return empty config
-      mockReq.config = {}; // Empty config
+      // Mock getCustomConfig to return empty config
+      getCustomConfig.mockResolvedValue({});
 
       mockReq.body = { isTemporary: true };
 
@@ -495,7 +493,11 @@ describe('Message Operations', () => {
 
     it('should not update expiredAt on message update', async () => {
       // First save a temporary message
-      mockReq.config.interfaceConfig.temporaryChatRetention = 24;
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 24,
+        },
+      });
 
       mockReq.body = { isTemporary: true };
       const savedMessage = await saveMessage(mockReq, mockMessageData);
@@ -518,7 +520,11 @@ describe('Message Operations', () => {
 
     it('should preserve expiredAt when saving existing temporary message', async () => {
       // First save a temporary message
-      mockReq.config.interfaceConfig.temporaryChatRetention = 24;
+      getCustomConfig.mockResolvedValue({
+        interface: {
+          temporaryChatRetention: 24,
+        },
+      });
 
       mockReq.body = { isTemporary: true };
       const firstSave = await saveMessage(mockReq, mockMessageData);

api/models/Transaction.js

@@ -1,4 +1,5 @@
 const { logger } = require('@librechat/data-schemas');
+const { getBalanceConfig } = require('~/server/services/Config');
 const { getMultiplier, getCacheMultiplier } = require('./tx');
 const { Transaction, Balance } = require('~/db/models');
 
@@ -186,10 +187,9 @@ async function createAutoRefillTransaction(txData) {
 
 /**
  * Static method to create a transaction and update the balance
- * @param {txData} _txData - Transaction data.
+ * @param {txData} txData - Transaction data.
  */
-async function createTransaction(_txData) {
-  const { balance, ...txData } = _txData;
+async function createTransaction(txData) {
   if (txData.rawAmount != null && isNaN(txData.rawAmount)) {
     return;
   }
@@ -199,6 +199,8 @@ async function createTransaction(_txData) {
   calculateTokenValue(transaction);
 
   await transaction.save();
+
+  const balance = await getBalanceConfig();
   if (!balance?.enabled) {
     return;
   }
@@ -219,10 +221,9 @@ async function createTransaction(_txData) {
 
 /**
  * Static method to create a structured transaction and update the balance
- * @param {txData} _txData - Transaction data.
+ * @param {txData} txData - Transaction data.
  */
-async function createStructuredTransaction(_txData) {
-  const { balance, ...txData } = _txData;
+async function createStructuredTransaction(txData) {
   const transaction = new Transaction({
     ...txData,
     endpointTokenConfig: txData.endpointTokenConfig,
@@ -232,6 +233,7 @@ async function createStructuredTransaction(_txData) {
 
   await transaction.save();
 
+  const balance = await getBalanceConfig();
   if (!balance?.enabled) {
     return;
   }

api/models/Transaction.spec.js

@@ -1,11 +1,14 @@
 const mongoose = require('mongoose');
 const { MongoMemoryServer } = require('mongodb-memory-server');
 const { spendTokens, spendStructuredTokens } = require('./spendTokens');
-
+const { getBalanceConfig } = require('~/server/services/Config');
 const { getMultiplier, getCacheMultiplier } = require('./tx');
 const { createTransaction } = require('./Transaction');
 const { Balance } = require('~/db/models');
 
+// Mock the custom config module so we can control the balance flag.
+jest.mock('~/server/services/Config');
+
 let mongoServer;
 beforeAll(async () => {
   mongoServer = await MongoMemoryServer.create();
@@ -20,6 +23,8 @@ afterAll(async () => {
 
 beforeEach(async () => {
   await mongoose.connection.dropDatabase();
+  // Default: enable balance updates in tests.
+  getBalanceConfig.mockResolvedValue({ enabled: true });
 });
 
 describe('Regular Token Spending Tests', () => {
@@ -36,7 +41,6 @@ describe('Regular Token Spending Tests', () => {
       model,
       context: 'test',
       endpointTokenConfig: null,
-      balance: { enabled: true },
     };
 
     const tokenUsage = {
@@ -70,7 +74,6 @@ describe('Regular Token Spending Tests', () => {
       model,
       context: 'test',
       endpointTokenConfig: null,
-      balance: { enabled: true },
     };
 
     const tokenUsage = {
@@ -101,7 +104,6 @@ describe('Regular Token Spending Tests', () => {
       model,
       context: 'test',
       endpointTokenConfig: null,
-      balance: { enabled: true },
     };
 
     const tokenUsage = {};
@@ -126,7 +128,6 @@ describe('Regular Token Spending Tests', () => {
       model,
       context: 'test',
       endpointTokenConfig: null,
-      balance: { enabled: true },
     };
 
     const tokenUsage = { promptTokens: 100 };
@@ -142,7 +143,8 @@ describe('Regular Token Spending Tests', () => {
   });
 
   test('spendTokens should not update balance when balance feature is disabled', async () => {
-    // Arrange: Balance config is now passed directly in txData
+    // Arrange: Override the config to disable balance updates.
+    getBalanceConfig.mockResolvedValue({ balance: { enabled: false } });
     const userId = new mongoose.Types.ObjectId();
     const initialBalance = 10000000;
     await Balance.create({ user: userId, tokenCredits: initialBalance });
@@ -154,7 +156,6 @@ describe('Regular Token Spending Tests', () => {
       model,
       context: 'test',
       endpointTokenConfig: null,
-      balance: { enabled: false },
     };
 
     const tokenUsage = {
@@ -185,7 +186,6 @@ describe('Structured Token Spending Tests', () => {
       model,
       context: 'message',
       endpointTokenConfig: null,
-      balance: { enabled: true },
     };
 
     const tokenUsage = {
@@ -239,7 +239,6 @@ describe('Structured Token Spending Tests', () => {
       conversationId: 'test-convo',
       model,
       context: 'message',
-      balance: { enabled: true },
     };
 
     const tokenUsage = {
@@ -272,7 +271,6 @@ describe('Structured Token Spending Tests', () => {
       conversationId: 'test-convo',
       model,
       context: 'message',
-      balance: { enabled: true },
     };
 
     const tokenUsage = {
@@ -304,7 +302,6 @@ describe('Structured Token Spending Tests', () => {
       conversationId: 'test-convo',
       model,
       context: 'message',
-      balance: { enabled: true },
     };
 
     const tokenUsage = {};
@@ -331,7 +328,6 @@ describe('Structured Token Spending Tests', () => {
       conversationId: 'test-convo',
       model,
       context: 'incomplete',
-      balance: { enabled: true },
     };
 
     const tokenUsage = {
@@ -368,7 +364,6 @@ describe('NaN Handling Tests', () => {
       endpointTokenConfig: null,
       rawAmount: NaN,
       tokenType: 'prompt',
-      balance: { enabled: true },
     };
 
     // Act

api/models/balanceMethods.js

@@ -118,7 +118,7 @@ const addIntervalToDate = (date, value, unit) => {
  * @async
  * @function
  * @param {Object} params - The function parameters.
- * @param {ServerRequest} params.req - The Express request object.
+ * @param {Express.Request} params.req - The Express request object.
  * @param {Express.Response} params.res - The Express response object.
  * @param {Object} params.txData - The transaction data.
  * @param {string} params.txData.user - The user ID or identifier.

api/models/index.js

@@ -24,15 +24,8 @@ const { getConvoTitle, getConvo, saveConvo, deleteConvos } = require('./Conversa
 const { getPreset, getPresets, savePreset, deletePresets } = require('./Preset');
 const { File } = require('~/db/models');
 
-const seedDatabase = async () => {
-  await methods.initializeRoles();
-  await methods.seedDefaultRoles();
-  await methods.ensureDefaultCategories();
-};
-
 module.exports = {
   ...methods,
-  seedDatabase,
   comparePassword,
   findFileById,
   createFile,

api/models/interface.js

@@ -1,24 +0,0 @@
-const { logger } = require('@librechat/data-schemas');
-const { updateInterfacePermissions: updateInterfacePerms } = require('@librechat/api');
-const { getRoleByName, updateAccessPermissions } = require('./Role');
-
-/**
- * Update interface permissions based on app configuration.
- * Must be done independently from loading the app config.
- * @param {AppConfig} appConfig
- */
-async function updateInterfacePermissions(appConfig) {
-  try {
-    await updateInterfacePerms({
-      appConfig,
-      getRoleByName,
-      updateAccessPermissions,
-    });
-  } catch (error) {
-    logger.error('Error updating interface permissions:', error);
-  }
-}
-
-module.exports = {
-  updateInterfacePermissions,
-};

api/models/spendTokens.js

@@ -5,7 +5,13 @@ const { createTransaction, createStructuredTransaction } = require('./Transactio
  *
  * @function
  * @async
- * @param {txData} txData - Transaction data.
+ * @param {Object} txData - Transaction data.
+ * @param {mongoose.Schema.Types.ObjectId} txData.user - The user ID.
+ * @param {String} txData.conversationId - The ID of the conversation.
+ * @param {String} txData.model - The model name.
+ * @param {String} txData.context - The context in which the transaction is made.
+ * @param {EndpointTokenConfig} [txData.endpointTokenConfig] - The current endpoint token config.
+ * @param {String} [txData.valueKey] - The value key (optional).
  * @param {Object} tokenUsage - The number of tokens used.
  * @param {Number} tokenUsage.promptTokens - The number of prompt tokens used.
  * @param {Number} tokenUsage.completionTokens - The number of completion tokens used.
@@ -63,7 +69,13 @@ const spendTokens = async (txData, tokenUsage) => {
  *
  * @function
  * @async
- * @param {txData} txData - Transaction data.
+ * @param {Object} txData - Transaction data.
+ * @param {mongoose.Schema.Types.ObjectId} txData.user - The user ID.
+ * @param {String} txData.conversationId - The ID of the conversation.
+ * @param {String} txData.model - The model name.
+ * @param {String} txData.context - The context in which the transaction is made.
+ * @param {EndpointTokenConfig} [txData.endpointTokenConfig] - The current endpoint token config.
+ * @param {String} [txData.valueKey] - The value key (optional).
  * @param {Object} tokenUsage - The number of tokens used.
  * @param {Object} tokenUsage.promptTokens - The number of prompt tokens used.
  * @param {Number} tokenUsage.promptTokens.input - The number of input tokens.

api/models/spendTokens.spec.js

@@ -5,6 +5,7 @@ const { createTransaction, createAutoRefillTransaction } = require('./Transactio
 
 require('~/db/models');
 
+// Mock the logger to prevent console output during tests
 jest.mock('~/config', () => ({
   logger: {
     debug: jest.fn(),
@@ -12,6 +13,10 @@ jest.mock('~/config', () => ({
   },
 }));
 
+// Mock the Config service
+const { getBalanceConfig } = require('~/server/services/Config');
+jest.mock('~/server/services/Config');
+
 describe('spendTokens', () => {
   let mongoServer;
   let userId;
@@ -39,7 +44,8 @@ describe('spendTokens', () => {
     // Create a new user ID for each test
     userId = new mongoose.Types.ObjectId();
 
-    // Balance config is now passed directly in txData
+    // Mock the balance config to be enabled by default
+    getBalanceConfig.mockResolvedValue({ enabled: true });
   });
 
   it('should create transactions for both prompt and completion tokens', async () => {
@@ -54,7 +60,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo',
       model: 'gpt-3.5-turbo',
       context: 'test',
-      balance: { enabled: true },
     };
     const tokenUsage = {
       promptTokens: 100,
@@ -93,7 +98,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo',
       model: 'gpt-3.5-turbo',
       context: 'test',
-      balance: { enabled: true },
     };
     const tokenUsage = {
       promptTokens: 100,
@@ -123,7 +127,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo',
       model: 'gpt-3.5-turbo',
       context: 'test',
-      balance: { enabled: true },
     };
     const tokenUsage = {};
 
@@ -135,7 +138,8 @@ describe('spendTokens', () => {
   });
 
   it('should not update balance when the balance feature is disabled', async () => {
-    // Balance is now passed directly in txData
+    // Override configuration: disable balance updates
+    getBalanceConfig.mockResolvedValue({ enabled: false });
     // Create a balance for the user
     await Balance.create({
       user: userId,
@@ -147,7 +151,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo',
       model: 'gpt-3.5-turbo',
       context: 'test',
-      balance: { enabled: false },
     };
     const tokenUsage = {
       promptTokens: 100,
@@ -177,7 +180,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo',
       model: 'gpt-4', // Using a more expensive model
       context: 'test',
-      balance: { enabled: true },
     };
 
     // Spending more tokens than the user has balance for
@@ -231,7 +233,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo-1',
       model: 'gpt-4',
       context: 'test',
-      balance: { enabled: true },
     };
 
     const tokenUsage1 = {
@@ -251,7 +252,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo-2',
       model: 'gpt-4',
       context: 'test',
-      balance: { enabled: true },
     };
 
     const tokenUsage2 = {
@@ -292,7 +292,6 @@ describe('spendTokens', () => {
       tokenType: 'completion',
       rawAmount: -100,
       context: 'test',
-      balance: { enabled: true },
     });
 
     console.log('Direct Transaction.create result:', directResult);
@@ -317,7 +316,6 @@ describe('spendTokens', () => {
         conversationId: `test-convo-${model}`,
         model,
         context: 'test',
-        balance: { enabled: true },
       };
 
       const tokenUsage = {
@@ -354,7 +352,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo-1',
       model: 'claude-3-5-sonnet',
       context: 'test',
-      balance: { enabled: true },
     };
 
     const tokenUsage1 = {
@@ -378,7 +375,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo-2',
       model: 'claude-3-5-sonnet',
       context: 'test',
-      balance: { enabled: true },
     };
 
     const tokenUsage2 = {
@@ -430,7 +426,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo',
       model: 'claude-3-5-sonnet', // Using a model that supports structured tokens
       context: 'test',
-      balance: { enabled: true },
     };
 
     // Spending more tokens than the user has balance for
@@ -510,7 +505,6 @@ describe('spendTokens', () => {
         conversationId,
         user: userId,
         model: usage.model,
-        balance: { enabled: true },
       };
 
       // Calculate expected spend for this transaction
@@ -623,7 +617,6 @@ describe('spendTokens', () => {
           tokenType: 'credits',
           context: 'concurrent-refill-test',
           rawAmount: refillAmount,
-          balance: { enabled: true },
         }),
       );
     }
@@ -690,7 +683,6 @@ describe('spendTokens', () => {
       conversationId: 'test-convo',
       model: 'claude-3-5-sonnet',
       context: 'test',
-      balance: { enabled: true },
     };
     const tokenUsage = {
       promptTokens: {

api/models/userMethods.js

@@ -3,7 +3,7 @@ const bcrypt = require('bcryptjs');
 /**
  * Compares the provided password with the user's password.
  *
- * @param {IUser} user - The user to compare the password for.
+ * @param {MongoUser} user - The user to compare the password for.
  * @param {string} candidatePassword - The password to test against the user's password.
  * @returns {Promise<boolean>} A promise that resolves to a boolean indicating if the password matches.
  */

api/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@librechat/backend",
-  "version": "v0.8.0-rc3",
+  "version": "v0.8.0-rc2",
   "description": "",
   "scripts": {
     "start": "echo 'please run this from the root directory'",
@@ -49,12 +49,12 @@
     "@langchain/google-vertexai": "^0.2.13",
     "@langchain/openai": "^0.5.18",
     "@langchain/textsplitters": "^0.1.0",
-    "@librechat/agents": "^2.4.76",
+    "@librechat/agents": "^2.4.75",
     "@librechat/api": "*",
     "@librechat/data-schemas": "*",
-    "@microsoft/microsoft-graph-client": "^3.0.7",
     "@modelcontextprotocol/sdk": "^1.17.1",
     "@node-saml/passport-saml": "^5.1.0",
+    "@microsoft/microsoft-graph-client": "^3.0.7",
     "@waylaidwanderer/fetch-event-source": "^3.0.1",
     "axios": "^1.8.2",
     "bcryptjs": "^2.4.3",
@@ -97,6 +97,7 @@
     "nodemailer": "^6.9.15",
     "ollama": "^0.5.0",
     "openai": "^5.10.1",
+    "openai-chat-tokens": "^0.2.8",
     "openid-client": "^6.5.0",
     "passport": "^0.6.0",
     "passport-apple": "^2.0.2",

api/server/cleanup.js

@@ -1,6 +1,6 @@
-const { logger } = require('@librechat/data-schemas');
+const { logger } = require('~/config');
 
-/** WeakMap to hold temporary data associated with requests */
+// WeakMap to hold temporary data associated with requests
 const requestDataMap = new WeakMap();
 
 const FinalizationRegistry = global.FinalizationRegistry || null;
@@ -23,7 +23,7 @@ const clientRegistry = FinalizationRegistry
         } else {
           logger.debug('[FinalizationRegistry] Cleaning up client');
         }
-      } catch {
+      } catch (e) {
         // Ignore errors
       }
     })
@@ -55,9 +55,6 @@ function disposeClient(client) {
     if (client.responseMessageId) {
       client.responseMessageId = null;
     }
-    if (client.parentMessageId) {
-      client.parentMessageId = null;
-    }
     if (client.message_file_map) {
       client.message_file_map = null;
     }
@@ -337,7 +334,7 @@ function disposeClient(client) {
       }
     }
     client.options = null;
-  } catch {
+  } catch (e) {
     // Ignore errors during disposal
   }
 }

api/server/controllers/AuthController.js

@@ -84,7 +84,7 @@ const refreshController = async (req, res) => {
   }
   try {
     const payload = jwt.verify(refreshToken, process.env.JWT_REFRESH_SECRET);
-    const user = await getUserById(payload.id, '-password -__v -totpSecret -backupCodes');
+    const user = await getUserById(payload.id, '-password -__v -totpSecret');
     if (!user) {
       return res.status(401).redirect('/login');
     }

api/server/controllers/OverrideController.js

@@ -0,0 +1,27 @@
+const { CacheKeys } = require('librechat-data-provider');
+const { loadOverrideConfig } = require('~/server/services/Config');
+const { getLogStores } = require('~/cache');
+
+async function overrideController(req, res) {
+  const cache = getLogStores(CacheKeys.CONFIG_STORE);
+  let overrideConfig = await cache.get(CacheKeys.OVERRIDE_CONFIG);
+  if (overrideConfig) {
+    res.send(overrideConfig);
+    return;
+  } else if (overrideConfig === false) {
+    res.send(false);
+    return;
+  }
+  overrideConfig = await loadOverrideConfig();
+  const { endpointsConfig, modelsConfig } = overrideConfig;
+  if (endpointsConfig) {
+    await cache.set(CacheKeys.ENDPOINT_CONFIG, endpointsConfig);
+  }
+  if (modelsConfig) {
+    await cache.set(CacheKeys.MODELS_CONFIG, modelsConfig);
+  }
+  await cache.set(CacheKeys.OVERRIDE_CONFIG, overrideConfig);
+  res.send(JSON.stringify(overrideConfig));
+}
+
+module.exports = overrideController;

api/server/controllers/PermissionsController.js

@@ -364,7 +364,7 @@ const getUserEffectivePermissions = async (req, res) => {
  */
 const searchPrincipals = async (req, res) => {
   try {
-    const { q: query, limit = 20, types } = req.query;
+    const { q: query, limit = 20, type } = req.query;
 
     if (!query || query.trim().length === 0) {
       return res.status(400).json({
@@ -379,34 +379,22 @@ const searchPrincipals = async (req, res) => {
     }
 
     const searchLimit = Math.min(Math.max(1, parseInt(limit) || 10), 50);
+    const typeFilter = [PrincipalType.USER, PrincipalType.GROUP, PrincipalType.ROLE].includes(type)
+      ? type
+      : null;
 
-    let typeFilters = null;
-    if (types) {
-      const typesArray = Array.isArray(types) ? types : types.split(',');
-      const validTypes = typesArray.filter((t) =>
-        [PrincipalType.USER, PrincipalType.GROUP, PrincipalType.ROLE].includes(t),
-      );
-      typeFilters = validTypes.length > 0 ? validTypes : null;
-    }
-
-    const localResults = await searchLocalPrincipals(query.trim(), searchLimit, typeFilters);
+    const localResults = await searchLocalPrincipals(query.trim(), searchLimit, typeFilter);
     let allPrincipals = [...localResults];
 
     const useEntraId = entraIdPrincipalFeatureEnabled(req.user);
 
     if (useEntraId && localResults.length < searchLimit) {
       try {
-        let graphType = 'all';
-        if (typeFilters && typeFilters.length === 1) {
-          const graphTypeMap = {
-            [PrincipalType.USER]: 'users',
-            [PrincipalType.GROUP]: 'groups',
-          };
-          const mappedType = graphTypeMap[typeFilters[0]];
-          if (mappedType) {
-            graphType = mappedType;
-          }
-        }
+        const graphTypeMap = {
+          user: 'users',
+          group: 'groups',
+          null: 'all',
+        };
 
         const authHeader = req.headers.authorization;
         const accessToken =
@@ -417,7 +405,7 @@ const searchPrincipals = async (req, res) => {
             accessToken,
             req.user.openidId,
             query.trim(),
-            graphType,
+            graphTypeMap[typeFilter],
             searchLimit - localResults.length,
           );
 
@@ -448,22 +436,21 @@ const searchPrincipals = async (req, res) => {
       _searchScore: calculateRelevanceScore(item, query.trim()),
     }));
 
-    const finalResults = sortPrincipalsByRelevance(scoredResults)
+    allPrincipals = sortPrincipalsByRelevance(scoredResults)
       .slice(0, searchLimit)
       .map((result) => {
         const { _searchScore, ...resultWithoutScore } = result;
         return resultWithoutScore;
       });
-
     res.status(200).json({
       query: query.trim(),
       limit: searchLimit,
-      types: typeFilters,
-      results: finalResults,
-      count: finalResults.length,
+      type: typeFilter,
+      results: allPrincipals,
+      count: allPrincipals.length,
       sources: {
-        local: finalResults.filter((r) => r.source === 'local').length,
-        entra: finalResults.filter((r) => r.source === 'entra').length,
+        local: allPrincipals.filter((r) => r.source === 'local').length,
+        entra: allPrincipals.filter((r) => r.source === 'entra').length,
       },
     });
   } catch (error) {

api/server/controllers/PluginController.js

@@ -4,13 +4,11 @@ const {
   getToolkitKey,
   checkPluginAuth,
   filterUniquePlugins,
-  convertMCPToolToPlugin,
   convertMCPToolsToPlugins,
 } = require('@librechat/api');
-const { getCachedTools, setCachedTools, mergeUserTools } = require('~/server/services/Config');
+const { getCustomConfig, getCachedTools } = require('~/server/services/Config');
 const { availableTools, toolkits } = require('~/app/clients/tools');
-const { getAppConfig } = require('~/server/services/Config');
-const { getMCPManager } = require('~/config');
+const { getMCPManager, getFlowStateManager } = require('~/config');
 const { getLogStores } = require('~/cache');
 
 const getAvailablePluginsController = async (req, res) => {
@@ -22,10 +20,8 @@ const getAvailablePluginsController = async (req, res) => {
       return;
     }
 
-    const appConfig = await getAppConfig({ role: req.user?.role });
     /** @type {{ filteredTools: string[], includedTools: string[] }} */
-    const { filteredTools = [], includedTools = [] } = appConfig;
-    /** @type {import('@librechat/api').LCManifestTool[]} */
+    const { filteredTools = [], includedTools = [] } = req.app.locals;
     const pluginManifest = availableTools;
 
     const uniquePlugins = filterUniquePlugins(pluginManifest);
@@ -51,6 +47,45 @@ const getAvailablePluginsController = async (req, res) => {
   }
 };
 
+function createServerToolsCallback() {
+  /**
+   * @param {string} serverName
+   * @param {TPlugin[] | null} serverTools
+   */
+  return async function (serverName, serverTools) {
+    try {
+      const mcpToolsCache = getLogStores(CacheKeys.MCP_TOOLS);
+      if (!serverName || !mcpToolsCache) {
+        return;
+      }
+      await mcpToolsCache.set(serverName, serverTools);
+      logger.debug(`MCP tools for ${serverName} added to cache.`);
+    } catch (error) {
+      logger.error('Error retrieving MCP tools from cache:', error);
+    }
+  };
+}
+
+function createGetServerTools() {
+  /**
+   * Retrieves cached server tools
+   * @param {string} serverName
+   * @returns {Promise<TPlugin[] | null>}
+   */
+  return async function (serverName) {
+    try {
+      const mcpToolsCache = getLogStores(CacheKeys.MCP_TOOLS);
+      if (!mcpToolsCache) {
+        return null;
+      }
+      return await mcpToolsCache.get(serverName);
+    } catch (error) {
+      logger.error('Error retrieving MCP tools from cache:', error);
+      return null;
+    }
+  };
+}
+
 /**
  * Retrieves and returns a list of available tools, either from a cache or by reading a plugin manifest file.
  *
@@ -66,19 +101,11 @@ const getAvailablePluginsController = async (req, res) => {
 const getAvailableTools = async (req, res) => {
   try {
     const userId = req.user?.id;
-    if (!userId) {
-      logger.warn('[getAvailableTools] User ID not found in request');
-      return res.status(401).json({ message: 'Unauthorized' });
-    }
+    const customConfig = await getCustomConfig();
     const cache = getLogStores(CacheKeys.CONFIG_STORE);
     const cachedToolsArray = await cache.get(CacheKeys.TOOLS);
     const cachedUserTools = await getCachedTools({ userId });
-
-    const mcpManager = getMCPManager();
-    const userPlugins =
-      cachedUserTools != null
-        ? convertMCPToolsToPlugins({ functionTools: cachedUserTools, mcpManager })
-        : undefined;
+    const userPlugins = convertMCPToolsToPlugins({ functionTools: cachedUserTools, customConfig });
 
     if (cachedToolsArray != null && userPlugins != null) {
       const dedupedTools = filterUniquePlugins([...userPlugins, ...cachedToolsArray]);
@@ -86,42 +113,25 @@ const getAvailableTools = async (req, res) => {
       return;
     }
 
-    /** @type {Record<string, FunctionTool> | null} Get tool definitions to filter which tools are actually available */
-    let toolDefinitions = await getCachedTools({ includeGlobal: true });
-    let prelimCachedTools;
-
-    /** @type {import('@librechat/api').LCManifestTool[]} */
+    // If not in cache, build from manifest
     let pluginManifest = availableTools;
-
-    const appConfig = req.config ?? (await getAppConfig({ role: req.user?.role }));
-    if (appConfig?.mcpConfig != null) {
-      try {
-        const mcpTools = await mcpManager.getAllToolFunctions(userId);
-        prelimCachedTools = prelimCachedTools ?? {};
-        for (const [toolKey, toolData] of Object.entries(mcpTools)) {
-          const plugin = convertMCPToolToPlugin({
-            toolKey,
-            toolData,
-            mcpManager,
-          });
-          if (plugin) {
-            pluginManifest.push(plugin);
-          }
-          prelimCachedTools[toolKey] = toolData;
-        }
-        await mergeUserTools({ userId, cachedUserTools, userTools: prelimCachedTools });
-      } catch (error) {
-        logger.error(
-          '[getAvailableTools] Error loading MCP Tools, servers may still be initializing:',
-          error,
-        );
-      }
-    } else if (prelimCachedTools != null) {
-      await setCachedTools(prelimCachedTools, { isGlobal: true });
+    if (customConfig?.mcpServers != null) {
+      const mcpManager = getMCPManager();
+      const flowsCache = getLogStores(CacheKeys.FLOWS);
+      const flowManager = flowsCache ? getFlowStateManager(flowsCache) : null;
+      const serverToolsCallback = createServerToolsCallback();
+      const getServerTools = createGetServerTools();
+      const mcpTools = await mcpManager.loadManifestTools({
+        flowManager,
+        serverToolsCallback,
+        getServerTools,
+      });
+      pluginManifest = [...mcpTools, ...pluginManifest];
     }
 
-    /** @type {TPlugin[]} Deduplicate and authenticate plugins */
+    /** @type {TPlugin[]} */
     const uniquePlugins = filterUniquePlugins(pluginManifest);
+
     const authenticatedPlugins = uniquePlugins.map((plugin) => {
       if (checkPluginAuth(plugin)) {
         return { ...plugin, authenticated: true };
@@ -130,7 +140,8 @@ const getAvailableTools = async (req, res) => {
       }
     });
 
-    /** Filter plugins based on availability and add MCP-specific auth config */
+    const toolDefinitions = (await getCachedTools({ includeGlobal: true })) || {};
+
     const toolsOutput = [];
     for (const plugin of authenticatedPlugins) {
       const isToolDefined = toolDefinitions[plugin.pluginKey] !== undefined;
@@ -146,36 +157,41 @@ const getAvailableTools = async (req, res) => {
 
       const toolToAdd = { ...plugin };
 
-      if (plugin.pluginKey.includes(Constants.mcp_delimiter)) {
-        const parts = plugin.pluginKey.split(Constants.mcp_delimiter);
-        const serverName = parts[parts.length - 1];
-        const serverConfig = appConfig?.mcpConfig?.[serverName];
+      if (!plugin.pluginKey.includes(Constants.mcp_delimiter)) {
+        toolsOutput.push(toolToAdd);
+        continue;
+      }
 
-        if (serverConfig?.customUserVars) {
-          const customVarKeys = Object.keys(serverConfig.customUserVars);
-          if (customVarKeys.length === 0) {
-            toolToAdd.authConfig = [];
-            toolToAdd.authenticated = true;
-          } else {
-            toolToAdd.authConfig = Object.entries(serverConfig.customUserVars).map(
-              ([key, value]) => ({
-                authField: key,
-                label: value.title || key,
-                description: value.description || '',
-              }),
-            );
-            toolToAdd.authenticated = false;
-          }
-        }
+      const parts = plugin.pluginKey.split(Constants.mcp_delimiter);
+      const serverName = parts[parts.length - 1];
+      const serverConfig = customConfig?.mcpServers?.[serverName];
+
+      if (!serverConfig?.customUserVars) {
+        toolsOutput.push(toolToAdd);
+        continue;
+      }
+
+      const customVarKeys = Object.keys(serverConfig.customUserVars);
+
+      if (customVarKeys.length === 0) {
+        toolToAdd.authConfig = [];
+        toolToAdd.authenticated = true;
+      } else {
+        toolToAdd.authConfig = Object.entries(serverConfig.customUserVars).map(([key, value]) => ({
+          authField: key,
+          label: value.title || key,
+          description: value.description || '',
+        }));
+        toolToAdd.authenticated = false;
       }
 
       toolsOutput.push(toolToAdd);
     }
-
     const finalTools = filterUniquePlugins(toolsOutput);
     await cache.set(CacheKeys.TOOLS, finalTools);
 
-    const dedupedTools = filterUniquePlugins([...(userPlugins ?? []), ...finalTools]);
+    const dedupedTools = filterUniquePlugins([...userPlugins, ...finalTools]);
+
     res.status(200).json(dedupedTools);
   } catch (error) {
     logger.error('[getAvailableTools]', error);

api/server/controllers/PluginController.spec.js

@@ -1,31 +1,27 @@
 const { Constants } = require('librechat-data-provider');
-const { getCachedTools, getAppConfig } = require('~/server/services/Config');
+const { getCustomConfig, getCachedTools } = require('~/server/services/Config');
 const { getLogStores } = require('~/cache');
 
+// Mock the dependencies
 jest.mock('@librechat/data-schemas', () => ({
   logger: {
     debug: jest.fn(),
     error: jest.fn(),
-    warn: jest.fn(),
   },
 }));
 
 jest.mock('~/server/services/Config', () => ({
+  getCustomConfig: jest.fn(),
   getCachedTools: jest.fn(),
-  getAppConfig: jest.fn().mockResolvedValue({
-    filteredTools: [],
-    includedTools: [],
-  }),
-  setCachedTools: jest.fn(),
-  mergeUserTools: jest.fn(),
 }));
 
-// loadAndFormatTools mock removed - no longer used in PluginController
+jest.mock('~/server/services/ToolService', () => ({
+  getToolkitKey: jest.fn(),
+}));
 
 jest.mock('~/config', () => ({
   getMCPManager: jest.fn(() => ({
-    getAllToolFunctions: jest.fn().mockResolvedValue({}),
-    getRawConfig: jest.fn().mockReturnValue({}),
+    loadManifestTools: jest.fn().mockResolvedValue([]),
   })),
   getFlowStateManager: jest.fn(),
 }));
@@ -39,87 +35,71 @@ jest.mock('~/cache', () => ({
   getLogStores: jest.fn(),
 }));
 
+jest.mock('@librechat/api', () => ({
+  getToolkitKey: jest.fn(),
+  checkPluginAuth: jest.fn(),
+  filterUniquePlugins: jest.fn(),
+  convertMCPToolsToPlugins: jest.fn(),
+}));
+
+// Import the actual module with the function we want to test
 const { getAvailableTools, getAvailablePluginsController } = require('./PluginController');
+const {
+  filterUniquePlugins,
+  checkPluginAuth,
+  convertMCPToolsToPlugins,
+  getToolkitKey,
+} = require('@librechat/api');
 
 describe('PluginController', () => {
   let mockReq, mockRes, mockCache;
 
   beforeEach(() => {
     jest.clearAllMocks();
-    mockReq = {
-      user: { id: 'test-user-id' },
-      config: {
-        filteredTools: [],
-        includedTools: [],
-      },
-    };
+    mockReq = { user: { id: 'test-user-id' } };
     mockRes = { status: jest.fn().mockReturnThis(), json: jest.fn() };
     mockCache = { get: jest.fn(), set: jest.fn() };
     getLogStores.mockReturnValue(mockCache);
-
-    // Clear availableTools and toolkits arrays before each test
-    require('~/app/clients/tools').availableTools.length = 0;
-    require('~/app/clients/tools').toolkits.length = 0;
-
-    // Reset getCachedTools mock to ensure clean state
-    getCachedTools.mockReset();
-
-    // Reset getAppConfig mock to ensure clean state with default values
-    getAppConfig.mockReset();
-    getAppConfig.mockResolvedValue({
-      filteredTools: [],
-      includedTools: [],
-    });
   });
 
   describe('getAvailablePluginsController', () => {
+    beforeEach(() => {
+      mockReq.app = { locals: { filteredTools: [], includedTools: [] } };
+    });
+
     it('should use filterUniquePlugins to remove duplicate plugins', async () => {
-      // Add plugins with duplicates to availableTools
       const mockPlugins = [
         { name: 'Plugin1', pluginKey: 'key1', description: 'First' },
-        { name: 'Plugin1', pluginKey: 'key1', description: 'First duplicate' },
         { name: 'Plugin2', pluginKey: 'key2', description: 'Second' },
       ];
 
-      require('~/app/clients/tools').availableTools.push(...mockPlugins);
-
       mockCache.get.mockResolvedValue(null);
-
-      // Configure getAppConfig to return the expected config
-      getAppConfig.mockResolvedValueOnce({
-        filteredTools: [],
-        includedTools: [],
-      });
+      filterUniquePlugins.mockReturnValue(mockPlugins);
+      checkPluginAuth.mockReturnValue(true);
 
       await getAvailablePluginsController(mockReq, mockRes);
 
+      expect(filterUniquePlugins).toHaveBeenCalled();
       expect(mockRes.status).toHaveBeenCalledWith(200);
-      const responseData = mockRes.json.mock.calls[0][0];
-      // The real filterUniquePlugins should have removed the duplicate
-      expect(responseData).toHaveLength(2);
-      expect(responseData[0].pluginKey).toBe('key1');
-      expect(responseData[1].pluginKey).toBe('key2');
+      // The response includes authenticated: true for each plugin when checkPluginAuth returns true
+      expect(mockRes.json).toHaveBeenCalledWith([
+        { name: 'Plugin1', pluginKey: 'key1', description: 'First', authenticated: true },
+        { name: 'Plugin2', pluginKey: 'key2', description: 'Second', authenticated: true },
+      ]);
     });
 
     it('should use checkPluginAuth to verify plugin authentication', async () => {
-      // checkPluginAuth returns false for plugins without authConfig
-      // so authenticated property won't be added
       const mockPlugin = { name: 'Plugin1', pluginKey: 'key1', description: 'First' };
 
-      require('~/app/clients/tools').availableTools.push(mockPlugin);
       mockCache.get.mockResolvedValue(null);
-
-      // Configure getAppConfig to return the expected config
-      getAppConfig.mockResolvedValueOnce({
-        filteredTools: [],
-        includedTools: [],
-      });
+      filterUniquePlugins.mockReturnValue([mockPlugin]);
+      checkPluginAuth.mockReturnValueOnce(true);
 
       await getAvailablePluginsController(mockReq, mockRes);
 
+      expect(checkPluginAuth).toHaveBeenCalledWith(mockPlugin);
       const responseData = mockRes.json.mock.calls[0][0];
-      // The real checkPluginAuth returns false for plugins without authConfig, so authenticated property is not added
-      expect(responseData[0].authenticated).toBeUndefined();
+      expect(responseData[0].authenticated).toBe(true);
     });
 
     it('should return cached plugins when available', async () => {
@@ -131,7 +111,8 @@ describe('PluginController', () => {
 
       await getAvailablePluginsController(mockReq, mockRes);
 
-      // When cache is hit, we return immediately without processing
+      expect(filterUniquePlugins).not.toHaveBeenCalled();
+      expect(checkPluginAuth).not.toHaveBeenCalled();
       expect(mockRes.json).toHaveBeenCalledWith(cachedPlugins);
     });
 
@@ -141,14 +122,10 @@ describe('PluginController', () => {
         { name: 'Plugin2', pluginKey: 'key2', description: 'Second' },
       ];
 
-      require('~/app/clients/tools').availableTools.push(...mockPlugins);
+      mockReq.app.locals.includedTools = ['key1'];
       mockCache.get.mockResolvedValue(null);
-
-      // Configure getAppConfig to return config with includedTools
-      getAppConfig.mockResolvedValueOnce({
-        filteredTools: [],
-        includedTools: ['key1'],
-      });
+      filterUniquePlugins.mockReturnValue(mockPlugins);
+      checkPluginAuth.mockReturnValue(false);
 
       await getAvailablePluginsController(mockReq, mockRes);
 
@@ -162,117 +139,70 @@ describe('PluginController', () => {
     it('should use convertMCPToolsToPlugins for user-specific MCP tools', async () => {
       const mockUserTools = {
         [`tool1${Constants.mcp_delimiter}server1`]: {
-          type: 'function',
-          function: {
-            name: `tool1${Constants.mcp_delimiter}server1`,
-            description: 'Tool 1',
-            parameters: { type: 'object', properties: {} },
-          },
+          function: { name: 'tool1', description: 'Tool 1' },
         },
       };
+      const mockConvertedPlugins = [
+        {
+          name: 'tool1',
+          pluginKey: `tool1${Constants.mcp_delimiter}server1`,
+          description: 'Tool 1',
+        },
+      ];
 
       mockCache.get.mockResolvedValue(null);
       getCachedTools.mockResolvedValueOnce(mockUserTools);
-      mockReq.config = {
-        mcpConfig: null,
-        paths: { structuredTools: '/mock/path' },
-      };
-
-      // Mock second call to return tool definitions (includeGlobal: true)
-      getCachedTools.mockResolvedValueOnce(mockUserTools);
+      convertMCPToolsToPlugins.mockReturnValue(mockConvertedPlugins);
+      filterUniquePlugins.mockImplementation((plugins) => plugins);
+      getCustomConfig.mockResolvedValue(null);
 
       await getAvailableTools(mockReq, mockRes);
 
-      expect(mockRes.status).toHaveBeenCalledWith(200);
-      const responseData = mockRes.json.mock.calls[0][0];
-      expect(responseData).toBeDefined();
-      expect(Array.isArray(responseData)).toBe(true);
-      expect(responseData.length).toBeGreaterThan(0);
-      const convertedTool = responseData.find(
-        (tool) => tool.pluginKey === `tool1${Constants.mcp_delimiter}server1`,
-      );
-      expect(convertedTool).toBeDefined();
-      // The real convertMCPToolsToPlugins extracts the name from the delimiter
-      expect(convertedTool.name).toBe('tool1');
+      expect(convertMCPToolsToPlugins).toHaveBeenCalledWith({
+        functionTools: mockUserTools,
+        customConfig: null,
+      });
     });
 
     it('should use filterUniquePlugins to deduplicate combined tools', async () => {
-      const mockUserTools = {
-        'user-tool': {
-          type: 'function',
-          function: {
-            name: 'user-tool',
-            description: 'User tool',
-            parameters: { type: 'object', properties: {} },
-          },
-        },
-      };
-
-      const mockCachedPlugins = [
-        { name: 'user-tool', pluginKey: 'user-tool', description: 'Duplicate user tool' },
+      const mockUserPlugins = [
+        { name: 'UserTool', pluginKey: 'user-tool', description: 'User tool' },
+      ];
+      const mockManifestPlugins = [
         { name: 'ManifestTool', pluginKey: 'manifest-tool', description: 'Manifest tool' },
       ];
 
-      mockCache.get.mockResolvedValue(mockCachedPlugins);
-      getCachedTools.mockResolvedValueOnce(mockUserTools);
-      mockReq.config = {
-        mcpConfig: null,
-        paths: { structuredTools: '/mock/path' },
-      };
-
-      // Mock second call to return tool definitions
-      getCachedTools.mockResolvedValueOnce(mockUserTools);
+      mockCache.get.mockResolvedValue(mockManifestPlugins);
+      getCachedTools.mockResolvedValueOnce({});
+      convertMCPToolsToPlugins.mockReturnValue(mockUserPlugins);
+      filterUniquePlugins.mockReturnValue([...mockUserPlugins, ...mockManifestPlugins]);
+      getCustomConfig.mockResolvedValue(null);
 
       await getAvailableTools(mockReq, mockRes);
 
-      expect(mockRes.status).toHaveBeenCalledWith(200);
-      const responseData = mockRes.json.mock.calls[0][0];
-      expect(Array.isArray(responseData)).toBe(true);
-      // The real filterUniquePlugins should have deduplicated tools with same pluginKey
-      const userToolCount = responseData.filter((tool) => tool.pluginKey === 'user-tool').length;
-      expect(userToolCount).toBe(1);
+      // Should be called to deduplicate the combined array
+      expect(filterUniquePlugins).toHaveBeenLastCalledWith([
+        ...mockUserPlugins,
+        ...mockManifestPlugins,
+      ]);
     });
 
     it('should use checkPluginAuth to verify authentication status', async () => {
-      // Add a plugin to availableTools that will be checked
-      const mockPlugin = {
-        name: 'Tool1',
-        pluginKey: 'tool1',
-        description: 'Tool 1',
-        // No authConfig means checkPluginAuth returns false
-      };
-
-      require('~/app/clients/tools').availableTools.push(mockPlugin);
+      const mockPlugin = { name: 'Tool1', pluginKey: 'tool1', description: 'Tool 1' };
 
       mockCache.get.mockResolvedValue(null);
-      // First call returns null for user tools
-      getCachedTools.mockResolvedValueOnce(null);
-      mockReq.config = {
-        mcpConfig: null,
-        paths: { structuredTools: '/mock/path' },
-      };
+      getCachedTools.mockResolvedValue({});
+      convertMCPToolsToPlugins.mockReturnValue([]);
+      filterUniquePlugins.mockReturnValue([mockPlugin]);
+      checkPluginAuth.mockReturnValue(true);
+      getCustomConfig.mockResolvedValue(null);
 
-      // Second call (with includeGlobal: true) returns the tool definitions
-      getCachedTools.mockResolvedValueOnce({
-        tool1: {
-          type: 'function',
-          function: {
-            name: 'tool1',
-            description: 'Tool 1',
-            parameters: {},
-          },
-        },
-      });
+      // Mock getCachedTools second call to return tool definitions
+      getCachedTools.mockResolvedValueOnce({}).mockResolvedValueOnce({ tool1: true });
 
       await getAvailableTools(mockReq, mockRes);
 
-      expect(mockRes.status).toHaveBeenCalledWith(200);
-      const responseData = mockRes.json.mock.calls[0][0];
-      expect(Array.isArray(responseData)).toBe(true);
-      const tool = responseData.find((t) => t.pluginKey === 'tool1');
-      expect(tool).toBeDefined();
-      // The real checkPluginAuth returns false for plugins without authConfig, so authenticated property is not added
-      expect(tool.authenticated).toBeUndefined();
+      expect(checkPluginAuth).toHaveBeenCalledWith(mockPlugin);
     });
 
     it('should use getToolkitKey for toolkit validation', async () => {
@@ -283,106 +213,83 @@ describe('PluginController', () => {
         toolkit: true,
       };
 
-      require('~/app/clients/tools').availableTools.push(mockToolkit);
-
-      // Mock toolkits to have a mapping
-      require('~/app/clients/tools').toolkits.push({
-        name: 'Toolkit1',
-        pluginKey: 'toolkit1',
-        tools: ['toolkit1_function'],
-      });
-
       mockCache.get.mockResolvedValue(null);
-      // First call returns null for user tools
-      getCachedTools.mockResolvedValueOnce(null);
-      mockReq.config = {
-        mcpConfig: null,
-        paths: { structuredTools: '/mock/path' },
-      };
+      getCachedTools.mockResolvedValue({});
+      convertMCPToolsToPlugins.mockReturnValue([]);
+      filterUniquePlugins.mockReturnValue([mockToolkit]);
+      checkPluginAuth.mockReturnValue(false);
+      getToolkitKey.mockReturnValue('toolkit1');
+      getCustomConfig.mockResolvedValue(null);
 
-      // Second call (with includeGlobal: true) returns the tool definitions
-      getCachedTools.mockResolvedValueOnce({
-        toolkit1_function: {
-          type: 'function',
-          function: {
-            name: 'toolkit1_function',
-            description: 'Toolkit function',
-            parameters: {},
-          },
-        },
+      // Mock getCachedTools second call to return tool definitions
+      getCachedTools.mockResolvedValueOnce({}).mockResolvedValueOnce({
+        toolkit1_function: true,
       });
 
       await getAvailableTools(mockReq, mockRes);
 
-      expect(mockRes.status).toHaveBeenCalledWith(200);
-      const responseData = mockRes.json.mock.calls[0][0];
-      expect(Array.isArray(responseData)).toBe(true);
-      const toolkit = responseData.find((t) => t.pluginKey === 'toolkit1');
-      expect(toolkit).toBeDefined();
+      expect(getToolkitKey).toHaveBeenCalled();
     });
   });
 
   describe('plugin.icon behavior', () => {
-    const callGetAvailableToolsWithMCPServer = async (serverConfig) => {
+    const callGetAvailableToolsWithMCPServer = async (mcpServers) => {
       mockCache.get.mockResolvedValue(null);
+      getCustomConfig.mockResolvedValue({ mcpServers });
 
       const functionTools = {
         [`test-tool${Constants.mcp_delimiter}test-server`]: {
-          type: 'function',
-          function: {
-            name: `test-tool${Constants.mcp_delimiter}test-server`,
-            description: 'A test tool',
-            parameters: { type: 'object', properties: {} },
-          },
+          function: { name: 'test-tool', description: 'A test tool' },
         },
       };
 
-      // Mock the MCP manager to return tools and server config
-      const mockMCPManager = {
-        getAllToolFunctions: jest.fn().mockResolvedValue(functionTools),
-        getRawConfig: jest.fn().mockReturnValue(serverConfig),
-      };
-      require('~/config').getMCPManager.mockReturnValue(mockMCPManager);
-
-      // First call returns empty user tools
-      getCachedTools.mockResolvedValueOnce({});
-
-      // Mock getAppConfig to return the mcpConfig
-      mockReq.config = {
-        mcpConfig: {
-          'test-server': serverConfig,
-        },
+      const mockConvertedPlugin = {
+        name: 'test-tool',
+        pluginKey: `test-tool${Constants.mcp_delimiter}test-server`,
+        description: 'A test tool',
+        icon: mcpServers['test-server']?.iconPath,
+        authenticated: true,
+        authConfig: [],
       };
 
-      // Second call (with includeGlobal: true) returns the tool definitions
       getCachedTools.mockResolvedValueOnce(functionTools);
+      convertMCPToolsToPlugins.mockReturnValue([mockConvertedPlugin]);
+      filterUniquePlugins.mockImplementation((plugins) => plugins);
+      checkPluginAuth.mockReturnValue(true);
+      getToolkitKey.mockReturnValue(undefined);
+
+      getCachedTools.mockResolvedValueOnce({
+        [`test-tool${Constants.mcp_delimiter}test-server`]: true,
+      });
 
       await getAvailableTools(mockReq, mockRes);
       const responseData = mockRes.json.mock.calls[0][0];
-      return responseData.find(
-        (tool) => tool.pluginKey === `test-tool${Constants.mcp_delimiter}test-server`,
-      );
+      return responseData.find((tool) => tool.name === 'test-tool');
     };
 
     it('should set plugin.icon when iconPath is defined', async () => {
-      const serverConfig = {
-        iconPath: '/path/to/icon.png',
+      const mcpServers = {
+        'test-server': {
+          iconPath: '/path/to/icon.png',
+        },
       };
-      const testTool = await callGetAvailableToolsWithMCPServer(serverConfig);
+      const testTool = await callGetAvailableToolsWithMCPServer(mcpServers);
       expect(testTool.icon).toBe('/path/to/icon.png');
     });
 
     it('should set plugin.icon to undefined when iconPath is not defined', async () => {
-      const serverConfig = {};
-      const testTool = await callGetAvailableToolsWithMCPServer(serverConfig);
+      const mcpServers = {
+        'test-server': {},
+      };
+      const testTool = await callGetAvailableToolsWithMCPServer(mcpServers);
       expect(testTool.icon).toBeUndefined();
     });
   });
 
   describe('helper function integration', () => {
     it('should properly handle MCP tools with custom user variables', async () => {
-      const appConfig = {
-        mcpConfig: {
+      const customConfig = {
+        mcpServers: {
           'test-server': {
             customUserVars: {
               API_KEY: { title: 'API Key', description: 'Your API key' },
@@ -391,43 +298,45 @@ describe('PluginController', () => {
         },
       };
 
-      // Mock MCP tools returned by getAllToolFunctions
-      const mcpToolFunctions = {
-        [`tool1${Constants.mcp_delimiter}test-server`]: {
-          type: 'function',
-          function: {
-            name: `tool1${Constants.mcp_delimiter}test-server`,
-            description: 'Tool 1',
-            parameters: {},
-          },
+      // We need to test the actual flow where MCP manager tools are included
+      const mcpManagerTools = [
+        {
+          name: 'tool1',
+          pluginKey: `tool1${Constants.mcp_delimiter}test-server`,
+          description: 'Tool 1',
+          authenticated: true,
         },
-      };
+      ];
 
       // Mock the MCP manager to return tools
       const mockMCPManager = {
-        getAllToolFunctions: jest.fn().mockResolvedValue(mcpToolFunctions),
-        getRawConfig: jest.fn().mockReturnValue({
-          customUserVars: {
-            API_KEY: { title: 'API Key', description: 'Your API key' },
-          },
-        }),
+        loadManifestTools: jest.fn().mockResolvedValue(mcpManagerTools),
       };
       require('~/config').getMCPManager.mockReturnValue(mockMCPManager);
 
       mockCache.get.mockResolvedValue(null);
-      mockReq.config = appConfig;
+      getCustomConfig.mockResolvedValue(customConfig);
 
       // First call returns user tools (empty in this case)
       getCachedTools.mockResolvedValueOnce({});
 
-      // Second call (with includeGlobal: true) returns tool definitions including our MCP tool
-      getCachedTools.mockResolvedValueOnce(mcpToolFunctions);
+      // Mock convertMCPToolsToPlugins to return empty array for user tools
+      convertMCPToolsToPlugins.mockReturnValue([]);
+
+      // Mock filterUniquePlugins to pass through
+      filterUniquePlugins.mockImplementation((plugins) => plugins || []);
+
+      // Mock checkPluginAuth
+      checkPluginAuth.mockReturnValue(true);
+
+      // Second call returns tool definitions
+      getCachedTools.mockResolvedValueOnce({
+        [`tool1${Constants.mcp_delimiter}test-server`]: true,
+      });
 
       await getAvailableTools(mockReq, mockRes);
 
-      expect(mockRes.status).toHaveBeenCalledWith(200);
       const responseData = mockRes.json.mock.calls[0][0];
-      expect(Array.isArray(responseData)).toBe(true);
 
       // Find the MCP tool in the response
       const mcpTool = responseData.find(
@@ -463,36 +372,26 @@ describe('PluginController', () => {
 
     it('should handle null cachedTools and cachedUserTools', async () => {
       mockCache.get.mockResolvedValue(null);
-      // First call returns null for user tools
-      getCachedTools.mockResolvedValueOnce(null);
-      mockReq.config = {
-        mcpConfig: null,
-        paths: { structuredTools: '/mock/path' },
-      };
-
-      // Mock MCP manager to return no tools
-      const mockMCPManager = {
-        getAllToolFunctions: jest.fn().mockResolvedValue({}),
-        getRawConfig: jest.fn().mockReturnValue({}),
-      };
-      require('~/config').getMCPManager.mockReturnValue(mockMCPManager);
-
-      // Second call (with includeGlobal: true) returns empty object instead of null
-      getCachedTools.mockResolvedValueOnce({});
+      getCachedTools.mockResolvedValue(null);
+      convertMCPToolsToPlugins.mockReturnValue(undefined);
+      filterUniquePlugins.mockImplementation((plugins) => plugins || []);
+      getCustomConfig.mockResolvedValue(null);
 
       await getAvailableTools(mockReq, mockRes);
 
-      // Should handle null values gracefully
-      expect(mockRes.status).toHaveBeenCalledWith(200);
-      expect(mockRes.json).toHaveBeenCalledWith([]);
+      expect(convertMCPToolsToPlugins).toHaveBeenCalledWith({
+        functionTools: null,
+        customConfig: null,
+      });
     });
 
     it('should handle when getCachedTools returns undefined', async () => {
       mockCache.get.mockResolvedValue(null);
-      mockReq.config = {
-        mcpConfig: null,
-        paths: { structuredTools: '/mock/path' },
-      };
+      getCachedTools.mockResolvedValue(undefined);
+      convertMCPToolsToPlugins.mockReturnValue(undefined);
+      filterUniquePlugins.mockImplementation((plugins) => plugins || []);
+      getCustomConfig.mockResolvedValue(null);
+      checkPluginAuth.mockReturnValue(false);
 
       // Mock getCachedTools to return undefined for both calls
       getCachedTools.mockReset();
@@ -500,63 +399,37 @@ describe('PluginController', () => {
 
       await getAvailableTools(mockReq, mockRes);
 
-      // Should handle undefined values gracefully
-      expect(mockRes.status).toHaveBeenCalledWith(200);
-      expect(mockRes.json).toHaveBeenCalledWith([]);
+      expect(convertMCPToolsToPlugins).toHaveBeenCalledWith({
+        functionTools: undefined,
+        customConfig: null,
+      });
     });
 
     it('should handle cachedToolsArray and userPlugins both being defined', async () => {
       const cachedTools = [{ name: 'CachedTool', pluginKey: 'cached-tool', description: 'Cached' }];
-      // Use MCP delimiter for the user tool so convertMCPToolsToPlugins works
       const userTools = {
-        [`user-tool${Constants.mcp_delimiter}server1`]: {
-          type: 'function',
-          function: {
-            name: `user-tool${Constants.mcp_delimiter}server1`,
-            description: 'User tool',
-            parameters: {},
-          },
-        },
+        'user-tool': { function: { name: 'user-tool', description: 'User tool' } },
       };
+      const userPlugins = [{ name: 'UserTool', pluginKey: 'user-tool', description: 'User tool' }];
 
       mockCache.get.mockResolvedValue(cachedTools);
-      getCachedTools.mockResolvedValueOnce(userTools);
-      mockReq.config = {
-        mcpConfig: null,
-        paths: { structuredTools: '/mock/path' },
-      };
-
-      // The controller expects a second call to getCachedTools
-      getCachedTools.mockResolvedValueOnce({
-        'cached-tool': { type: 'function', function: { name: 'cached-tool' } },
-        [`user-tool${Constants.mcp_delimiter}server1`]:
-          userTools[`user-tool${Constants.mcp_delimiter}server1`],
-      });
+      getCachedTools.mockResolvedValue(userTools);
+      convertMCPToolsToPlugins.mockReturnValue(userPlugins);
+      filterUniquePlugins.mockReturnValue([...userPlugins, ...cachedTools]);
 
       await getAvailableTools(mockReq, mockRes);
 
       expect(mockRes.status).toHaveBeenCalledWith(200);
-      const responseData = mockRes.json.mock.calls[0][0];
-      // Should have both cached and user tools
-      expect(responseData.length).toBeGreaterThanOrEqual(2);
+      expect(mockRes.json).toHaveBeenCalledWith([...userPlugins, ...cachedTools]);
     });
 
     it('should handle empty toolDefinitions object', async () => {
       mockCache.get.mockResolvedValue(null);
-      // Reset getCachedTools to ensure clean state
-      getCachedTools.mockReset();
-      getCachedTools.mockResolvedValue({});
-      mockReq.config = {}; // No mcpConfig at all
-
-      // Ensure no plugins are available
-      require('~/app/clients/tools').availableTools.length = 0;
-
-      // Reset MCP manager to default state
-      const mockMCPManager = {
-        getAllToolFunctions: jest.fn().mockResolvedValue({}),
-        getRawConfig: jest.fn().mockReturnValue({}),
-      };
-      require('~/config').getMCPManager.mockReturnValue(mockMCPManager);
+      getCachedTools.mockResolvedValueOnce({}).mockResolvedValueOnce({});
+      convertMCPToolsToPlugins.mockReturnValue([]);
+      filterUniquePlugins.mockImplementation((plugins) => plugins || []);
+      getCustomConfig.mockResolvedValue(null);
+      checkPluginAuth.mockReturnValue(true);
 
       await getAvailableTools(mockReq, mockRes);
 
@@ -565,8 +438,8 @@ describe('PluginController', () => {
     });
 
     it('should handle MCP tools without customUserVars', async () => {
-      const appConfig = {
-        mcpConfig: {
+      const customConfig = {
+        mcpServers: {
           'test-server': {
             // No customUserVars defined
           },
@@ -575,59 +448,43 @@ describe('PluginController', () => {
 
       const mockUserTools = {
         [`tool1${Constants.mcp_delimiter}test-server`]: {
-          type: 'function',
-          function: {
-            name: `tool1${Constants.mcp_delimiter}test-server`,
-            description: 'Tool 1',
-            parameters: { type: 'object', properties: {} },
-          },
+          function: { name: 'tool1', description: 'Tool 1' },
         },
       };
 
-      // Mock the MCP manager to return the tools
-      const mockMCPManager = {
-        getAllToolFunctions: jest.fn().mockResolvedValue(mockUserTools),
-        getRawConfig: jest.fn().mockReturnValue({
-          // No customUserVars defined
-        }),
-      };
-      require('~/config').getMCPManager.mockReturnValue(mockMCPManager);
-
       mockCache.get.mockResolvedValue(null);
-      mockReq.config = appConfig;
-      // First call returns empty user tools
-      getCachedTools.mockResolvedValueOnce({});
-
-      // Second call (with includeGlobal: true) returns the tool definitions
+      getCustomConfig.mockResolvedValue(customConfig);
       getCachedTools.mockResolvedValueOnce(mockUserTools);
 
-      // Ensure no plugins in availableTools for clean test
-      require('~/app/clients/tools').availableTools.length = 0;
+      const mockPlugin = {
+        name: 'tool1',
+        pluginKey: `tool1${Constants.mcp_delimiter}test-server`,
+        description: 'Tool 1',
+        authenticated: true,
+        authConfig: [],
+      };
+
+      convertMCPToolsToPlugins.mockReturnValue([mockPlugin]);
+      filterUniquePlugins.mockImplementation((plugins) => plugins);
+      checkPluginAuth.mockReturnValue(true);
+
+      getCachedTools.mockResolvedValueOnce({
+        [`tool1${Constants.mcp_delimiter}test-server`]: true,
+      });
 
       await getAvailableTools(mockReq, mockRes);
 
-      expect(mockRes.status).toHaveBeenCalledWith(200);
       const responseData = mockRes.json.mock.calls[0][0];
-      expect(Array.isArray(responseData)).toBe(true);
-      expect(responseData.length).toBeGreaterThan(0);
-
-      const mcpTool = responseData.find(
-        (tool) => tool.pluginKey === `tool1${Constants.mcp_delimiter}test-server`,
-      );
-
-      expect(mcpTool).toBeDefined();
-      expect(mcpTool.authenticated).toBe(true);
-      // The actual implementation sets authConfig to empty array when no customUserVars
-      expect(mcpTool.authConfig).toEqual([]);
+      expect(responseData[0].authenticated).toBe(true);
+      // The actual implementation doesn't set authConfig on tools without customUserVars
+      expect(responseData[0].authConfig).toEqual([]);
     });
 
-    it('should handle undefined filteredTools and includedTools', async () => {
-      mockReq.config = {};
+    it('should handle req.app.locals with undefined filteredTools and includedTools', async () => {
+      mockReq.app = { locals: {} };
       mockCache.get.mockResolvedValue(null);
-
-      // Configure getAppConfig to return config with undefined properties
-      // The controller will use default values [] for filteredTools and includedTools
-      getAppConfig.mockResolvedValueOnce({});
+      filterUniquePlugins.mockReturnValue([]);
+      checkPluginAuth.mockReturnValue(false);
 
       await getAvailablePluginsController(mockReq, mockRes);
 
@@ -643,21 +500,16 @@ describe('PluginController', () => {
         toolkit: true,
       };
 
-      // No need to mock app.locals anymore as it's not used
-
-      // Add the toolkit to availableTools
-      require('~/app/clients/tools').availableTools.push(mockToolkit);
-
       mockCache.get.mockResolvedValue(null);
-      // First call returns empty object
-      getCachedTools.mockResolvedValueOnce({});
-      mockReq.config = {
-        mcpConfig: null,
-        paths: { structuredTools: '/mock/path' },
-      };
+      getCachedTools.mockResolvedValue({});
+      convertMCPToolsToPlugins.mockReturnValue([]);
+      filterUniquePlugins.mockReturnValue([mockToolkit]);
+      checkPluginAuth.mockReturnValue(false);
+      getToolkitKey.mockReturnValue(undefined);
+      getCustomConfig.mockResolvedValue(null);
 
-      // Second call (with includeGlobal: true) returns empty object to avoid null reference error
-      getCachedTools.mockResolvedValueOnce({});
+      // Mock getCachedTools second call to return null
+      getCachedTools.mockResolvedValueOnce({}).mockResolvedValueOnce(null);
 
       await getAvailableTools(mockReq, mockRes);
 

api/server/controllers/TwoFactorController.js

@@ -47,7 +47,7 @@ const verify2FA = async (req, res) => {
   try {
     const userId = req.user.id;
     const { token, backupCode } = req.body;
-    const user = await getUserById(userId, '_id totpSecret backupCodes');
+    const user = await getUserById(userId);
 
     if (!user || !user.totpSecret) {
       return res.status(400).json({ message: '2FA not initiated' });
@@ -79,7 +79,7 @@ const confirm2FA = async (req, res) => {
   try {
     const userId = req.user.id;
     const { token } = req.body;
-    const user = await getUserById(userId, '_id totpSecret');
+    const user = await getUserById(userId);
 
     if (!user || !user.totpSecret) {
       return res.status(400).json({ message: '2FA not initiated' });
@@ -105,7 +105,7 @@ const disable2FA = async (req, res) => {
   try {
     const userId = req.user.id;
     const { token, backupCode } = req.body;
-    const user = await getUserById(userId, '_id totpSecret backupCodes');
+    const user = await getUserById(userId);
 
     if (!user || !user.totpSecret) {
       return res.status(400).json({ message: '2FA is not setup for this user' });

api/server/controllers/UserController.js

@@ -17,23 +17,15 @@ const { needsRefresh, getNewS3URL } = require('~/server/services/Files/S3/crud')
 const { Tools, Constants, FileSources } = require('librechat-data-provider');
 const { processDeleteRequest } = require('~/server/services/Files/process');
 const { Transaction, Balance, User } = require('~/db/models');
-const { getAppConfig } = require('~/server/services/Config');
 const { deleteToolCalls } = require('~/models/ToolCall');
 const { deleteAllSharedLinks } = require('~/models');
 const { getMCPManager } = require('~/config');
 
 const getUserController = async (req, res) => {
-  const appConfig = await getAppConfig({ role: req.user?.role });
-  /** @type {IUser} */
+  /** @type {MongoUser} */
   const userData = req.user.toObject != null ? req.user.toObject() : { ...req.user };
-  /**
-   * These fields should not exist due to secure field selection, but deletion
-   * is done in case of alternate database incompatibility with Mongo API
-   * */
-  delete userData.password;
   delete userData.totpSecret;
-  delete userData.backupCodes;
-  if (appConfig.fileStrategy === FileSources.s3 && userData.avatar) {
+  if (req.app.locals.fileStrategy === FileSources.s3 && userData.avatar) {
     const avatarNeedsRefresh = needsRefresh(userData.avatar, 3600);
     if (!avatarNeedsRefresh) {
       return res.status(200).send(userData);
@@ -89,7 +81,6 @@ const deleteUserFiles = async (req) => {
 };
 
 const updateUserPluginsController = async (req, res) => {
-  const appConfig = await getAppConfig({ role: req.user?.role });
   const { user } = req;
   const { pluginKey, action, auth, isEntityTool } = req.body;
   try {
@@ -134,7 +125,7 @@ const updateUserPluginsController = async (req, res) => {
 
     if (pluginKey === Tools.web_search) {
       /** @type  {TCustomConfig['webSearch']} */
-      const webSearchConfig = appConfig?.webSearch;
+      const webSearchConfig = req.app.locals?.webSearch;
       keys = extractWebSearchEnvVars({
         keys: action === 'install' ? keys : webSearchKeys,
         config: webSearchConfig,

api/server/controllers/agents/callbacks.js

@@ -246,7 +246,6 @@ function createToolEndCallback({ req, res, artifactPromises }) {
           const attachment = await processFileCitations({
             user,
             metadata,
-            appConfig: req.config,
             toolArtifact: output.artifact,
             toolCallId: output.tool_call_id,
           });

api/server/controllers/agents/client.js

@@ -7,13 +7,9 @@ const {
   createRun,
   Tokenizer,
   checkAccess,
-  getBalanceConfig,
   memoryInstructions,
   formatContentStrings,
   createMemoryProcessor,
-  encodeAndFormatAudios,
-  encodeAndFormatVideos,
-  encodeAndFormatDocuments,
 } = require('@librechat/api');
 const {
   Callback,
@@ -36,21 +32,23 @@ const {
   AgentCapabilities,
   bedrockInputSchema,
   removeNullishValues,
-  isDocumentSupportedEndpoint,
 } = require('librechat-data-provider');
+const {
+  findPluginAuthsByKeys,
+  getFormattedMemories,
+  deleteMemory,
+  setMemory,
+} = require('~/models');
+const { getMCPAuthMap, checkCapability, hasCustomUserVars } = require('~/server/services/Config');
 const { addCacheControl, createContextHandlers } = require('~/app/clients/prompts');
 const { initializeAgent } = require('~/server/services/Endpoints/agents/agent');
 const { spendTokens, spendStructuredTokens } = require('~/models/spendTokens');
-const { getFormattedMemories, deleteMemory, setMemory } = require('~/models');
 const { encodeAndFormat } = require('~/server/services/Files/images/encode');
 const { getProviderConfig } = require('~/server/services/Endpoints');
-const { getStrategyFunctions } = require('~/server/services/Files');
-const { checkCapability } = require('~/server/services/Config');
 const BaseClient = require('~/app/clients/BaseClient');
 const { getRoleByName } = require('~/models/Role');
 const { loadAgent } = require('~/models/Agent');
 const { getMCPManager } = require('~/config');
-const { getFiles } = require('~/models');
 
 const omitTitleOptions = new Set([
   'stream',
@@ -228,168 +226,6 @@ class AgentClient extends BaseClient {
     return files;
   }
 
-  async addDocuments(message, attachments) {
-    const documentResult = await encodeAndFormatDocuments(
-      this.options.req,
-      attachments,
-      this.options.agent.provider,
-      getStrategyFunctions,
-    );
-    message.documents =
-      documentResult.documents && documentResult.documents.length
-        ? documentResult.documents
-        : undefined;
-    return documentResult.files;
-  }
-
-  async addVideos(message, attachments) {
-    const videoResult = await encodeAndFormatVideos(
-      this.options.req,
-      attachments,
-      this.options.agent.provider,
-      getStrategyFunctions,
-    );
-    message.videos =
-      videoResult.videos && videoResult.videos.length ? videoResult.videos : undefined;
-    return videoResult.files;
-  }
-
-  async addAudios(message, attachments) {
-    const audioResult = await encodeAndFormatAudios(
-      this.options.req,
-      attachments,
-      this.options.agent.provider,
-      getStrategyFunctions,
-    );
-    message.audios =
-      audioResult.audios && audioResult.audios.length ? audioResult.audios : undefined;
-    return audioResult.files;
-  }
-
-  /**
-   * Override addPreviousAttachments to handle all file types, not just images
-   * @param {TMessage[]} _messages
-   * @returns {Promise<TMessage[]>}
-   */
-  async addPreviousAttachments(_messages) {
-    if (!this.options.resendFiles) {
-      return _messages;
-    }
-
-    const seen = new Set();
-    const attachmentsProcessed =
-      this.options.attachments && !(this.options.attachments instanceof Promise);
-    if (attachmentsProcessed) {
-      for (const attachment of this.options.attachments) {
-        seen.add(attachment.file_id);
-      }
-    }
-
-    /**
-     *
-     * @param {TMessage} message
-     */
-    const processMessage = async (message) => {
-      if (!this.message_file_map) {
-        /** @type {Record<string, MongoFile[]> */
-        this.message_file_map = {};
-      }
-
-      const fileIds = [];
-      for (const file of message.files) {
-        if (seen.has(file.file_id)) {
-          continue;
-        }
-        fileIds.push(file.file_id);
-        seen.add(file.file_id);
-      }
-
-      if (fileIds.length === 0) {
-        return message;
-      }
-
-      const files = await getFiles(
-        {
-          file_id: { $in: fileIds },
-        },
-        {},
-        {},
-      );
-
-      await this.processAttachments(message, files);
-
-      this.message_file_map[message.messageId] = files;
-      return message;
-    };
-
-    const promises = [];
-
-    for (const message of _messages) {
-      if (!message.files) {
-        promises.push(message);
-        continue;
-      }
-
-      promises.push(processMessage(message));
-    }
-
-    const messages = await Promise.all(promises);
-
-    this.checkVisionRequest(Object.values(this.message_file_map ?? {}).flat());
-    return messages;
-  }
-
-  async processAttachments(message, attachments) {
-    const categorizedAttachments = {
-      images: [],
-      documents: [],
-      videos: [],
-      audios: [],
-    };
-
-    for (const file of attachments) {
-      if (file.type.startsWith('image/')) {
-        categorizedAttachments.images.push(file);
-      } else if (file.type === 'application/pdf') {
-        categorizedAttachments.documents.push(file);
-      } else if (file.type.startsWith('video/')) {
-        categorizedAttachments.videos.push(file);
-      } else if (file.type.startsWith('audio/')) {
-        categorizedAttachments.audios.push(file);
-      }
-    }
-
-    const [imageFiles, documentFiles, videoFiles, audioFiles] = await Promise.all([
-      categorizedAttachments.images.length > 0
-        ? this.addImageURLs(message, categorizedAttachments.images)
-        : Promise.resolve([]),
-      categorizedAttachments.documents.length > 0
-        ? this.addDocuments(message, categorizedAttachments.documents)
-        : Promise.resolve([]),
-      categorizedAttachments.videos.length > 0
-        ? this.addVideos(message, categorizedAttachments.videos)
-        : Promise.resolve([]),
-      categorizedAttachments.audios.length > 0
-        ? this.addAudios(message, categorizedAttachments.audios)
-        : Promise.resolve([]),
-    ]);
-
-    const allFiles = [...imageFiles, ...documentFiles, ...videoFiles, ...audioFiles];
-    const seenFileIds = new Set();
-    const uniqueFiles = [];
-
-    for (const file of allFiles) {
-      if (file.file_id && !seenFileIds.has(file.file_id)) {
-        seenFileIds.add(file.file_id);
-        uniqueFiles.push(file);
-      } else if (!file.file_id) {
-        uniqueFiles.push(file);
-      }
-    }
-
-    return uniqueFiles;
-  }
-
   async buildMessages(
     messages,
     parentMessageId,
@@ -423,7 +259,7 @@ class AgentClient extends BaseClient {
         };
       }
 
-      const files = await this.processAttachments(
+      const files = await this.addImageURLs(
         orderedMessages[orderedMessages.length - 1],
         attachments,
       );
@@ -446,47 +282,6 @@ class AgentClient extends BaseClient {
         assistantName: this.options?.modelLabel,
       });
 
-      const hasFiles =
-        (message.documents && message.documents.length > 0) ||
-        (message.videos && message.videos.length > 0) ||
-        (message.audios && message.audios.length > 0) ||
-        (message.image_urls && message.image_urls.length > 0);
-
-      if (
-        hasFiles &&
-        message.isCreatedByUser &&
-        isDocumentSupportedEndpoint(this.options.agent.provider)
-      ) {
-        const contentParts = [];
-
-        if (message.documents && message.documents.length > 0) {
-          contentParts.push(...message.documents);
-        }
-
-        if (message.videos && message.videos.length > 0) {
-          contentParts.push(...message.videos);
-        }
-
-        if (message.audios && message.audios.length > 0) {
-          contentParts.push(...message.audios);
-        }
-
-        if (message.image_urls && message.image_urls.length > 0) {
-          contentParts.push(...message.image_urls);
-        }
-
-        if (typeof formattedMessage.content === 'string') {
-          contentParts.push({ type: 'text', text: formattedMessage.content });
-        } else {
-          const textPart = formattedMessage.content.find((part) => part.type === 'text');
-          if (textPart) {
-            contentParts.push(textPart);
-          }
-        }
-
-        formattedMessage.content = contentParts;
-      }
-
       if (message.ocr && i !== orderedMessages.length - 1) {
         if (typeof formattedMessage.content === 'string') {
           formattedMessage.content = message.ocr + '\n' + formattedMessage.content;
@@ -656,8 +451,8 @@ class AgentClient extends BaseClient {
       );
       return;
     }
-    const appConfig = this.options.req.config;
-    const memoryConfig = appConfig.memory;
+    /** @type {TCustomConfig['memory']} */
+    const memoryConfig = this.options.req?.app?.locals?.memory;
     if (!memoryConfig || memoryConfig.disabled === true) {
       return;
     }
@@ -665,7 +460,7 @@ class AgentClient extends BaseClient {
     /** @type {Agent} */
     let prelimAgent;
     const allowedProviders = new Set(
-      appConfig?.endpoints?.[EModelEndpoint.agents]?.allowedProviders,
+      this.options.req?.app?.locals?.[EModelEndpoint.agents]?.allowedProviders,
     );
     try {
       if (memoryConfig.agent?.id != null && memoryConfig.agent.id !== this.options.agent.id) {
@@ -787,8 +582,8 @@ class AgentClient extends BaseClient {
       if (this.processMemory == null) {
         return;
       }
-      const appConfig = this.options.req.config;
-      const memoryConfig = appConfig.memory;
+      /** @type {TCustomConfig['memory']} */
+      const memoryConfig = this.options.req?.app?.locals?.memory;
       const messageWindowSize = memoryConfig?.messageWindowSize ?? 5;
 
       let messagesToProcess = [...messages];
@@ -820,7 +615,6 @@ class AgentClient extends BaseClient {
     await this.chatCompletion({
       payload,
       onProgress: opts.onProgress,
-      userMCPAuthMap: opts.userMCPAuthMap,
       abortController: opts.abortController,
     });
     return this.contentParts;
@@ -830,15 +624,9 @@ class AgentClient extends BaseClient {
    * @param {Object} params
    * @param {string} [params.model]
    * @param {string} [params.context='message']
-   * @param {AppConfig['balance']} [params.balance]
    * @param {UsageMetadata[]} [params.collectedUsage=this.collectedUsage]
    */
-  async recordCollectedUsage({
-    model,
-    balance,
-    context = 'message',
-    collectedUsage = this.collectedUsage,
-  }) {
+  async recordCollectedUsage({ model, context = 'message', collectedUsage = this.collectedUsage }) {
     if (!collectedUsage || !collectedUsage.length) {
       return;
     }
@@ -860,7 +648,6 @@ class AgentClient extends BaseClient {
 
       const txMetadata = {
         context,
-        balance,
         conversationId: this.conversationId,
         user: this.user ?? this.options.req.user?.id,
         endpointTokenConfig: this.options.endpointTokenConfig,
@@ -960,13 +747,7 @@ class AgentClient extends BaseClient {
     return currentMessageTokens > 0 ? currentMessageTokens : originalEstimate;
   }
 
-  /**
-   * @param {object} params
-   * @param {string | ChatCompletionMessageParam[]} params.payload
-   * @param {Record<string, Record<string, string>>} [params.userMCPAuthMap]
-   * @param {AbortController} [params.abortController]
-   */
-  async chatCompletion({ payload, userMCPAuthMap, abortController = null }) {
+  async chatCompletion({ payload, abortController = null }) {
     /** @type {Partial<GraphRunnableConfig>} */
     let config;
     /** @type {ReturnType<createRun>} */
@@ -978,9 +759,8 @@ class AgentClient extends BaseClient {
         abortController = new AbortController();
       }
 
-      const appConfig = this.options.req.config;
-      /** @type {AppConfig['endpoints']['agents']} */
-      const agentsEConfig = appConfig.endpoints?.[EModelEndpoint.agents];
+      /** @type {TCustomConfig['endpoints']['agents']} */
+      const agentsEConfig = this.options.req.app.locals[EModelEndpoint.agents];
 
       config = {
         configurable: {
@@ -988,11 +768,6 @@ class AgentClient extends BaseClient {
           last_agent_index: this.agentConfigs?.size ?? 0,
           user_id: this.user ?? this.options.req.user?.id,
           hide_sequential_outputs: this.options.agent.hide_sequential_outputs,
-          requestBody: {
-            messageId: this.responseMessageId,
-            conversationId: this.conversationId,
-            parentMessageId: this.parentMessageId,
-          },
           user: this.options.req.user,
         },
         recursionLimit: agentsEConfig?.recursionLimit ?? 25,
@@ -1002,7 +777,6 @@ class AgentClient extends BaseClient {
       };
 
       const toolSet = new Set((this.options.agent.tools ?? []).map((tool) => tool && tool.name));
-
       let { messages: initialMessages, indexTokenCountMap } = formatAgentMessages(
         payload,
         this.indexTokenCountMap,
@@ -1124,9 +898,21 @@ class AgentClient extends BaseClient {
           run.Graph.contentData = contentData;
         }
 
-        if (userMCPAuthMap != null) {
-          config.configurable.userMCPAuthMap = userMCPAuthMap;
+        try {
+          if (await hasCustomUserVars()) {
+            config.configurable.userMCPAuthMap = await getMCPAuthMap({
+              tools: agent.tools,
+              userId: this.options.req.user.id,
+              findPluginAuthsByKeys,
+            });
+          }
+        } catch (err) {
+          logger.error(
+            `[api/server/controllers/agents/client.js #chatCompletion] Error getting custom user vars for agent ${agent.id}`,
+            err,
+          );
         }
+
         await run.processStream({ messages }, config, {
           keepContent: i !== 0,
           tokenCounter: createTokenCounter(this.getEncoding()),
@@ -1249,8 +1035,7 @@ class AgentClient extends BaseClient {
           this.artifactPromises.push(...attachments);
         }
 
-        const balanceConfig = getBalanceConfig(appConfig);
-        await this.recordCollectedUsage({ context: 'message', balance: balanceConfig });
+        await this.recordCollectedUsage({ context: 'message' });
       } catch (err) {
         logger.error(
           '[api/server/controllers/agents/client.js #chatCompletion] Error recording collected usage',
@@ -1291,21 +1076,19 @@ class AgentClient extends BaseClient {
     }
     const { handleLLMEnd, collected: collectedMetadata } = createMetadataAggregator();
     const { req, res, agent } = this.options;
-    const appConfig = req.config;
     let endpoint = agent.endpoint;
 
     /** @type {import('@librechat/agents').ClientOptions} */
     let clientOptions = {
+      maxTokens: 75,
       model: agent.model || agent.model_parameters.model,
     };
 
-    let titleProviderConfig = getProviderConfig({ provider: endpoint, appConfig });
+    let titleProviderConfig = await getProviderConfig(endpoint);
 
     /** @type {TEndpoint | undefined} */
     const endpointConfig =
-      appConfig.endpoints?.all ??
-      appConfig.endpoints?.[endpoint] ??
-      titleProviderConfig.customEndpointConfig;
+      req.app.locals.all ?? req.app.locals[endpoint] ?? titleProviderConfig.customEndpointConfig;
     if (!endpointConfig) {
       logger.warn(
         '[api/server/controllers/agents/client.js #titleConvo] Error getting endpoint config',
@@ -1314,10 +1097,7 @@ class AgentClient extends BaseClient {
 
     if (endpointConfig?.titleEndpoint && endpointConfig.titleEndpoint !== endpoint) {
       try {
-        titleProviderConfig = getProviderConfig({
-          provider: endpointConfig.titleEndpoint,
-          appConfig,
-        });
+        titleProviderConfig = await getProviderConfig(endpointConfig.titleEndpoint);
         endpoint = endpointConfig.titleEndpoint;
       } catch (error) {
         logger.warn(
@@ -1326,7 +1106,7 @@ class AgentClient extends BaseClient {
         );
         // Fall back to original provider config
         endpoint = agent.endpoint;
-        titleProviderConfig = getProviderConfig({ provider: endpoint, appConfig });
+        titleProviderConfig = await getProviderConfig(endpoint);
       }
     }
 
@@ -1367,13 +1147,15 @@ class AgentClient extends BaseClient {
       clientOptions.configuration = options.configOptions;
     }
 
-    if (clientOptions.maxTokens != null) {
+    const shouldRemoveMaxTokens = /\b(o\d|gpt-[5-9])\b/i.test(clientOptions.model);
+    if (shouldRemoveMaxTokens && clientOptions.maxTokens != null) {
       delete clientOptions.maxTokens;
+    } else if (!shouldRemoveMaxTokens && !clientOptions.maxTokens) {
+      clientOptions.maxTokens = 75;
     }
-    if (clientOptions?.modelKwargs?.max_completion_tokens != null) {
+    if (shouldRemoveMaxTokens && clientOptions?.modelKwargs?.max_completion_tokens != null) {
       delete clientOptions.modelKwargs.max_completion_tokens;
-    }
-    if (clientOptions?.modelKwargs?.max_output_tokens != null) {
+    } else if (shouldRemoveMaxTokens && clientOptions?.modelKwargs?.max_output_tokens != null) {
       delete clientOptions.modelKwargs.max_output_tokens;
     }
 
@@ -1429,12 +1211,10 @@ class AgentClient extends BaseClient {
         };
       });
 
-      const balanceConfig = getBalanceConfig(appConfig);
       await this.recordCollectedUsage({
-        collectedUsage,
-        context: 'title',
         model: clientOptions.model,
-        balance: balanceConfig,
+        context: 'title',
+        collectedUsage,
       }).catch((err) => {
         logger.error(
           '[api/server/controllers/agents/client.js #titleConvo] Error recording collected usage',
@@ -1453,26 +1233,17 @@ class AgentClient extends BaseClient {
    * @param {object} params
    * @param {number} params.promptTokens
    * @param {number} params.completionTokens
-   * @param {string} [params.model]
    * @param {OpenAIUsageMetadata} [params.usage]
-   * @param {AppConfig['balance']} [params.balance]
+   * @param {string} [params.model]
    * @param {string} [params.context='message']
    * @returns {Promise<void>}
    */
-  async recordTokenUsage({
-    model,
-    usage,
-    balance,
-    promptTokens,
-    completionTokens,
-    context = 'message',
-  }) {
+  async recordTokenUsage({ model, promptTokens, completionTokens, usage, context = 'message' }) {
     try {
       await spendTokens(
         {
           model,
           context,
-          balance,
           conversationId: this.conversationId,
           user: this.user ?? this.options.req.user?.id,
           endpointTokenConfig: this.options.endpointTokenConfig,
@@ -1489,7 +1260,6 @@ class AgentClient extends BaseClient {
         await spendTokens(
           {
             model,
-            balance,
             context: 'reasoning',
             conversationId: this.conversationId,
             user: this.user ?? this.options.req.user?.id,

api/server/controllers/agents/client.test.js

@@ -41,16 +41,8 @@ describe('AgentClient - titleConvo', () => {
 
     // Mock request and response
     mockReq = {
-      user: {
-        id: 'user-123',
-      },
-      body: {
-        model: 'gpt-4',
-        endpoint: EModelEndpoint.openAI,
-        key: null,
-      },
-      config: {
-        endpoints: {
+      app: {
+        locals: {
           [EModelEndpoint.openAI]: {
             // Match the agent endpoint
             titleModel: 'gpt-3.5-turbo',
@@ -60,6 +52,14 @@ describe('AgentClient - titleConvo', () => {
           },
         },
       },
+      user: {
+        id: 'user-123',
+      },
+      body: {
+        model: 'gpt-4',
+        endpoint: EModelEndpoint.openAI,
+        key: null,
+      },
     };
 
     mockRes = {};
@@ -143,7 +143,7 @@ describe('AgentClient - titleConvo', () => {
 
     it('should handle missing endpoint config gracefully', async () => {
       // Remove endpoint config
-      mockReq.config = { endpoints: {} };
+      mockReq.app.locals[EModelEndpoint.openAI] = undefined;
 
       const text = 'Test conversation text';
       const abortController = new AbortController();
@@ -161,16 +161,7 @@ describe('AgentClient - titleConvo', () => {
 
     it('should use agent model when titleModel is not provided', async () => {
       // Remove titleModel from config
-      mockReq.config = {
-        endpoints: {
-          [EModelEndpoint.openAI]: {
-            titlePrompt: 'Custom title prompt',
-            titleMethod: 'structured',
-            titlePromptTemplate: 'Template: {{content}}',
-            // titleModel is omitted
-          },
-        },
-      };
+      delete mockReq.app.locals[EModelEndpoint.openAI].titleModel;
 
       const text = 'Test conversation text';
       const abortController = new AbortController();
@@ -182,16 +173,7 @@ describe('AgentClient - titleConvo', () => {
     });
 
     it('should not use titleModel when it equals CURRENT_MODEL constant', async () => {
-      mockReq.config = {
-        endpoints: {
-          [EModelEndpoint.openAI]: {
-            titleModel: Constants.CURRENT_MODEL,
-            titlePrompt: 'Custom title prompt',
-            titleMethod: 'structured',
-            titlePromptTemplate: 'Template: {{content}}',
-          },
-        },
-      };
+      mockReq.app.locals[EModelEndpoint.openAI].titleModel = Constants.CURRENT_MODEL;
 
       const text = 'Test conversation text';
       const abortController = new AbortController();
@@ -234,9 +216,6 @@ describe('AgentClient - titleConvo', () => {
         model: 'gpt-3.5-turbo',
         context: 'title',
         collectedUsage: expect.any(Array),
-        balance: {
-          enabled: false,
-        },
       });
     });
 
@@ -266,17 +245,10 @@ describe('AgentClient - titleConvo', () => {
       process.env.ANTHROPIC_API_KEY = 'test-api-key';
 
       // Add titleEndpoint to the config
-      mockReq.config = {
-        endpoints: {
-          [EModelEndpoint.openAI]: {
-            titleModel: 'gpt-3.5-turbo',
-            titleEndpoint: EModelEndpoint.anthropic,
-            titleMethod: 'structured',
-            titlePrompt: 'Custom title prompt',
-            titlePromptTemplate: 'Custom template',
-          },
-        },
-      };
+      mockReq.app.locals[EModelEndpoint.openAI].titleEndpoint = EModelEndpoint.anthropic;
+      mockReq.app.locals[EModelEndpoint.openAI].titleMethod = 'structured';
+      mockReq.app.locals[EModelEndpoint.openAI].titlePrompt = 'Custom title prompt';
+      mockReq.app.locals[EModelEndpoint.openAI].titlePromptTemplate = 'Custom template';
 
       const text = 'Test conversation text';
       const abortController = new AbortController();
@@ -302,16 +274,18 @@ describe('AgentClient - titleConvo', () => {
     });
 
     it('should use all config when endpoint config is missing', async () => {
-      // Set 'all' config without endpoint-specific config
-      mockReq.config = {
-        endpoints: {
-          all: {
-            titleModel: 'gpt-4o-mini',
-            titlePrompt: 'All config title prompt',
-            titleMethod: 'completion',
-            titlePromptTemplate: 'All config template: {{content}}',
-          },
-        },
+      // Remove endpoint-specific config
+      delete mockReq.app.locals[EModelEndpoint.openAI].titleModel;
+      delete mockReq.app.locals[EModelEndpoint.openAI].titlePrompt;
+      delete mockReq.app.locals[EModelEndpoint.openAI].titleMethod;
+      delete mockReq.app.locals[EModelEndpoint.openAI].titlePromptTemplate;
+
+      // Set 'all' config
+      mockReq.app.locals.all = {
+        titleModel: 'gpt-4o-mini',
+        titlePrompt: 'All config title prompt',
+        titleMethod: 'completion',
+        titlePromptTemplate: 'All config template: {{content}}',
       };
 
       const text = 'Test conversation text';
@@ -335,21 +309,17 @@ describe('AgentClient - titleConvo', () => {
 
     it('should prioritize all config over endpoint config for title settings', async () => {
       // Set both endpoint and 'all' config
-      mockReq.config = {
-        endpoints: {
-          [EModelEndpoint.openAI]: {
-            titleModel: 'gpt-3.5-turbo',
-            titlePrompt: 'Endpoint title prompt',
-            titleMethod: 'structured',
-            // titlePromptTemplate is omitted to test fallback
-          },
-          all: {
-            titleModel: 'gpt-4o-mini',
-            titlePrompt: 'All config title prompt',
-            titleMethod: 'completion',
-            titlePromptTemplate: 'All config template',
-          },
-        },
+      mockReq.app.locals[EModelEndpoint.openAI].titleModel = 'gpt-3.5-turbo';
+      mockReq.app.locals[EModelEndpoint.openAI].titlePrompt = 'Endpoint title prompt';
+      mockReq.app.locals[EModelEndpoint.openAI].titleMethod = 'structured';
+      // Remove titlePromptTemplate from endpoint config to test fallback
+      delete mockReq.app.locals[EModelEndpoint.openAI].titlePromptTemplate;
+
+      mockReq.app.locals.all = {
+        titleModel: 'gpt-4o-mini',
+        titlePrompt: 'All config title prompt',
+        titleMethod: 'completion',
+        titlePromptTemplate: 'All config template',
       };
 
       const text = 'Test conversation text';
@@ -376,18 +346,17 @@ describe('AgentClient - titleConvo', () => {
       const originalApiKey = process.env.ANTHROPIC_API_KEY;
       process.env.ANTHROPIC_API_KEY = 'test-anthropic-key';
 
+      // Remove endpoint-specific config to test 'all' config
+      delete mockReq.app.locals[EModelEndpoint.openAI];
+
       // Set comprehensive 'all' config with all new title options
-      mockReq.config = {
-        endpoints: {
-          all: {
-            titleConvo: true,
-            titleModel: 'claude-3-haiku-20240307',
-            titleMethod: 'completion', // Testing the new default method
-            titlePrompt: 'Generate a concise, descriptive title for this conversation',
-            titlePromptTemplate: 'Conversation summary: {{content}}',
-            titleEndpoint: EModelEndpoint.anthropic, // Should switch provider to Anthropic
-          },
-        },
+      mockReq.app.locals.all = {
+        titleConvo: true,
+        titleModel: 'claude-3-haiku-20240307',
+        titleMethod: 'completion', // Testing the new default method
+        titlePrompt: 'Generate a concise, descriptive title for this conversation',
+        titlePromptTemplate: 'Conversation summary: {{content}}',
+        titleEndpoint: EModelEndpoint.anthropic, // Should switch provider to Anthropic
       };
 
       const text = 'Test conversation about AI and machine learning';
@@ -433,16 +402,15 @@ describe('AgentClient - titleConvo', () => {
         // Clear previous calls
         mockRun.generateTitle.mockClear();
 
+        // Remove endpoint config
+        delete mockReq.app.locals[EModelEndpoint.openAI];
+
         // Set 'all' config with specific titleMethod
-        mockReq.config = {
-          endpoints: {
-            all: {
-              titleModel: 'gpt-4o-mini',
-              titleMethod: method,
-              titlePrompt: `Testing ${method} method`,
-              titlePromptTemplate: `Template for ${method}: {{content}}`,
-            },
-          },
+        mockReq.app.locals.all = {
+          titleModel: 'gpt-4o-mini',
+          titleMethod: method,
+          titlePrompt: `Testing ${method} method`,
+          titlePromptTemplate: `Template for ${method}: {{content}}`,
         };
 
         const text = `Test conversation for ${method} method`;
@@ -487,33 +455,29 @@ describe('AgentClient - titleConvo', () => {
         // Set up Azure endpoint with serverless config
         mockAgent.endpoint = EModelEndpoint.azureOpenAI;
         mockAgent.provider = EModelEndpoint.azureOpenAI;
-        mockReq.config = {
-          endpoints: {
-            [EModelEndpoint.azureOpenAI]: {
-              titleConvo: true,
-              titleModel: 'grok-3',
-              titleMethod: 'completion',
-              titlePrompt: 'Azure serverless title prompt',
-              streamRate: 35,
-              modelGroupMap: {
+        mockReq.app.locals[EModelEndpoint.azureOpenAI] = {
+          titleConvo: true,
+          titleModel: 'grok-3',
+          titleMethod: 'completion',
+          titlePrompt: 'Azure serverless title prompt',
+          streamRate: 35,
+          modelGroupMap: {
+            'grok-3': {
+              group: 'Azure AI Foundry',
+              deploymentName: 'grok-3',
+            },
+          },
+          groupMap: {
+            'Azure AI Foundry': {
+              apiKey: '${AZURE_API_KEY}',
+              baseURL: 'https://test.services.ai.azure.com/models',
+              version: '2024-05-01-preview',
+              serverless: true,
+              models: {
                 'grok-3': {
-                  group: 'Azure AI Foundry',
                   deploymentName: 'grok-3',
                 },
               },
-              groupMap: {
-                'Azure AI Foundry': {
-                  apiKey: '${AZURE_API_KEY}',
-                  baseURL: 'https://test.services.ai.azure.com/models',
-                  version: '2024-05-01-preview',
-                  serverless: true,
-                  models: {
-                    'grok-3': {
-                      deploymentName: 'grok-3',
-                    },
-                  },
-                },
-              },
             },
           },
         };
@@ -539,32 +503,28 @@ describe('AgentClient - titleConvo', () => {
         // Set up Azure endpoint
         mockAgent.endpoint = EModelEndpoint.azureOpenAI;
         mockAgent.provider = EModelEndpoint.azureOpenAI;
-        mockReq.config = {
-          endpoints: {
-            [EModelEndpoint.azureOpenAI]: {
-              titleConvo: true,
-              titleModel: 'gpt-4o',
-              titleMethod: 'structured',
-              titlePrompt: 'Azure instance title prompt',
-              streamRate: 35,
-              modelGroupMap: {
+        mockReq.app.locals[EModelEndpoint.azureOpenAI] = {
+          titleConvo: true,
+          titleModel: 'gpt-4o',
+          titleMethod: 'structured',
+          titlePrompt: 'Azure instance title prompt',
+          streamRate: 35,
+          modelGroupMap: {
+            'gpt-4o': {
+              group: 'eastus',
+              deploymentName: 'gpt-4o',
+            },
+          },
+          groupMap: {
+            eastus: {
+              apiKey: '${EASTUS_API_KEY}',
+              instanceName: 'region-instance',
+              version: '2024-02-15-preview',
+              models: {
                 'gpt-4o': {
-                  group: 'eastus',
                   deploymentName: 'gpt-4o',
                 },
               },
-              groupMap: {
-                eastus: {
-                  apiKey: '${EASTUS_API_KEY}',
-                  instanceName: 'region-instance',
-                  version: '2024-02-15-preview',
-                  models: {
-                    'gpt-4o': {
-                      deploymentName: 'gpt-4o',
-                    },
-                  },
-                },
-              },
             },
           },
         };
@@ -591,33 +551,29 @@ describe('AgentClient - titleConvo', () => {
         mockAgent.endpoint = EModelEndpoint.azureOpenAI;
         mockAgent.provider = EModelEndpoint.azureOpenAI;
         mockAgent.model_parameters.model = 'gpt-4o-latest';
-        mockReq.config = {
-          endpoints: {
-            [EModelEndpoint.azureOpenAI]: {
-              titleConvo: true,
-              titleModel: Constants.CURRENT_MODEL,
-              titleMethod: 'functions',
-              streamRate: 35,
-              modelGroupMap: {
+        mockReq.app.locals[EModelEndpoint.azureOpenAI] = {
+          titleConvo: true,
+          titleModel: Constants.CURRENT_MODEL,
+          titleMethod: 'functions',
+          streamRate: 35,
+          modelGroupMap: {
+            'gpt-4o-latest': {
+              group: 'region-eastus',
+              deploymentName: 'gpt-4o-mini',
+              version: '2024-02-15-preview',
+            },
+          },
+          groupMap: {
+            'region-eastus': {
+              apiKey: '${EASTUS2_API_KEY}',
+              instanceName: 'test-instance',
+              version: '2024-12-01-preview',
+              models: {
                 'gpt-4o-latest': {
-                  group: 'region-eastus',
                   deploymentName: 'gpt-4o-mini',
                   version: '2024-02-15-preview',
                 },
               },
-              groupMap: {
-                'region-eastus': {
-                  apiKey: '${EASTUS2_API_KEY}',
-                  instanceName: 'test-instance',
-                  version: '2024-12-01-preview',
-                  models: {
-                    'gpt-4o-latest': {
-                      deploymentName: 'gpt-4o-mini',
-                      version: '2024-02-15-preview',
-                    },
-                  },
-                },
-              },
             },
           },
         };
@@ -642,58 +598,54 @@ describe('AgentClient - titleConvo', () => {
         // Set up Azure endpoint
         mockAgent.endpoint = EModelEndpoint.azureOpenAI;
         mockAgent.provider = EModelEndpoint.azureOpenAI;
-        mockReq.config = {
-          endpoints: {
-            [EModelEndpoint.azureOpenAI]: {
-              titleConvo: true,
-              titleModel: 'o1-mini',
-              titleMethod: 'completion',
-              streamRate: 35,
-              modelGroupMap: {
+        mockReq.app.locals[EModelEndpoint.azureOpenAI] = {
+          titleConvo: true,
+          titleModel: 'o1-mini',
+          titleMethod: 'completion',
+          streamRate: 35,
+          modelGroupMap: {
+            'gpt-4o': {
+              group: 'eastus',
+              deploymentName: 'gpt-4o',
+            },
+            'o1-mini': {
+              group: 'region-eastus',
+              deploymentName: 'o1-mini',
+            },
+            'codex-mini': {
+              group: 'codex-mini',
+              deploymentName: 'codex-mini',
+            },
+          },
+          groupMap: {
+            eastus: {
+              apiKey: '${EASTUS_API_KEY}',
+              instanceName: 'region-eastus',
+              version: '2024-02-15-preview',
+              models: {
                 'gpt-4o': {
-                  group: 'eastus',
                   deploymentName: 'gpt-4o',
                 },
+              },
+            },
+            'region-eastus': {
+              apiKey: '${EASTUS2_API_KEY}',
+              instanceName: 'region-eastus2',
+              version: '2024-12-01-preview',
+              models: {
                 'o1-mini': {
-                  group: 'region-eastus',
                   deploymentName: 'o1-mini',
                 },
-                'codex-mini': {
-                  group: 'codex-mini',
-                  deploymentName: 'codex-mini',
-                },
               },
-              groupMap: {
-                eastus: {
-                  apiKey: '${EASTUS_API_KEY}',
-                  instanceName: 'region-eastus',
-                  version: '2024-02-15-preview',
-                  models: {
-                    'gpt-4o': {
-                      deploymentName: 'gpt-4o',
-                    },
-                  },
-                },
-                'region-eastus': {
-                  apiKey: '${EASTUS2_API_KEY}',
-                  instanceName: 'region-eastus2',
-                  version: '2024-12-01-preview',
-                  models: {
-                    'o1-mini': {
-                      deploymentName: 'o1-mini',
-                    },
-                  },
-                },
+            },
+            'codex-mini': {
+              apiKey: '${AZURE_API_KEY}',
+              baseURL: 'https://example.cognitiveservices.azure.com/openai/',
+              version: '2025-04-01-preview',
+              serverless: true,
+              models: {
                 'codex-mini': {
-                  apiKey: '${AZURE_API_KEY}',
-                  baseURL: 'https://example.cognitiveservices.azure.com/openai/',
-                  version: '2025-04-01-preview',
-                  serverless: true,
-                  models: {
-                    'codex-mini': {
-                      deploymentName: 'codex-mini',
-                    },
-                  },
+                  deploymentName: 'codex-mini',
                 },
               },
             },
@@ -727,34 +679,33 @@ describe('AgentClient - titleConvo', () => {
         mockReq.body.endpoint = EModelEndpoint.azureOpenAI;
         mockReq.body.model = 'gpt-4';
 
+        // Remove Azure-specific config
+        delete mockReq.app.locals[EModelEndpoint.azureOpenAI];
+
         // Set 'all' config as fallback with a serverless Azure config
-        mockReq.config = {
-          endpoints: {
-            all: {
-              titleConvo: true,
-              titleModel: 'gpt-4',
-              titleMethod: 'structured',
-              titlePrompt: 'Fallback title prompt from all config',
-              titlePromptTemplate: 'Template: {{content}}',
-              modelGroupMap: {
+        mockReq.app.locals.all = {
+          titleConvo: true,
+          titleModel: 'gpt-4',
+          titleMethod: 'structured',
+          titlePrompt: 'Fallback title prompt from all config',
+          titlePromptTemplate: 'Template: {{content}}',
+          modelGroupMap: {
+            'gpt-4': {
+              group: 'default-group',
+              deploymentName: 'gpt-4',
+            },
+          },
+          groupMap: {
+            'default-group': {
+              apiKey: '${AZURE_API_KEY}',
+              baseURL: 'https://default.openai.azure.com/',
+              version: '2024-02-15-preview',
+              serverless: true,
+              models: {
                 'gpt-4': {
-                  group: 'default-group',
                   deploymentName: 'gpt-4',
                 },
               },
-              groupMap: {
-                'default-group': {
-                  apiKey: '${AZURE_API_KEY}',
-                  baseURL: 'https://default.openai.azure.com/',
-                  version: '2024-02-15-preview',
-                  serverless: true,
-                  models: {
-                    'gpt-4': {
-                      deploymentName: 'gpt-4',
-                    },
-                  },
-                },
-              },
             },
           },
         };
@@ -1031,6 +982,13 @@ describe('AgentClient - titleConvo', () => {
       };
 
       mockReq = {
+        app: {
+          locals: {
+            memory: {
+              messageWindowSize: 3,
+            },
+          },
+        },
         user: {
           id: 'user-123',
           personalization: {
@@ -1039,13 +997,6 @@ describe('AgentClient - titleConvo', () => {
         },
       };
 
-      // Mock getAppConfig for memory tests
-      mockReq.config = {
-        memory: {
-          messageWindowSize: 3,
-        },
-      };
-
       mockRes = {};
 
       mockOptions = {

api/server/controllers/agents/errors.js

@@ -21,7 +21,7 @@ const getLogStores = require('~/cache/getLogStores');
 
 /**
  * @typedef {Object} ErrorHandlerDependencies
- * @property {ServerRequest} req - The Express request object
+ * @property {Express.Request} req - The Express request object
  * @property {Express.Response} res - The Express response object
  * @property {() => ErrorHandlerContext} getContext - Function to get the current context
  * @property {string} [originPath] - The origin path for the error handler

api/server/controllers/agents/request.js

@@ -9,24 +9,6 @@ const {
 const { disposeClient, clientRegistry, requestDataMap } = require('~/server/cleanup');
 const { saveMessage } = require('~/models');
 
-function createCloseHandler(abortController) {
-  return function (manual) {
-    if (!manual) {
-      logger.debug('[AgentController] Request closed');
-    }
-    if (!abortController) {
-      return;
-    } else if (abortController.signal.aborted) {
-      return;
-    } else if (abortController.requestCompleted) {
-      return;
-    }
-
-    abortController.abort();
-    logger.debug('[AgentController] Request aborted on close');
-  };
-}
-
 const AgentController = async (req, res, next, initializeClient, addTitle) => {
   let {
     text,
@@ -49,6 +31,7 @@ const AgentController = async (req, res, next, initializeClient, addTitle) => {
   let userMessagePromise;
   let getAbortData;
   let client = null;
+  // Initialize as an array
   let cleanupHandlers = [];
 
   const newConvo = !conversationId;
@@ -79,7 +62,9 @@ const AgentController = async (req, res, next, initializeClient, addTitle) => {
   // Create a function to handle final cleanup
   const performCleanup = () => {
     logger.debug('[AgentController] Performing cleanup');
+    // Make sure cleanupHandlers is an array before iterating
     if (Array.isArray(cleanupHandlers)) {
+      // Execute all cleanup handlers
       for (const handler of cleanupHandlers) {
         try {
           if (typeof handler === 'function') {
@@ -120,33 +105,8 @@ const AgentController = async (req, res, next, initializeClient, addTitle) => {
   };
 
   try {
-    let prelimAbortController = new AbortController();
-    const prelimCloseHandler = createCloseHandler(prelimAbortController);
-    res.on('close', prelimCloseHandler);
-    const removePrelimHandler = (manual) => {
-      try {
-        prelimCloseHandler(manual);
-        res.removeListener('close', prelimCloseHandler);
-      } catch (e) {
-        logger.error('[AgentController] Error removing close listener', e);
-      }
-    };
-    cleanupHandlers.push(removePrelimHandler);
-    /** @type {{ client: TAgentClient; userMCPAuthMap?: Record<string, Record<string, string>> }} */
-    const result = await initializeClient({
-      req,
-      res,
-      endpointOption,
-      signal: prelimAbortController.signal,
-    });
-    if (prelimAbortController.signal?.aborted) {
-      prelimAbortController = null;
-      throw new Error('Request was aborted before initialization could complete');
-    } else {
-      prelimAbortController = null;
-      removePrelimHandler(true);
-      cleanupHandlers.pop();
-    }
+    /** @type {{ client: TAgentClient }} */
+    const result = await initializeClient({ req, res, endpointOption });
     client = result.client;
 
     // Register client with finalization registry if available
@@ -178,7 +138,22 @@ const AgentController = async (req, res, next, initializeClient, addTitle) => {
     };
 
     const { abortController, onStart } = createAbortController(req, res, getAbortData, getReqData);
-    const closeHandler = createCloseHandler(abortController);
+
+    // Simple handler to avoid capturing scope
+    const closeHandler = () => {
+      logger.debug('[AgentController] Request closed');
+      if (!abortController) {
+        return;
+      } else if (abortController.signal.aborted) {
+        return;
+      } else if (abortController.requestCompleted) {
+        return;
+      }
+
+      abortController.abort();
+      logger.debug('[AgentController] Request aborted on close');
+    };
+
     res.on('close', closeHandler);
     cleanupHandlers.push(() => {
       try {
@@ -200,7 +175,6 @@ const AgentController = async (req, res, next, initializeClient, addTitle) => {
       abortController,
       overrideParentMessageId,
       isEdited: !!editedContent,
-      userMCPAuthMap: result.userMCPAuthMap,
       responseMessageId: editedResponseMessageId,
       progressOptions: {
         res,

api/server/controllers/agents/v1.js

@@ -487,7 +487,6 @@ const getListAgentsHandler = async (req, res) => {
  */
 const uploadAgentAvatarHandler = async (req, res) => {
   try {
-    const appConfig = req.config;
     filterFile({ req, file: req.file, image: true, isAvatar: true });
     const { agent_id } = req.params;
     if (!agent_id) {
@@ -511,7 +510,9 @@ const uploadAgentAvatarHandler = async (req, res) => {
     }
 
     const buffer = await fs.readFile(req.file.path);
-    const fileStrategy = getFileStrategy(appConfig, { isAvatar: true });
+
+    const fileStrategy = getFileStrategy(req.app.locals, { isAvatar: true });
+
     const resizedBuffer = await resizeAvatar({
       userId: req.user.id,
       input: buffer,

api/server/controllers/assistants/chatV1.js

@@ -1,7 +1,7 @@
 const { v4 } = require('uuid');
 const { sleep } = require('@librechat/agents');
+const { sendEvent } = require('@librechat/api');
 const { logger } = require('@librechat/data-schemas');
-const { sendEvent, getBalanceConfig } = require('@librechat/api');
 const {
   Time,
   Constants,
@@ -47,7 +47,6 @@ const { getOpenAIClient } = require('./helpers');
  * @returns {void}
  */
 const chatV1 = async (req, res) => {
-  const appConfig = req.config;
   logger.debug('[/assistants/chat/] req.body', req.body);
 
   const {
@@ -252,8 +251,8 @@ const chatV1 = async (req, res) => {
     }
 
     const checkBalanceBeforeRun = async () => {
-      const balanceConfig = getBalanceConfig(appConfig);
-      if (!balanceConfig?.enabled) {
+      const balance = req.app?.locals?.balance;
+      if (!balance?.enabled) {
         return;
       }
       const transactions =

api/server/controllers/assistants/chatV2.js

@@ -1,7 +1,7 @@
 const { v4 } = require('uuid');
 const { sleep } = require('@librechat/agents');
+const { sendEvent } = require('@librechat/api');
 const { logger } = require('@librechat/data-schemas');
-const { sendEvent, getBalanceConfig } = require('@librechat/api');
 const {
   Time,
   Constants,
@@ -38,13 +38,12 @@ const { getOpenAIClient } = require('./helpers');
  * @route POST /
  * @desc Chat with an assistant
  * @access Public
- * @param {ServerRequest} req - The request object, containing the request data.
+ * @param {Express.Request} req - The request object, containing the request data.
  * @param {Express.Response} res - The response object, used to send back a response.
  * @returns {void}
  */
 const chatV2 = async (req, res) => {
   logger.debug('[/assistants/chat/] req.body', req.body);
-  const appConfig = req.config;
 
   /** @type {{files: MongoFile[]}} */
   const {
@@ -127,8 +126,8 @@ const chatV2 = async (req, res) => {
     }
 
     const checkBalanceBeforeRun = async () => {
-      const balanceConfig = getBalanceConfig(appConfig);
-      if (!balanceConfig?.enabled) {
+      const balance = req.app?.locals?.balance;
+      if (!balance?.enabled) {
         return;
       }
       const transactions =
@@ -375,9 +374,9 @@ const chatV2 = async (req, res) => {
       };
 
       /** @type {undefined | TAssistantEndpoint} */
-      const config = appConfig.endpoints?.[endpoint] ?? {};
+      const config = req.app.locals[endpoint] ?? {};
       /** @type {undefined | TBaseEndpoint} */
-      const allConfig = appConfig.endpoints?.all;
+      const allConfig = req.app.locals.all;
 
       const streamRunManager = new StreamRunManager({
         req,

api/server/controllers/assistants/errors.js

@@ -22,7 +22,7 @@ const getLogStores = require('~/cache/getLogStores');
 
 /**
  * @typedef {Object} ErrorHandlerDependencies
- * @property {ServerRequest} req - The Express request object
+ * @property {Express.Request} req - The Express request object
  * @property {Express.Response} res - The Express response object
  * @property {() => ErrorHandlerContext} getContext - Function to get the current context
  * @property {string} [originPath] - The origin path for the error handler

api/server/controllers/assistants/helpers.js

@@ -11,7 +11,7 @@ const { initializeClient } = require('~/server/services/Endpoints/assistants');
 const { getEndpointsConfig } = require('~/server/services/Config');
 
 /**
- * @param {ServerRequest} req
+ * @param {Express.Request} req
  * @param {string} [endpoint]
  * @returns {Promise<string>}
  */
@@ -210,7 +210,6 @@ async function getOpenAIClient({ req, res, endpointOption, initAppClient, overri
  * @returns {Promise<AssistantListResponse>} 200 - success response - application/json
  */
 const fetchAssistants = async ({ req, res, overrideEndpoint }) => {
-  const appConfig = req.config;
   const {
     limit = 100,
     order = 'desc',
@@ -231,20 +230,20 @@ const fetchAssistants = async ({ req, res, overrideEndpoint }) => {
   if (endpoint === EModelEndpoint.assistants) {
     ({ body } = await listAllAssistants({ req, res, version, query }));
   } else if (endpoint === EModelEndpoint.azureAssistants) {
-    const azureConfig = appConfig.endpoints?.[EModelEndpoint.azureOpenAI];
+    const azureConfig = req.app.locals[EModelEndpoint.azureOpenAI];
     body = await listAssistantsForAzure({ req, res, version, azureConfig, query });
   }
 
   if (req.user.role === SystemRoles.ADMIN) {
     return body;
-  } else if (!appConfig.endpoints?.[endpoint]) {
+  } else if (!req.app.locals[endpoint]) {
     return body;
   }
 
   body.data = filterAssistants({
     userId: req.user.id,
     assistants: body.data,
-    assistantsConfig: appConfig.endpoints?.[endpoint],
+    assistantsConfig: req.app.locals[endpoint],
   });
   return body;
 };

api/server/controllers/assistants/v1.js

@@ -258,9 +258,8 @@ function filterAssistantDocs({ documents, userId, assistantsConfig = {} }) {
  */
 const getAssistantDocuments = async (req, res) => {
   try {
-    const appConfig = req.config;
     const endpoint = req.query;
-    const assistantsConfig = appConfig.endpoints?.[endpoint];
+    const assistantsConfig = req.app.locals[endpoint];
     const documents = await getAssistants(
       {},
       {
@@ -297,7 +296,6 @@ const getAssistantDocuments = async (req, res) => {
  */
 const uploadAssistantAvatar = async (req, res) => {
   try {
-    const appConfig = req.config;
     filterFile({ req, file: req.file, image: true, isAvatar: true });
     const { assistant_id } = req.params;
     if (!assistant_id) {
@@ -339,7 +337,7 @@ const uploadAssistantAvatar = async (req, res) => {
     const metadata = {
       ..._metadata,
       avatar: image.filepath,
-      avatar_source: appConfig.fileStrategy,
+      avatar_source: req.app.locals.fileStrategy,
     };
 
     const promises = [];
@@ -349,7 +347,7 @@ const uploadAssistantAvatar = async (req, res) => {
         {
           avatar: {
             filepath: image.filepath,
-            source: appConfig.fileStrategy,
+            source: req.app.locals.fileStrategy,
           },
           user: req.user.id,
         },

api/server/controllers/assistants/v2.js

@@ -94,7 +94,7 @@ const createAssistant = async (req, res) => {
 /**
  * Modifies an assistant.
  * @param {object} params
- * @param {ServerRequest} params.req
+ * @param {Express.Request} params.req
  * @param {OpenAIClient} params.openai
  * @param {string} params.assistant_id
  * @param {AssistantUpdateParams} params.updateData
@@ -199,7 +199,7 @@ const updateAssistant = async ({ req, openai, assistant_id, updateData }) => {
 /**
  * Modifies an assistant with the resource file id.
  * @param {object} params
- * @param {ServerRequest} params.req
+ * @param {Express.Request} params.req
  * @param {OpenAIClient} params.openai
  * @param {string} params.assistant_id
  * @param {string} params.tool_resource
@@ -227,7 +227,7 @@ const addResourceFileId = async ({ req, openai, assistant_id, tool_resource, fil
 /**
  * Deletes a file ID from an assistant's resource.
  * @param {object} params
- * @param {ServerRequest} params.req
+ * @param {Express.Request} params.req
  * @param {OpenAIClient} params.openai
  * @param {string} params.assistant_id
  * @param {string} [params.tool_resource]

api/server/controllers/auth/TwoFactorAuthController.js

@@ -22,11 +22,10 @@ const verify2FAWithTempToken = async (req, res) => {
     try {
       payload = jwt.verify(tempToken, process.env.JWT_SECRET);
     } catch (err) {
-      logger.error('Failed to verify temporary token:', err);
       return res.status(401).json({ message: 'Invalid or expired temporary token' });
     }
 
-    const user = await getUserById(payload.userId, '+totpSecret +backupCodes');
+    const user = await getUserById(payload.userId);
     if (!user || !user.twoFactorEnabled) {
       return res.status(400).json({ message: '2FA is not enabled for this user' });
     }
@@ -43,11 +42,11 @@ const verify2FAWithTempToken = async (req, res) => {
       return res.status(401).json({ message: 'Invalid 2FA code or backup code' });
     }
 
+    // Prepare user data to return (omit sensitive fields).
     const userData = user.toObject ? user.toObject() : { ...user };
-    delete userData.__v;
     delete userData.password;
+    delete userData.__v;
     delete userData.totpSecret;
-    delete userData.backupCodes;
     userData.id = user._id.toString();
 
     const authToken = await setAuthTokens(user._id, res);

api/server/controllers/tools.js

@@ -35,10 +35,9 @@ const toolAccessPermType = {
  */
 const verifyWebSearchAuth = async (req, res) => {
   try {
-    const appConfig = req.config;
     const userId = req.user.id;
     /** @type {TCustomConfig['webSearch']} */
-    const webSearchConfig = appConfig?.webSearch || {};
+    const webSearchConfig = req.app.locals?.webSearch || {};
     const result = await loadWebSearchAuth({
       userId,
       loadAuthValues,
@@ -111,7 +110,6 @@ const verifyToolAuth = async (req, res) => {
  */
 const callTool = async (req, res) => {
   try {
-    const appConfig = req.config;
     const { toolId = '' } = req.params;
     if (!fieldsMap[toolId]) {
       logger.warn(`[${toolId}/call] User ${req.user.id} attempted call to invalid tool`);
@@ -157,10 +155,8 @@ const callTool = async (req, res) => {
         returnMetadata: true,
         processFileURL,
         uploadImageBuffer,
+        fileStrategy: req.app.locals.fileStrategy,
       },
-      webSearch: appConfig.webSearch,
-      fileStrategy: appConfig.fileStrategy,
-      imageOutputType: appConfig.imageOutputType,
     });
 
     const tool = loadedTools[0];

api/server/index.js

@@ -14,14 +14,11 @@ const { isEnabled, ErrorController } = require('@librechat/api');
 const { connectDb, indexSync } = require('~/db');
 const validateImageRequest = require('./middleware/validateImageRequest');
 const { jwtLogin, ldapLogin, passportLogin } = require('~/strategies');
-const { updateInterfacePermissions } = require('~/models/interface');
-const { checkMigrations } = require('./services/start/migration');
 const initializeMCPs = require('./services/initializeMCPs');
 const configureSocialLogins = require('./socialLogins');
-const { getAppConfig } = require('./services/Config');
+const AppService = require('./services/AppService');
 const staticCache = require('./utils/staticCache');
 const noIndex = require('./middleware/noIndex');
-const { seedDatabase } = require('~/models');
 const routes = require('./routes');
 
 const { PORT, HOST, ALLOW_SOCIAL_LOGIN, DISABLE_COMPRESSION, TRUST_PROXY } = process.env ?? {};
@@ -47,25 +44,10 @@ const startServer = async () => {
   app.disable('x-powered-by');
   app.set('trust proxy', trusted_proxy);
 
-  await seedDatabase();
+  await AppService(app);
 
-  const appConfig = await getAppConfig();
-  await updateInterfacePermissions(appConfig);
-  const indexPath = path.join(appConfig.paths.dist, 'index.html');
-  let indexHTML = fs.readFileSync(indexPath, 'utf8');
-
-  // In order to provide support to serving the application in a sub-directory
-  // We need to update the base href if the DOMAIN_CLIENT is specified and not the root path
-  if (process.env.DOMAIN_CLIENT) {
-    const clientUrl = new URL(process.env.DOMAIN_CLIENT);
-    const baseHref = clientUrl.pathname.endsWith('/')
-      ? clientUrl.pathname
-      : `${clientUrl.pathname}/`;
-    if (baseHref !== '/') {
-      logger.info(`Setting base href to ${baseHref}`);
-      indexHTML = indexHTML.replace(/base href="\/"/, `base href="${baseHref}"`);
-    }
-  }
+  const indexPath = path.join(app.locals.paths.dist, 'index.html');
+  const indexHTML = fs.readFileSync(indexPath, 'utf8');
 
   app.get('/health', (_req, res) => res.status(200).send('OK'));
 
@@ -83,9 +65,10 @@ const startServer = async () => {
     console.warn('Response compression has been disabled via DISABLE_COMPRESSION.');
   }
 
-  app.use(staticCache(appConfig.paths.dist));
-  app.use(staticCache(appConfig.paths.fonts));
-  app.use(staticCache(appConfig.paths.assets));
+  // Serve static assets with aggressive caching
+  app.use(staticCache(app.locals.paths.dist));
+  app.use(staticCache(app.locals.paths.fonts));
+  app.use(staticCache(app.locals.paths.assets));
 
   if (!ALLOW_SOCIAL_LOGIN) {
     console.warn('Social logins are disabled. Set ALLOW_SOCIAL_LOGIN=true to enable them.');
@@ -148,8 +131,7 @@ const startServer = async () => {
 
     const lang = req.cookies.lang || req.headers['accept-language']?.split(',')[0] || 'en-US';
     const saneLang = lang.replace(/"/g, '"');
-    let updatedIndexHtml = indexHTML.replace(/lang="en-US"/g, `lang="${saneLang}"`);
-
+    const updatedIndexHtml = indexHTML.replace(/lang="en-US"/g, `lang="${saneLang}"`);
     res.type('html');
     res.send(updatedIndexHtml);
   });
@@ -163,7 +145,7 @@ const startServer = async () => {
       logger.info(`Server listening at http://${host == '0.0.0.0' ? 'localhost' : host}:${port}`);
     }
 
-    initializeMCPs().then(() => checkMigrations());
+    initializeMCPs(app);
   });
 };
 

api/server/index.spec.js

@@ -3,27 +3,9 @@ const request = require('supertest');
 const { MongoMemoryServer } = require('mongodb-memory-server');
 const mongoose = require('mongoose');
 
-jest.mock('~/server/services/Config', () => ({
-  loadCustomConfig: jest.fn(() => Promise.resolve({})),
-  getAppConfig: jest.fn().mockResolvedValue({
-    paths: {
-      uploads: '/tmp',
-      dist: '/tmp/dist',
-      fonts: '/tmp/fonts',
-      assets: '/tmp/assets',
-    },
-    fileStrategy: 'local',
-    imageOutputType: 'PNG',
-  }),
-  setCachedTools: jest.fn(),
-}));
-
-jest.mock('~/app/clients/tools', () => ({
-  createOpenAIImageTools: jest.fn(() => []),
-  createYouTubeTools: jest.fn(() => []),
-  manifestToolMap: {},
-  toolkits: [],
-}));
+jest.mock('~/server/services/Config/loadCustomConfig', () => {
+  return jest.fn(() => Promise.resolve({}));
+});
 
 describe('Server Configuration', () => {
   // Increase the default timeout to allow for Mongo cleanup
@@ -49,22 +31,6 @@ describe('Server Configuration', () => {
   });
 
   beforeAll(async () => {
-    // Create the required directories and files for the test
-    const fs = require('fs');
-    const path = require('path');
-
-    const dirs = ['/tmp/dist', '/tmp/fonts', '/tmp/assets'];
-    dirs.forEach((dir) => {
-      if (!fs.existsSync(dir)) {
-        fs.mkdirSync(dir, { recursive: true });
-      }
-    });
-
-    fs.writeFileSync(
-      path.join('/tmp/dist', 'index.html'),
-      '<!DOCTYPE html><html><head><title>LibreChat</title></head><body><div id="root"></div></body></html>',
-    );
-
     mongoServer = await MongoMemoryServer.create();
     process.env.MONGO_URI = mongoServer.getUri();
     process.env.PORT = '0'; // Use a random available port

api/server/middleware/abortMiddleware.js

@@ -1,6 +1,6 @@
 const { logger } = require('@librechat/data-schemas');
 const { countTokens, isEnabled, sendEvent } = require('@librechat/api');
-const { isAssistantsEndpoint, ErrorTypes, Constants } = require('librechat-data-provider');
+const { isAssistantsEndpoint, ErrorTypes } = require('librechat-data-provider');
 const { truncateText, smartTruncateText } = require('~/app/clients/prompts');
 const clearPendingReq = require('~/cache/clearPendingReq');
 const { sendError } = require('~/server/middleware/error');
@@ -11,10 +11,6 @@ const { abortRun } = require('./abortRun');
 
 const abortDataMap = new WeakMap();
 
-/**
- * @param {string} abortKey
- * @returns {boolean}
- */
 function cleanupAbortController(abortKey) {
   if (!abortControllers.has(abortKey)) {
     return false;
@@ -75,20 +71,6 @@ function cleanupAbortController(abortKey) {
   return true;
 }
 
-/**
- * @param {string} abortKey
- * @returns {function(): void}
- */
-function createCleanUpHandler(abortKey) {
-  return function () {
-    try {
-      cleanupAbortController(abortKey);
-    } catch {
-      // Ignore cleanup errors
-    }
-  };
-}
-
 async function abortMessage(req, res) {
   let { abortKey, endpoint } = req.body;
 
@@ -190,15 +172,11 @@ const createAbortController = (req, res, getAbortData, getReqData) => {
   /**
    * @param {TMessage} userMessage
    * @param {string} responseMessageId
-   * @param {boolean} [isNewConvo]
    */
-  const onStart = (userMessage, responseMessageId, isNewConvo) => {
+  const onStart = (userMessage, responseMessageId) => {
     sendEvent(res, { message: userMessage, created: true });
 
-    const prelimAbortKey = userMessage?.conversationId ?? req.user.id;
-    const abortKey = isNewConvo
-      ? `${prelimAbortKey}${Constants.COMMON_DIVIDER}${Constants.NEW_CONVO}`
-      : prelimAbortKey;
+    const abortKey = userMessage?.conversationId ?? req.user.id;
     getReqData({ abortKey });
     const prevRequest = abortControllers.get(abortKey);
     const { overrideUserMessageId } = req?.body ?? {};
@@ -216,7 +194,16 @@ const createAbortController = (req, res, getAbortData, getReqData) => {
       };
 
       abortControllers.set(addedAbortKey, { abortController, ...minimalOptions });
-      const cleanupHandler = createCleanUpHandler(addedAbortKey);
+
+      // Use a simple function for cleanup to avoid capturing context
+      const cleanupHandler = () => {
+        try {
+          cleanupAbortController(addedAbortKey);
+        } catch (e) {
+          // Ignore cleanup errors
+        }
+      };
+
       res.on('finish', cleanupHandler);
       return;
     }
@@ -229,7 +216,16 @@ const createAbortController = (req, res, getAbortData, getReqData) => {
     };
 
     abortControllers.set(abortKey, { abortController, ...minimalOptions });
-    const cleanupHandler = createCleanUpHandler(abortKey);
+
+    // Use a simple function for cleanup to avoid capturing context
+    const cleanupHandler = () => {
+      try {
+        cleanupAbortController(abortKey);
+      } catch (e) {
+        // Ignore cleanup errors
+      }
+    };
+
     res.on('finish', cleanupHandler);
   };
 
@@ -368,7 +364,15 @@ const handleAbortError = async (res, req, error, data) => {
       };
     }
 
-    const callback = createCleanUpHandler(conversationId);
+    // Create a simple callback without capturing parent scope
+    const callback = async () => {
+      try {
+        cleanupAbortController(conversationId);
+      } catch (e) {
+        // Ignore cleanup errors
+      }
+    };
+
     await sendError(req, res, options, callback);
   };
 

api/server/middleware/assistants/validate.js

@@ -12,9 +12,8 @@ const { handleAbortError } = require('~/server/middleware/abortMiddleware');
 const validateAssistant = async (req, res, next) => {
   const { endpoint, conversationId, assistant_id, messageId } = req.body;
 
-  const appConfig = req.config;
   /** @type {Partial<TAssistantEndpoint>} */
-  const assistantsConfig = appConfig.endpoints?.[endpoint];
+  const assistantsConfig = req.app.locals?.[endpoint];
   if (!assistantsConfig) {
     return next();
   }

api/server/middleware/assistants/validateAuthor.js

@@ -20,9 +20,8 @@ const validateAuthor = async ({ req, openai, overrideEndpoint, overrideAssistant
   const assistant_id =
     overrideAssistantId ?? req.params.id ?? req.body.assistant_id ?? req.query.assistant_id;
 
-  const appConfig = req.config;
   /** @type {Partial<TAssistantEndpoint>} */
-  const assistantsConfig = appConfig.endpoints?.[endpoint];
+  const assistantsConfig = req.app.locals?.[endpoint];
   if (!assistantsConfig) {
     return;
   }

api/server/middleware/buildEndpointOption.js

@@ -40,10 +40,9 @@ async function buildEndpointOption(req, res, next) {
     return handleError(res, { text: 'Error parsing conversation' });
   }
 
-  const appConfig = req.config;
-  if (appConfig.modelSpecs?.list && appConfig.modelSpecs?.enforce) {
+  if (req.app.locals.modelSpecs?.list && req.app.locals.modelSpecs?.enforce) {
     /** @type {{ list: TModelSpec[] }}*/
-    const { list } = appConfig.modelSpecs;
+    const { list } = req.app.locals.modelSpecs;
     const { spec } = parsedBody;
 
     if (!spec) {

api/server/middleware/checkDomainAllowed.js

@@ -1,6 +1,5 @@
-const { logger } = require('@librechat/data-schemas');
 const { isEmailDomainAllowed } = require('~/server/services/domains');
-const { getAppConfig } = require('~/server/services/Config');
+const { logger } = require('~/config');
 
 /**
  * Checks the domain's social login is allowed
@@ -15,10 +14,7 @@ const { getAppConfig } = require('~/server/services/Config');
  */
 const checkDomainAllowed = async (req, res, next = () => {}) => {
   const email = req?.user?.email;
-  const appConfig = await getAppConfig({
-    role: req?.user?.role,
-  });
-  if (email && !isEmailDomainAllowed(email, appConfig?.registration?.allowedDomains)) {
+  if (email && !(await isEmailDomainAllowed(email))) {
     logger.error(`[Social Login] [Social Login not allowed] [Email: ${email}]`);
     return res.redirect('/login');
   } else {

api/server/middleware/config/app.js

@@ -1,27 +0,0 @@
-const { logger } = require('@librechat/data-schemas');
-const { getAppConfig } = require('~/server/services/Config');
-
-const configMiddleware = async (req, res, next) => {
-  try {
-    const userRole = req.user?.role;
-    req.config = await getAppConfig({ role: userRole });
-
-    next();
-  } catch (error) {
-    logger.error('Config middleware error:', {
-      error: error.message,
-      userRole: req.user?.role,
-      path: req.path,
-    });
-
-    try {
-      req.config = await getAppConfig();
-      next();
-    } catch (fallbackError) {
-      logger.error('Fallback config middleware error:', fallbackError);
-      next(fallbackError);
-    }
-  }
-};
-
-module.exports = configMiddleware;

api/server/middleware/error.js

@@ -82,7 +82,7 @@ const sendError = async (req, res, options, callback) => {
 
 /**
  * Sends the response based on whether headers have been sent or not.
- * @param {ServerRequest} req - The server response.
+ * @param {Express.Request} req - The server response.
  * @param {Express.Response} res - The server response.
  * @param {Object} data - The data to be sent.
  * @param {string} [errorMessage] - The error message, if any.

api/server/middleware/index.js

@@ -9,11 +9,11 @@ const validateEndpoint = require('./validateEndpoint');
 const requireLocalAuth = require('./requireLocalAuth');
 const canDeleteAccount = require('./canDeleteAccount');
 const accessResources = require('./accessResources');
+const setBalanceConfig = require('./setBalanceConfig');
 const requireLdapAuth = require('./requireLdapAuth');
 const abortMiddleware = require('./abortMiddleware');
 const checkInviteUser = require('./checkInviteUser');
 const requireJwtAuth = require('./requireJwtAuth');
-const configMiddleware = require('./config/app');
 const validateModel = require('./validateModel');
 const moderateText = require('./moderateText');
 const logHeaders = require('./logHeaders');
@@ -44,7 +44,7 @@ module.exports = {
   requireLocalAuth,
   canDeleteAccount,
   validateEndpoint,
-  configMiddleware,
+  setBalanceConfig,
   concurrentLimiter,
   checkDomainAllowed,
   validateMessageReq,

api/server/middleware/setBalanceConfig.js

@@ -0,0 +1,91 @@
+const { logger } = require('@librechat/data-schemas');
+const { getBalanceConfig } = require('~/server/services/Config');
+const { Balance } = require('~/db/models');
+
+/**
+ * Middleware to synchronize user balance settings with current balance configuration.
+ * @function
+ * @param {Object} req - Express request object containing user information.
+ * @param {Object} res - Express response object.
+ * @param {import('express').NextFunction} next - Next middleware function.
+ */
+const setBalanceConfig = async (req, res, next) => {
+  try {
+    const balanceConfig = await getBalanceConfig();
+    if (!balanceConfig?.enabled) {
+      return next();
+    }
+    if (balanceConfig.startBalance == null) {
+      return next();
+    }
+
+    const userId = req.user._id;
+    const userBalanceRecord = await Balance.findOne({ user: userId }).lean();
+    const updateFields = buildUpdateFields(balanceConfig, userBalanceRecord);
+
+    if (Object.keys(updateFields).length === 0) {
+      return next();
+    }
+
+    await Balance.findOneAndUpdate(
+      { user: userId },
+      { $set: updateFields },
+      { upsert: true, new: true },
+    );
+
+    next();
+  } catch (error) {
+    logger.error('Error setting user balance:', error);
+    next(error);
+  }
+};
+
+/**
+ * Build an object containing fields that need updating
+ * @param {Object} config - The balance configuration
+ * @param {Object|null} userRecord - The user's current balance record, if any
+ * @returns {Object} Fields that need updating
+ */
+function buildUpdateFields(config, userRecord) {
+  const updateFields = {};
+
+  // Ensure user record has the required fields
+  if (!userRecord) {
+    updateFields.user = userRecord?.user;
+    updateFields.tokenCredits = config.startBalance;
+  }
+
+  if (userRecord?.tokenCredits == null && config.startBalance != null) {
+    updateFields.tokenCredits = config.startBalance;
+  }
+
+  const isAutoRefillConfigValid =
+    config.autoRefillEnabled &&
+    config.refillIntervalValue != null &&
+    config.refillIntervalUnit != null &&
+    config.refillAmount != null;
+
+  if (!isAutoRefillConfigValid) {
+    return updateFields;
+  }
+
+  if (userRecord?.autoRefillEnabled !== config.autoRefillEnabled) {
+    updateFields.autoRefillEnabled = config.autoRefillEnabled;
+  }
+
+  if (userRecord?.refillIntervalValue !== config.refillIntervalValue) {
+    updateFields.refillIntervalValue = config.refillIntervalValue;
+  }
+
+  if (userRecord?.refillIntervalUnit !== config.refillIntervalUnit) {
+    updateFields.refillIntervalUnit = config.refillIntervalUnit;
+  }
+
+  if (userRecord?.refillAmount !== config.refillAmount) {
+    updateFields.refillAmount = config.refillAmount;
+  }
+
+  return updateFields;
+}
+
+module.exports = setBalanceConfig;

api/server/middleware/spec/validateImages.spec.js

@@ -1,18 +1,13 @@
 const jwt = require('jsonwebtoken');
 const validateImageRequest = require('~/server/middleware/validateImageRequest');
 
-jest.mock('~/server/services/Config/app', () => ({
-  getAppConfig: jest.fn(),
-}));
-
 describe('validateImageRequest middleware', () => {
   let req, res, next;
   const validObjectId = '65cfb246f7ecadb8b1e8036b';
-  const { getAppConfig } = require('~/server/services/Config/app');
 
   beforeEach(() => {
-    jest.clearAllMocks();
     req = {
+      app: { locals: { secureImageLinks: true } },
       headers: {},
       originalUrl: '',
     };
@@ -22,86 +17,79 @@ describe('validateImageRequest middleware', () => {
     };
     next = jest.fn();
     process.env.JWT_REFRESH_SECRET = 'test-secret';
-
-    // Mock getAppConfig to return secureImageLinks: true by default
-    getAppConfig.mockResolvedValue({
-      secureImageLinks: true,
-    });
   });
 
   afterEach(() => {
     jest.clearAllMocks();
   });
 
-  test('should call next() if secureImageLinks is false', async () => {
-    getAppConfig.mockResolvedValue({
-      secureImageLinks: false,
-    });
-    await validateImageRequest(req, res, next);
+  test('should call next() if secureImageLinks is false', () => {
+    req.app.locals.secureImageLinks = false;
+    validateImageRequest(req, res, next);
     expect(next).toHaveBeenCalled();
   });
 
-  test('should return 401 if refresh token is not provided', async () => {
-    await validateImageRequest(req, res, next);
+  test('should return 401 if refresh token is not provided', () => {
+    validateImageRequest(req, res, next);
     expect(res.status).toHaveBeenCalledWith(401);
     expect(res.send).toHaveBeenCalledWith('Unauthorized');
   });
 
-  test('should return 403 if refresh token is invalid', async () => {
+  test('should return 403 if refresh token is invalid', () => {
     req.headers.cookie = 'refreshToken=invalid-token';
-    await validateImageRequest(req, res, next);
+    validateImageRequest(req, res, next);
     expect(res.status).toHaveBeenCalledWith(403);
     expect(res.send).toHaveBeenCalledWith('Access Denied');
   });
 
-  test('should return 403 if refresh token is expired', async () => {
+  test('should return 403 if refresh token is expired', () => {
     const expiredToken = jwt.sign(
       { id: validObjectId, exp: Math.floor(Date.now() / 1000) - 3600 },
       process.env.JWT_REFRESH_SECRET,
     );
     req.headers.cookie = `refreshToken=${expiredToken}`;
-    await validateImageRequest(req, res, next);
+    validateImageRequest(req, res, next);
     expect(res.status).toHaveBeenCalledWith(403);
     expect(res.send).toHaveBeenCalledWith('Access Denied');
   });
 
-  test('should call next() for valid image path', async () => {
+  test('should call next() for valid image path', () => {
     const validToken = jwt.sign(
       { id: validObjectId, exp: Math.floor(Date.now() / 1000) + 3600 },
       process.env.JWT_REFRESH_SECRET,
     );
     req.headers.cookie = `refreshToken=${validToken}`;
     req.originalUrl = `/images/${validObjectId}/example.jpg`;
-    await validateImageRequest(req, res, next);
+    validateImageRequest(req, res, next);
     expect(next).toHaveBeenCalled();
   });
 
-  test('should return 403 for invalid image path', async () => {
+  test('should return 403 for invalid image path', () => {
     const validToken = jwt.sign(
       { id: validObjectId, exp: Math.floor(Date.now() / 1000) + 3600 },
       process.env.JWT_REFRESH_SECRET,
     );
     req.headers.cookie = `refreshToken=${validToken}`;
     req.originalUrl = '/images/65cfb246f7ecadb8b1e8036c/example.jpg'; // Different ObjectId
-    await validateImageRequest(req, res, next);
+    validateImageRequest(req, res, next);
     expect(res.status).toHaveBeenCalledWith(403);
     expect(res.send).toHaveBeenCalledWith('Access Denied');
   });
 
-  test('should return 403 for invalid ObjectId format', async () => {
+  test('should return 403 for invalid ObjectId format', () => {
     const validToken = jwt.sign(
       { id: validObjectId, exp: Math.floor(Date.now() / 1000) + 3600 },
       process.env.JWT_REFRESH_SECRET,
     );
     req.headers.cookie = `refreshToken=${validToken}`;
     req.originalUrl = '/images/123/example.jpg'; // Invalid ObjectId
-    await validateImageRequest(req, res, next);
+    validateImageRequest(req, res, next);
     expect(res.status).toHaveBeenCalledWith(403);
     expect(res.send).toHaveBeenCalledWith('Access Denied');
   });
 
   // File traversal tests
-  test('should prevent file traversal attempts', async () => {
+  test('should prevent file traversal attempts', () => {
     const validToken = jwt.sign(
       { id: validObjectId, exp: Math.floor(Date.now() / 1000) + 3600 },
       process.env.JWT_REFRESH_SECRET,
@@ -115,23 +103,23 @@ describe('validateImageRequest middleware', () => {
       `/images/${validObjectId}/%2e%2e%2f%2e%2e%2f%2e%2e%2fetc%2fpasswd`,
     ];
 
-    for (const attempt of traversalAttempts) {
+    traversalAttempts.forEach((attempt) => {
       req.originalUrl = attempt;
-      await validateImageRequest(req, res, next);
+      validateImageRequest(req, res, next);
       expect(res.status).toHaveBeenCalledWith(403);
       expect(res.send).toHaveBeenCalledWith('Access Denied');
       jest.clearAllMocks();
-    }
+    });
   });
 
-  test('should handle URL encoded characters in valid paths', async () => {
+  test('should handle URL encoded characters in valid paths', () => {
     const validToken = jwt.sign(
       { id: validObjectId, exp: Math.floor(Date.now() / 1000) + 3600 },
       process.env.JWT_REFRESH_SECRET,
     );
     req.headers.cookie = `refreshToken=${validToken}`;
     req.originalUrl = `/images/${validObjectId}/image%20with%20spaces.jpg`;
-    await validateImageRequest(req, res, next);
+    validateImageRequest(req, res, next);
     expect(next).toHaveBeenCalled();
   });
 });

api/server/middleware/validate/convoAccess.js

@@ -15,7 +15,7 @@ const { USE_REDIS, CONVO_ACCESS_VIOLATION_SCORE: score = 0 } = process.env ?? {}
  * If the `cache` store is not available, the middleware will skip its logic.
  *
  * @function
- * @param {ServerRequest} req - Express request object containing user information.
+ * @param {Express.Request} req - Express request object containing user information.
  * @param {Express.Response} res - Express response object.
  * @param {function} next - Express next middleware function.
  * @throws {Error} Throws an error if the user doesn't have access to the conversation.

api/server/middleware/validateImageRequest.js

@@ -1,7 +1,6 @@
 const cookies = require('cookie');
 const jwt = require('jsonwebtoken');
-const { logger } = require('@librechat/data-schemas');
-const { getAppConfig } = require('~/server/services/Config/app');
+const { logger } = require('~/config');
 
 const OBJECT_ID_LENGTH = 24;
 const OBJECT_ID_PATTERN = /^[0-9a-f]{24}$/i;
@@ -25,9 +24,8 @@ function isValidObjectId(id) {
  * Middleware to validate image request.
  * Must be set by `secureImageLinks` via custom config file.
  */
-async function validateImageRequest(req, res, next) {
-  const appConfig = await getAppConfig({ role: req.user?.role });
-  if (!appConfig.secureImageLinks) {
+function validateImageRequest(req, res, next) {
+  if (!req.app.locals.secureImageLinks) {
     return next();
   }
 

api/server/middleware/validateModel.js

@@ -6,7 +6,7 @@ const { logViolation } = require('~/cache');
  * Validates the model of the request.
  *
  * @async
- * @param {ServerRequest} req - The Express request object.
+ * @param {Express.Request} req - The Express request object.
  * @param {Express.Response} res - The Express response object.
  * @param {Function} next - The Express next function.
  */

api/server/routes/__tests__/mcp.spec.js

@@ -4,14 +4,12 @@ const mongoose = require('mongoose');
 const { MongoMemoryServer } = require('mongodb-memory-server');
 
 jest.mock('@librechat/api', () => ({
-  ...jest.requireActual('@librechat/api'),
   MCPOAuthHandler: {
     initiateOAuthFlow: jest.fn(),
     getFlowState: jest.fn(),
     completeOAuthFlow: jest.fn(),
     generateFlowId: jest.fn(),
   },
-  getUserMCPAuthMap: jest.fn(),
 }));
 
 jest.mock('@librechat/data-schemas', () => ({
@@ -38,7 +36,6 @@ jest.mock('~/models', () => ({
   updateToken: jest.fn(),
   createToken: jest.fn(),
   deleteTokens: jest.fn(),
-  findPluginAuthsByKeys: jest.fn(),
 }));
 
 jest.mock('~/server/services/Config', () => ({
@@ -47,10 +44,6 @@ jest.mock('~/server/services/Config', () => ({
   loadCustomConfig: jest.fn(),
 }));
 
-jest.mock('~/server/services/Config/mcpToolsCache', () => ({
-  updateMCPUserTools: jest.fn(),
-}));
-
 jest.mock('~/server/services/MCP', () => ({
   getMCPSetupData: jest.fn(),
   getServerConnectionStatus: jest.fn(),
@@ -73,10 +66,6 @@ jest.mock('~/server/middleware', () => ({
   requireJwtAuth: (req, res, next) => next(),
 }));
 
-jest.mock('~/server/services/Tools/mcp', () => ({
-  reinitMCPServer: jest.fn(),
-}));
-
 describe('MCP Routes', () => {
   let app;
   let mongoServer;
@@ -505,9 +494,12 @@ describe('MCP Routes', () => {
     });
 
     it('should return 500 when token retrieval throws an unexpected error', async () => {
-      getLogStores.mockImplementation(() => {
-        throw new Error('Database connection failed');
-      });
+      const mockFlowManager = {
+        getFlowState: jest.fn().mockRejectedValue(new Error('Database connection failed')),
+      };
+
+      getLogStores.mockReturnValue({});
+      require('~/config').getFlowStateManager.mockReturnValue(mockFlowManager);
 
       const response = await request(app).get('/api/mcp/oauth/tokens/test-user-id:error-flow');
 
@@ -571,8 +563,8 @@ describe('MCP Routes', () => {
   });
 
   describe('POST /oauth/cancel/:serverName', () => {
-    const { MCPOAuthHandler } = require('@librechat/api');
     const { getLogStores } = require('~/cache');
+    const { MCPOAuthHandler } = require('@librechat/api');
 
     it('should cancel OAuth flow successfully', async () => {
       const mockFlowManager = {
@@ -652,15 +644,15 @@ describe('MCP Routes', () => {
   });
 
   describe('POST /:serverName/reinitialize', () => {
-    it('should return 404 when server is not found in configuration', async () => {
-      const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue(null),
-        disconnectUserConnection: jest.fn().mockResolvedValue(),
-      };
+    const { loadCustomConfig } = require('~/server/services/Config');
+    const { getUserPluginAuthValue } = require('~/server/services/PluginService');
 
-      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
-      require('~/config').getFlowStateManager.mockReturnValue({});
-      require('~/cache').getLogStores.mockReturnValue({});
+    it('should return 404 when server is not found in configuration', async () => {
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'other-server': {},
+        },
+      });
 
       const response = await request(app).post('/api/mcp/non-existent-server/reinitialize');
 
@@ -671,11 +663,16 @@ describe('MCP Routes', () => {
     });
 
     it('should handle OAuth requirement during reinitialize', async () => {
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'oauth-server': {
+            customUserVars: {},
+          },
+        },
+      });
+
       const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue({
-          customUserVars: {},
-        }),
-        disconnectUserConnection: jest.fn().mockResolvedValue(),
+        disconnectServer: jest.fn().mockResolvedValue(),
         mcpConfigs: {},
         getUserConnection: jest.fn().mockImplementation(async ({ oauthStart }) => {
           if (oauthStart) {
@@ -688,19 +685,12 @@ describe('MCP Routes', () => {
       require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
       require('~/config').getFlowStateManager.mockReturnValue({});
       require('~/cache').getLogStores.mockReturnValue({});
-      require('~/server/services/Tools/mcp').reinitMCPServer.mockResolvedValue({
-        success: true,
-        message: "MCP server 'oauth-server' ready for OAuth authentication",
-        serverName: 'oauth-server',
-        oauthRequired: true,
-        oauthUrl: 'https://oauth.example.com/auth',
-      });
 
       const response = await request(app).post('/api/mcp/oauth-server/reinitialize');
 
       expect(response.status).toBe(200);
       expect(response.body).toEqual({
-        success: true,
+        success: 'https://oauth.example.com/auth',
         message: "MCP server 'oauth-server' ready for OAuth authentication",
         serverName: 'oauth-server',
         oauthRequired: true,
@@ -709,9 +699,14 @@ describe('MCP Routes', () => {
     });
 
     it('should return 500 when reinitialize fails with non-OAuth error', async () => {
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'error-server': {},
+        },
+      });
+
       const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue({}),
-        disconnectUserConnection: jest.fn().mockResolvedValue(),
+        disconnectServer: jest.fn().mockResolvedValue(),
         mcpConfigs: {},
         getUserConnection: jest.fn().mockRejectedValue(new Error('Connection failed')),
       };
@@ -719,7 +714,6 @@ describe('MCP Routes', () => {
       require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
       require('~/config').getFlowStateManager.mockReturnValue({});
       require('~/cache').getLogStores.mockReturnValue({});
-      require('~/server/services/Tools/mcp').reinitMCPServer.mockResolvedValue(null);
 
       const response = await request(app).post('/api/mcp/error-server/reinitialize');
 
@@ -730,13 +724,7 @@ describe('MCP Routes', () => {
     });
 
     it('should return 500 when unexpected error occurs', async () => {
-      const mockMcpManager = {
-        getRawConfig: jest.fn().mockImplementation(() => {
-          throw new Error('Config loading failed');
-        }),
-      };
-
-      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
+      loadCustomConfig.mockRejectedValue(new Error('Config loading failed'));
 
       const response = await request(app).post('/api/mcp/test-server/reinitialize');
 
@@ -759,105 +747,75 @@ describe('MCP Routes', () => {
       expect(response.body).toEqual({ error: 'User not authenticated' });
     });
 
-    it('should successfully reinitialize server and cache tools', async () => {
-      const mockUserConnection = {
-        fetchTools: jest.fn().mockResolvedValue([
-          { name: 'tool1', description: 'Test tool 1', inputSchema: { type: 'object' } },
-          { name: 'tool2', description: 'Test tool 2', inputSchema: { type: 'object' } },
-        ]),
-      };
-
-      const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue({ endpoint: 'http://test-server.com' }),
-        disconnectUserConnection: jest.fn().mockResolvedValue(),
-        getUserConnection: jest.fn().mockResolvedValue(mockUserConnection),
-      };
-
-      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
-      require('~/config').getFlowStateManager.mockReturnValue({});
-      require('~/cache').getLogStores.mockReturnValue({});
-
-      const { getCachedTools, setCachedTools } = require('~/server/services/Config');
-      const { updateMCPUserTools } = require('~/server/services/Config/mcpToolsCache');
-      getCachedTools.mockResolvedValue({});
-      setCachedTools.mockResolvedValue();
-      updateMCPUserTools.mockResolvedValue();
-
-      require('~/server/services/Tools/mcp').reinitMCPServer.mockResolvedValue({
-        success: true,
-        message: "MCP server 'test-server' reinitialized successfully",
-        serverName: 'test-server',
-        oauthRequired: false,
-        oauthUrl: null,
+    it('should handle errors when fetching custom user variables', async () => {
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'test-server': {
+            customUserVars: {
+              API_KEY: 'test-key-var',
+              SECRET_TOKEN: 'test-secret-var',
+            },
+          },
+        },
       });
 
-      const response = await request(app).post('/api/mcp/test-server/reinitialize');
+      getUserPluginAuthValue
+        .mockResolvedValueOnce('test-api-key-value')
+        .mockRejectedValueOnce(new Error('Database error'));
 
-      expect(response.status).toBe(200);
-      expect(response.body).toEqual({
-        success: true,
-        message: "MCP server 'test-server' reinitialized successfully",
-        serverName: 'test-server',
-        oauthRequired: false,
-        oauthUrl: null,
-      });
-      expect(mockMcpManager.disconnectUserConnection).toHaveBeenCalledWith(
-        'test-user-id',
-        'test-server',
-      );
-    });
-
-    it('should handle server with custom user variables', async () => {
       const mockUserConnection = {
         fetchTools: jest.fn().mockResolvedValue([]),
       };
 
       const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue({
-          endpoint: 'http://test-server.com',
-          customUserVars: {
-            API_KEY: 'some-env-var',
-          },
-        }),
-        disconnectUserConnection: jest.fn().mockResolvedValue(),
+        disconnectServer: jest.fn().mockResolvedValue(),
+        mcpConfigs: {},
         getUserConnection: jest.fn().mockResolvedValue(mockUserConnection),
       };
 
       require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
       require('~/config').getFlowStateManager.mockReturnValue({});
       require('~/cache').getLogStores.mockReturnValue({});
-      require('@librechat/api').getUserMCPAuthMap.mockResolvedValue({
-        'mcp:test-server': {
-          API_KEY: 'api-key-value',
-        },
-      });
-      require('~/models').findPluginAuthsByKeys.mockResolvedValue([
-        { key: 'API_KEY', value: 'api-key-value' },
-      ]);
 
       const { getCachedTools, setCachedTools } = require('~/server/services/Config');
-      const { updateMCPUserTools } = require('~/server/services/Config/mcpToolsCache');
       getCachedTools.mockResolvedValue({});
       setCachedTools.mockResolvedValue();
-      updateMCPUserTools.mockResolvedValue();
-
-      require('~/server/services/Tools/mcp').reinitMCPServer.mockResolvedValue({
-        success: true,
-        message: "MCP server 'test-server' reinitialized successfully",
-        serverName: 'test-server',
-        oauthRequired: false,
-        oauthUrl: null,
-      });
 
       const response = await request(app).post('/api/mcp/test-server/reinitialize');
 
       expect(response.status).toBe(200);
       expect(response.body.success).toBe(true);
-      expect(require('@librechat/api').getUserMCPAuthMap).toHaveBeenCalledWith({
-        userId: 'test-user-id',
-        servers: ['test-server'],
-        findPluginAuthsByKeys: require('~/models').findPluginAuthsByKeys,
+    });
+
+    it('should return failure message when reinitialize completely fails', async () => {
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'test-server': {},
+        },
       });
+
+      const mockMcpManager = {
+        disconnectServer: jest.fn().mockResolvedValue(),
+        mcpConfigs: {},
+        getUserConnection: jest.fn().mockResolvedValue(null),
+      };
+
+      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
+      require('~/config').getFlowStateManager.mockReturnValue({});
+      require('~/cache').getLogStores.mockReturnValue({});
+
+      const { getCachedTools, setCachedTools } = require('~/server/services/Config');
+      const { Constants } = require('librechat-data-provider');
+      getCachedTools.mockResolvedValue({
+        [`existing-tool${Constants.mcp_delimiter}test-server`]: { type: 'function' },
+      });
+      setCachedTools.mockResolvedValue();
+
+      const response = await request(app).post('/api/mcp/test-server/reinitialize');
+
+      expect(response.status).toBe(200);
+      expect(response.body.success).toBe(false);
+      expect(response.body.message).toBe("Failed to reinitialize MCP server 'test-server'");
     });
   });
 
@@ -1026,19 +984,21 @@ describe('MCP Routes', () => {
   });
 
   describe('GET /:serverName/auth-values', () => {
+    const { loadCustomConfig } = require('~/server/services/Config');
     const { getUserPluginAuthValue } = require('~/server/services/PluginService');
 
     it('should return auth value flags for server', async () => {
-      const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue({
-          customUserVars: {
-            API_KEY: 'some-env-var',
-            SECRET_TOKEN: 'another-env-var',
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'test-server': {
+            customUserVars: {
+              API_KEY: 'some-env-var',
+              SECRET_TOKEN: 'another-env-var',
+            },
           },
-        }),
-      };
+        },
+      });
 
-      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
       getUserPluginAuthValue.mockResolvedValueOnce('some-api-key-value').mockResolvedValueOnce('');
 
       const response = await request(app).get('/api/mcp/test-server/auth-values');
@@ -1057,11 +1017,11 @@ describe('MCP Routes', () => {
     });
 
     it('should return 404 when server is not found in configuration', async () => {
-      const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue(null),
-      };
-
-      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'other-server': {},
+        },
+      });
 
       const response = await request(app).get('/api/mcp/non-existent-server/auth-values');
 
@@ -1072,15 +1032,16 @@ describe('MCP Routes', () => {
     });
 
     it('should handle errors when checking auth values', async () => {
-      const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue({
-          customUserVars: {
-            API_KEY: 'some-env-var',
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'test-server': {
+            customUserVars: {
+              API_KEY: 'some-env-var',
+            },
           },
-        }),
-      };
+        },
+      });
 
-      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
       getUserPluginAuthValue.mockRejectedValue(new Error('Database error'));
 
       const response = await request(app).get('/api/mcp/test-server/auth-values');
@@ -1096,13 +1057,7 @@ describe('MCP Routes', () => {
     });
 
     it('should return 500 when auth values check throws unexpected error', async () => {
-      const mockMcpManager = {
-        getRawConfig: jest.fn().mockImplementation(() => {
-          throw new Error('Config loading failed');
-        }),
-      };
-
-      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
+      loadCustomConfig.mockRejectedValue(new Error('Config loading failed'));
 
       const response = await request(app).get('/api/mcp/test-server/auth-values');
 
@@ -1111,13 +1066,14 @@ describe('MCP Routes', () => {
     });
 
     it('should handle customUserVars that is not an object', async () => {
-      const mockMcpManager = {
-        getRawConfig: jest.fn().mockReturnValue({
-          customUserVars: 'not-an-object',
-        }),
-      };
-
-      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
+      const { loadCustomConfig } = require('~/server/services/Config');
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'test-server': {
+            customUserVars: 'not-an-object',
+          },
+        },
+      });
 
       const response = await request(app).get('/api/mcp/test-server/auth-values');
 
@@ -1141,6 +1097,98 @@ describe('MCP Routes', () => {
     });
   });
 
+  describe('POST /:serverName/reinitialize - Tool Deletion Coverage', () => {
+    it('should handle null cached tools during reinitialize (triggers || {} fallback)', async () => {
+      const { loadCustomConfig, getCachedTools } = require('~/server/services/Config');
+
+      const mockUserConnection = {
+        fetchTools: jest.fn().mockResolvedValue([{ name: 'new-tool', description: 'A new tool' }]),
+      };
+
+      const mockMcpManager = {
+        getUserConnection: jest.fn().mockResolvedValue(mockUserConnection),
+        disconnectServer: jest.fn(),
+        initializeServer: jest.fn(),
+        mcpConfigs: {},
+      };
+      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
+
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'test-server': { env: { API_KEY: 'test-key' } },
+        },
+      });
+
+      getCachedTools.mockResolvedValue(null);
+
+      const response = await request(app).post('/api/mcp/test-server/reinitialize').expect(200);
+
+      expect(response.body).toEqual({
+        message: "MCP server 'test-server' reinitialized successfully",
+        success: true,
+        oauthRequired: false,
+        oauthUrl: null,
+        serverName: 'test-server',
+      });
+    });
+
+    it('should delete existing cached tools during successful reinitialize', async () => {
+      const {
+        loadCustomConfig,
+        getCachedTools,
+        setCachedTools,
+      } = require('~/server/services/Config');
+
+      const mockUserConnection = {
+        fetchTools: jest.fn().mockResolvedValue([{ name: 'new-tool', description: 'A new tool' }]),
+      };
+
+      const mockMcpManager = {
+        getUserConnection: jest.fn().mockResolvedValue(mockUserConnection),
+        disconnectServer: jest.fn(),
+        initializeServer: jest.fn(),
+        mcpConfigs: {},
+      };
+      require('~/config').getMCPManager.mockReturnValue(mockMcpManager);
+
+      loadCustomConfig.mockResolvedValue({
+        mcpServers: {
+          'test-server': { env: { API_KEY: 'test-key' } },
+        },
+      });
+
+      const existingTools = {
+        'old-tool_mcp_test-server': { type: 'function' },
+        'other-tool_mcp_other-server': { type: 'function' },
+      };
+      getCachedTools.mockResolvedValue(existingTools);
+
+      const response = await request(app).post('/api/mcp/test-server/reinitialize').expect(200);
+
+      expect(response.body).toEqual({
+        message: "MCP server 'test-server' reinitialized successfully",
+        success: true,
+        oauthRequired: false,
+        oauthUrl: null,
+        serverName: 'test-server',
+      });
+
+      expect(setCachedTools).toHaveBeenCalledWith(
+        expect.objectContaining({
+          'new-tool_mcp_test-server': expect.any(Object),
+          'other-tool_mcp_other-server': { type: 'function' },
+        }),
+        { userId: 'test-user-id' },
+      );
+      expect(setCachedTools).toHaveBeenCalledWith(
+        expect.not.objectContaining({
+          'old-tool_mcp_test-server': expect.anything(),
+        }),
+        { userId: 'test-user-id' },
+      );
+    });
+  });
+
   describe('GET /:serverName/oauth/callback - Edge Cases', () => {
     it('should handle OAuth callback without toolFlowId (falsy toolFlowId)', async () => {
       const { MCPOAuthHandler } = require('@librechat/api');

api/server/routes/agents/actions.js

@@ -83,11 +83,7 @@ router.post(
       }
 
       let metadata = await encryptMetadata(removeNullishValues(_metadata, true));
-      const appConfig = req.config;
-      const isDomainAllowed = await isActionDomainAllowed(
-        metadata.domain,
-        appConfig?.actions?.allowedDomains,
-      );
+      const isDomainAllowed = await isActionDomainAllowed(metadata.domain);
       if (!isDomainAllowed) {
         return res.status(400).json({ message: 'Domain not allowed' });
       }

api/server/routes/agents/index.js

@@ -4,7 +4,6 @@ const {
   checkBan,
   requireJwtAuth,
   messageIpLimiter,
-  configMiddleware,
   concurrentLimiter,
   messageUserLimiter,
 } = require('~/server/middleware');
@@ -23,8 +22,6 @@ router.use(uaParser);
 router.use('/', v1);
 
 const chatRouter = express.Router();
-chatRouter.use(configMiddleware);
-
 if (isEnabled(LIMIT_CONCURRENT_MESSAGES)) {
   chatRouter.use(concurrentLimiter);
 }
@@ -40,4 +37,6 @@ if (isEnabled(LIMIT_MESSAGE_USER)) {
 chatRouter.use('/', chat);
 router.use('/chat', chatRouter);
 
+// Add marketplace routes
+
 module.exports = router;

api/server/routes/agents/tools.js

@@ -1,7 +1,7 @@
 const express = require('express');
 const { callTool, verifyToolAuth, getToolCalls } = require('~/server/controllers/tools');
 const { getAvailableTools } = require('~/server/controllers/PluginController');
-const { toolCallLimiter } = require('~/server/middleware');
+const { toolCallLimiter } = require('~/server/middleware/limiters');
 
 const router = express.Router();
 

api/server/routes/agents/v1.js

@@ -1,7 +1,7 @@
 const express = require('express');
 const { generateCheckAccess } = require('@librechat/api');
 const { PermissionTypes, Permissions, PermissionBits } = require('librechat-data-provider');
-const { requireJwtAuth, configMiddleware, canAccessAgentResource } = require('~/server/middleware');
+const { requireJwtAuth, canAccessAgentResource } = require('~/server/middleware');
 const v1 = require('~/server/controllers/agents/v1');
 const { getRoleByName } = require('~/models/Role');
 const actions = require('./actions');
@@ -36,17 +36,17 @@ router.use(requireJwtAuth);
  * Agent actions route.
  * @route GET|POST /agents/actions
  */
-router.use('/actions', configMiddleware, actions);
+router.use('/actions', actions);
 
 /**
  * Get a list of available tools for agents.
  * @route GET /agents/tools
  */
-router.use('/tools', configMiddleware, tools);
+router.use('/tools', tools);
 
 /**
  * Get all agent categories with counts
- * @route GET /agents/categories
+ * @route GET /agents/marketplace/categories
  */
 router.get('/categories', v1.getAgentCategories);
 /**

api/server/routes/assistants/actions.js

@@ -1,12 +1,12 @@
 const express = require('express');
 const { nanoid } = require('nanoid');
-const { logger } = require('@librechat/data-schemas');
 const { actionDelimiter, EModelEndpoint, removeNullishValues } = require('librechat-data-provider');
 const { encryptMetadata, domainParser } = require('~/server/services/ActionService');
 const { getOpenAIClient } = require('~/server/controllers/assistants/helpers');
 const { updateAction, getActions, deleteAction } = require('~/models/Action');
 const { updateAssistantDoc, getAssistant } = require('~/models/Assistant');
 const { isActionDomainAllowed } = require('~/server/services/domains');
+const { logger } = require('~/config');
 
 const router = express.Router();
 
@@ -21,7 +21,6 @@ const router = express.Router();
  */
 router.post('/:assistant_id', async (req, res) => {
   try {
-    const appConfig = req.config;
     const { assistant_id } = req.params;
 
     /** @type {{ functions: FunctionTool[], action_id: string, metadata: ActionMetadata }} */
@@ -31,10 +30,7 @@ router.post('/:assistant_id', async (req, res) => {
     }
 
     let metadata = await encryptMetadata(removeNullishValues(_metadata, true));
-    const isDomainAllowed = await isActionDomainAllowed(
-      metadata.domain,
-      appConfig?.actions?.allowedDomains,
-    );
+    const isDomainAllowed = await isActionDomainAllowed(metadata.domain);
     if (!isDomainAllowed) {
       return res.status(400).json({ message: 'Domain not allowed' });
     }
@@ -129,7 +125,7 @@ router.post('/:assistant_id', async (req, res) => {
     }
 
     /* Map Azure OpenAI model to the assistant as defined by config */
-    if (appConfig.endpoints?.[EModelEndpoint.azureOpenAI]?.assistants) {
+    if (req.app.locals[EModelEndpoint.azureOpenAI]?.assistants) {
       updatedAssistant = {
         ...updatedAssistant,
         model: req.body.model,

api/server/routes/assistants/index.js

@@ -1,6 +1,6 @@
 const express = require('express');
-const { uaParser, checkBan, requireJwtAuth, configMiddleware } = require('~/server/middleware');
 const router = express.Router();
+const { uaParser, checkBan, requireJwtAuth } = require('~/server/middleware');
 
 const { v1 } = require('./v1');
 const chatV1 = require('./chatV1');
@@ -10,7 +10,6 @@ const chatV2 = require('./chatV2');
 router.use(requireJwtAuth);
 router.use(checkBan);
 router.use(uaParser);
-router.use(configMiddleware);
 router.use('/v1/', v1);
 router.use('/v1/chat', chatV1);
 router.use('/v2/', v2);

api/server/routes/assistants/v2.js

@@ -1,5 +1,4 @@
 const express = require('express');
-const { configMiddleware } = require('~/server/middleware');
 const v1 = require('~/server/controllers/assistants/v1');
 const v2 = require('~/server/controllers/assistants/v2');
 const documents = require('./documents');
@@ -7,7 +6,6 @@ const actions = require('./actions');
 const tools = require('./tools');
 
 const router = express.Router();
-router.use(configMiddleware);
 
 /**
  * Assistant actions route.

api/server/routes/auth.js

@@ -1,75 +1,75 @@
 const express = require('express');
-const { createSetBalanceConfig } = require('@librechat/api');
 const {
-  resetPasswordRequestController,
-  resetPasswordController,
-  registrationController,
-  graphTokenController,
   refreshController,
+  registrationController,
+  resetPasswordController,
+  resetPasswordRequestController,
+  graphTokenController,
 } = require('~/server/controllers/AuthController');
+const { loginController } = require('~/server/controllers/auth/LoginController');
+const { logoutController } = require('~/server/controllers/auth/LogoutController');
+const { verify2FAWithTempToken } = require('~/server/controllers/auth/TwoFactorAuthController');
 const {
-  regenerateBackupCodes,
-  disable2FA,
-  confirm2FA,
   enable2FA,
   verify2FA,
+  disable2FA,
+  regenerateBackupCodes,
+  confirm2FA,
 } = require('~/server/controllers/TwoFactorController');
-const { verify2FAWithTempToken } = require('~/server/controllers/auth/TwoFactorAuthController');
-const { logoutController } = require('~/server/controllers/auth/LogoutController');
-const { loginController } = require('~/server/controllers/auth/LoginController');
-const { getAppConfig } = require('~/server/services/Config');
-const middleware = require('~/server/middleware');
-const { Balance } = require('~/db/models');
-
-const setBalanceConfig = createSetBalanceConfig({
-  getAppConfig,
-  Balance,
-});
+const {
+  checkBan,
+  logHeaders,
+  loginLimiter,
+  requireJwtAuth,
+  checkInviteUser,
+  registerLimiter,
+  requireLdapAuth,
+  setBalanceConfig,
+  requireLocalAuth,
+  resetPasswordLimiter,
+  validateRegistration,
+  validatePasswordReset,
+} = require('~/server/middleware');
 
 const router = express.Router();
 
 const ldapAuth = !!process.env.LDAP_URL && !!process.env.LDAP_USER_SEARCH_BASE;
 //Local
-router.post('/logout', middleware.requireJwtAuth, logoutController);
+router.post('/logout', requireJwtAuth, logoutController);
 router.post(
   '/login',
-  middleware.logHeaders,
-  middleware.loginLimiter,
-  middleware.checkBan,
-  ldapAuth ? middleware.requireLdapAuth : middleware.requireLocalAuth,
+  logHeaders,
+  loginLimiter,
+  checkBan,
+  ldapAuth ? requireLdapAuth : requireLocalAuth,
   setBalanceConfig,
   loginController,
 );
 router.post('/refresh', refreshController);
 router.post(
   '/register',
-  middleware.registerLimiter,
-  middleware.checkBan,
-  middleware.checkInviteUser,
-  middleware.validateRegistration,
+  registerLimiter,
+  checkBan,
+  checkInviteUser,
+  validateRegistration,
   registrationController,
 );
 router.post(
   '/requestPasswordReset',
-  middleware.resetPasswordLimiter,
-  middleware.checkBan,
-  middleware.validatePasswordReset,
+  resetPasswordLimiter,
+  checkBan,
+  validatePasswordReset,
   resetPasswordRequestController,
 );
-router.post(
-  '/resetPassword',
-  middleware.checkBan,
-  middleware.validatePasswordReset,
-  resetPasswordController,
-);
+router.post('/resetPassword', checkBan, validatePasswordReset, resetPasswordController);
 
-router.get('/2fa/enable', middleware.requireJwtAuth, enable2FA);
-router.post('/2fa/verify', middleware.requireJwtAuth, verify2FA);
-router.post('/2fa/verify-temp', middleware.checkBan, verify2FAWithTempToken);
-router.post('/2fa/confirm', middleware.requireJwtAuth, confirm2FA);
-router.post('/2fa/disable', middleware.requireJwtAuth, disable2FA);
-router.post('/2fa/backup/regenerate', middleware.requireJwtAuth, regenerateBackupCodes);
+router.get('/2fa/enable', requireJwtAuth, enable2FA);
+router.post('/2fa/verify', requireJwtAuth, verify2FA);
+router.post('/2fa/verify-temp', checkBan, verify2FAWithTempToken);
+router.post('/2fa/confirm', requireJwtAuth, confirm2FA);
+router.post('/2fa/disable', requireJwtAuth, disable2FA);
+router.post('/2fa/backup/regenerate', requireJwtAuth, regenerateBackupCodes);
 
-router.get('/graph-token', middleware.requireJwtAuth, graphTokenController);
+router.get('/graph-token', requireJwtAuth, graphTokenController);
 
 module.exports = router;

api/server/routes/config.js

@@ -1,14 +1,9 @@
 const express = require('express');
+const { isEnabled } = require('@librechat/api');
 const { logger } = require('@librechat/data-schemas');
-const { isEnabled, getBalanceConfig } = require('@librechat/api');
-const {
-  Constants,
-  CacheKeys,
-  removeNullishValues,
-  defaultSocialLogins,
-} = require('librechat-data-provider');
+const { CacheKeys, defaultSocialLogins, Constants } = require('librechat-data-provider');
+const { getCustomConfig } = require('~/server/services/Config/getCustomConfig');
 const { getLdapConfig } = require('~/server/services/Config/ldap');
-const { getAppConfig } = require('~/server/services/Config/app');
 const { getProjectByName } = require('~/models/Project');
 const { getMCPManager } = require('~/config');
 const { getLogStores } = require('~/cache');
@@ -48,8 +43,6 @@ router.get('/', async function (req, res) {
   const ldap = getLdapConfig();
 
   try {
-    const appConfig = await getAppConfig({ role: req.user?.role });
-
     const isOpenIdEnabled =
       !!process.env.OPENID_CLIENT_ID &&
       !!process.env.OPENID_CLIENT_SECRET &&
@@ -62,12 +55,10 @@ router.get('/', async function (req, res) {
       !!process.env.SAML_CERT &&
       !!process.env.SAML_SESSION_SECRET;
 
-    const balanceConfig = getBalanceConfig(appConfig);
-
     /** @type {TStartupConfig} */
     const payload = {
       appTitle: process.env.APP_TITLE || 'LibreChat',
-      socialLogins: appConfig?.registration?.socialLogins ?? defaultSocialLogins,
+      socialLogins: req.app.locals.socialLogins ?? defaultSocialLogins,
       discordLoginEnabled: !!process.env.DISCORD_CLIENT_ID && !!process.env.DISCORD_CLIENT_SECRET,
       facebookLoginEnabled:
         !!process.env.FACEBOOK_CLIENT_ID && !!process.env.FACEBOOK_CLIENT_SECRET,
@@ -100,10 +91,10 @@ router.get('/', async function (req, res) {
         isEnabled(process.env.SHOW_BIRTHDAY_ICON) ||
         process.env.SHOW_BIRTHDAY_ICON === '',
       helpAndFaqURL: process.env.HELP_AND_FAQ_URL || 'https://librechat.ai',
-      interface: appConfig?.interfaceConfig,
-      turnstile: appConfig?.turnstileConfig,
-      modelSpecs: appConfig?.modelSpecs,
-      balance: balanceConfig,
+      interface: req.app.locals.interfaceConfig,
+      turnstile: req.app.locals.turnstileConfig,
+      modelSpecs: req.app.locals.modelSpecs,
+      balance: req.app.locals.balance,
       sharedLinksEnabled,
       publicSharedLinksEnabled,
       analyticsGtmId: process.env.ANALYTICS_GTM_ID,
@@ -118,31 +109,24 @@ router.get('/', async function (req, res) {
     };
 
     payload.mcpServers = {};
-    const getMCPServers = () => {
-      try {
-        const mcpManager = getMCPManager();
-        if (!mcpManager) {
-          return;
-        }
-        const mcpServers = mcpManager.getAllServers();
-        if (!mcpServers) return;
-        const oauthServers = mcpManager.getOAuthServers();
-        for (const serverName in mcpServers) {
-          const serverConfig = mcpServers[serverName];
-          payload.mcpServers[serverName] = removeNullishValues({
-            startup: serverConfig?.startup,
-            chatMenu: serverConfig?.chatMenu,
-            isOAuth: oauthServers?.has(serverName),
-            customUserVars: serverConfig?.customUserVars,
-          });
-        }
-      } catch (error) {
-        logger.error('Error loading MCP servers', error);
-      }
-    };
+    const config = await getCustomConfig();
+    if (config?.mcpServers != null) {
+      const mcpManager = getMCPManager();
+      const oauthServers = mcpManager.getOAuthServers();
 
-    getMCPServers();
-    const webSearchConfig = appConfig?.webSearch;
+      for (const serverName in config.mcpServers) {
+        const serverConfig = config.mcpServers[serverName];
+        payload.mcpServers[serverName] = {
+          customUserVars: serverConfig?.customUserVars || {},
+          chatMenu: serverConfig?.chatMenu,
+          isOAuth: oauthServers.has(serverName),
+          startup: serverConfig?.startup,
+        };
+      }
+    }
+
+    /** @type {TCustomConfig['webSearch']} */
+    const webSearchConfig = req.app.locals.webSearch;
     if (
       webSearchConfig != null &&
       (webSearchConfig.searchProvider ||

api/server/routes/endpoints.js

@@ -1,7 +1,9 @@
 const express = require('express');
-const endpointController = require('~/server/controllers/EndpointController');
-
 const router = express.Router();
+const endpointController = require('~/server/controllers/EndpointController');
+const overrideController = require('~/server/controllers/OverrideController');
+
 router.get('/', endpointController);
+router.get('/config/override', overrideController);
 
 module.exports = router;

api/server/routes/files/avatar.js

@@ -1,16 +1,15 @@
 const fs = require('fs').promises;
 const express = require('express');
-const { logger } = require('@librechat/data-schemas');
 const { getStrategyFunctions } = require('~/server/services/Files/strategies');
 const { resizeAvatar } = require('~/server/services/Files/images/avatar');
-const { getFileStrategy } = require('~/server/utils/getFileStrategy');
 const { filterFile } = require('~/server/services/Files/process');
+const { getFileStrategy } = require('~/server/utils/getFileStrategy');
+const { logger } = require('~/config');
 
 const router = express.Router();
 
 router.post('/', async (req, res) => {
   try {
-    const appConfig = req.config;
     filterFile({ req, file: req.file, image: true, isAvatar: true });
     const userId = req.user.id;
     const { manual } = req.body;
@@ -20,8 +19,8 @@ router.post('/', async (req, res) => {
       throw new Error('User ID is undefined');
     }
 
-    const fileStrategy = getFileStrategy(appConfig, { isAvatar: true });
-    const desiredFormat = appConfig.imageOutputType;
+    const fileStrategy = getFileStrategy(req.app.locals, { isAvatar: true });
+    const desiredFormat = req.app.locals.imageOutputType;
     const resizedBuffer = await resizeAvatar({
       userId,
       input,
@@ -40,7 +39,7 @@ router.post('/', async (req, res) => {
     try {
       await fs.unlink(req.file.path);
       logger.debug('[/files/images/avatar] Temp. image upload file deleted');
-    } catch {
+    } catch (error) {
       logger.debug('[/files/images/avatar] Temp. image upload file already deleted');
     }
   }

api/server/routes/files/files.js

@@ -36,9 +36,8 @@ const router = express.Router();
 
 router.get('/', async (req, res) => {
   try {
-    const appConfig = req.config;
     const files = await getFiles({ user: req.user.id });
-    if (appConfig.fileStrategy === FileSources.s3) {
+    if (req.app.locals.fileStrategy === FileSources.s3) {
       try {
         const cache = getLogStores(CacheKeys.S3_EXPIRY_INTERVAL);
         const alreadyChecked = await cache.get(req.user.id);
@@ -115,8 +114,7 @@ router.get('/agent/:agent_id', async (req, res) => {
 
 router.get('/config', async (req, res) => {
   try {
-    const appConfig = req.config;
-    res.status(200).json(appConfig.fileConfig);
+    res.status(200).json(req.app.locals.fileConfig);
   } catch (error) {
     logger.error('[/files] Error getting fileConfig', error);
     res.status(400).json({ message: 'Error in request', error: error.message });
@@ -387,8 +385,7 @@ router.post('/', async (req, res) => {
 
     if (
       error.message?.includes('Invalid file format') ||
-      error.message?.includes('No OCR result') ||
-      error.message?.includes('exceeds token limit')
+      error.message?.includes('No OCR result')
     ) {
       message = error.message;
     }

api/server/routes/files/images.js

@@ -1,19 +1,18 @@
 const path = require('path');
 const fs = require('fs').promises;
 const express = require('express');
-const { logger } = require('@librechat/data-schemas');
 const { isAgentsEndpoint } = require('librechat-data-provider');
 const {
   filterFile,
   processImageFile,
   processAgentFileUpload,
 } = require('~/server/services/Files/process');
+const { logger } = require('~/config');
 
 const router = express.Router();
 
 router.post('/', async (req, res) => {
   const metadata = req.body;
-  const appConfig = req.config;
 
   try {
     filterFile({ req, image: true });
@@ -29,20 +28,9 @@ router.post('/', async (req, res) => {
   } catch (error) {
     // TODO: delete remote file if it exists
     logger.error('[/files/images] Error processing file:', error);
-
-    let message = 'Error processing file';
-
-    if (
-      error.message?.includes('Invalid file format') ||
-      error.message?.includes('No OCR result') ||
-      error.message?.includes('exceeds token limit')
-    ) {
-      message = error.message;
-    }
-
     try {
       const filepath = path.join(
-        appConfig.paths.imageOutput,
+        req.app.locals.paths.imageOutput,
         req.user.id,
         path.basename(req.file.filename),
       );
@@ -50,12 +38,12 @@ router.post('/', async (req, res) => {
     } catch (error) {
       logger.error('[/files/images] Error deleting file:', error);
     }
-    res.status(500).json({ message });
+    res.status(500).json({ message: 'Error processing file' });
   } finally {
     try {
       await fs.unlink(req.file.path);
       logger.debug('[/files/images] Temp. image upload file deleted');
-    } catch {
+    } catch (error) {
       logger.debug('[/files/images] Temp. image upload file already deleted');
     }
   }

api/server/routes/files/index.js

@@ -1,11 +1,5 @@
 const express = require('express');
-const {
-  createFileLimiters,
-  configMiddleware,
-  requireJwtAuth,
-  uaParser,
-  checkBan,
-} = require('~/server/middleware');
+const { uaParser, checkBan, requireJwtAuth, createFileLimiters } = require('~/server/middleware');
 const { avatar: asstAvatarRouter } = require('~/server/routes/assistants/v1');
 const { avatar: agentAvatarRouter } = require('~/server/routes/agents/v1');
 const { createMulterInstance } = require('./multer');
@@ -18,7 +12,6 @@ const speech = require('./speech');
 const initialize = async () => {
   const router = express.Router();
   router.use(requireJwtAuth);
-  router.use(configMiddleware);
   router.use(checkBan);
   router.use(uaParser);