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🗝️ feat: User Provided Credentials for MCP Servers (#7980)

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* 🗝️ feat: Per-User Credentials for MCP Servers

chore: add aider to gitignore

feat: fill custom variables to MCP server

feat: replace placeholders with custom user MCP variables

feat: handle MCP install/uninstall (uses pluginauths)

feat: add MCP custom variables dialog to MCPSelect

feat: add MCP custom variables dialog to the side panel

feat: do not require to fill MCP credentials for in tools dialog

feat: add translations keys (en+cs) for custom MCP variables

fix: handle LIBRECHAT_USER_ID correctly during MCP var replacement

style: remove unused MCP translation keys

style: fix eslint for MCP custom vars

chore: move aider gitignore to AI section

* feat: Add Plugin Authentication Methods to data-schemas

* refactor: Replace PluginAuth model methods with new utility functions for improved code organization and maintainability

* refactor: Move IPluginAuth interface to types directory for better organization and update pluginAuth schema to use the new import

* refactor: Remove unused getUsersPluginsAuthValuesMap function and streamline PluginService.js; add new getPluginAuthMap function for improved plugin authentication handling

* chore: fix typing for optional tools property with GenericTool[] type

* chore: update librechat-data-provider version to 0.7.88

* refactor: optimize getUserMCPAuthMap function by reducing variable usage and improving server key collection logic

* refactor: streamline MCP tool creation by removing customUserVars parameter and enhancing user-specific authentication handling to avoid closure encapsulation

* refactor: extract processSingleValue function to streamline MCP environment variable processing and enhance readability

* refactor: enhance MCP tool processing logic by simplifying conditions and improving authentication handling for custom user variables

* ci: fix action tests

* chore: fix imports, remove comments

* chore: remove non-english translations

* fix: remove newline at end of translation.json file

---------

Co-authored-by: Aleš Kůtek <kutekales@gmail.com>
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Danny Avila 2025-06-19 18:27:55 -04:00 • committed by GitHub
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commit 3e4b01de82
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8
api/app/clients/tools/util/handleTools.js
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@ -1,15 +1,14 @@
const { mcpToolPattern } = require('@librechat/api');
const { logger } = require('@librechat/data-schemas');
const { SerpAPI } = require('@langchain/community/tools/serpapi');
const { Calculator } = require('@langchain/community/tools/calculator');
const { EnvVar, createCodeExecutionTool, createSearchTool } = require('@librechat/agents');
const {
Tools,
Constants,
EToolResources,
loadWebSearchAuth,
replaceSpecialVars,
} = require('librechat-data-provider');
const { getUserPluginAuthValue } = require('~/server/services/PluginService');
const {
availableTools,
manifestToolMap,
@ -29,12 +28,11 @@ const {
} = require('../');
const { primeFiles: primeCodeFiles } = require('~/server/services/Files/Code/process');
const { createFileSearchTool, primeFiles: primeSearchFiles } = require('./fileSearch');
const { getUserPluginAuthValue } = require('~/server/services/PluginService');
const { loadAuthValues } = require('~/server/services/Tools/credentials');
const { getCachedTools } = require('~/server/services/Config');
const { createMCPTool } = require('~/server/services/MCP');
const mcpToolPattern = new RegExp(`^.+${Constants.mcp_delimiter}.+$`);
/**
* Validates the availability and authentication of tools for a user based on environment variables or user-specific plugin authentication values.
* Tools without required authentication or with valid authentication are considered valid.
@ -94,7 +92,7 @@ const validateTools = async (user, tools = []) => {
return Array.from(validToolsSet.values());
} catch (err) {
logger.error('[validateTools] There was a problem validating tools', err);
throw new Error('There was a problem validating tools');
throw new Error(err);
}
};