Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active. https://librechat.ai/
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Danny Avila ec7370dfe9
🪐 feat: MCP OAuth 2.0 Discovery Support (#7924)
* chore: Update @modelcontextprotocol/sdk to version 1.12.3 in package.json and package-lock.json

- Bump version of @modelcontextprotocol/sdk to 1.12.3 to incorporate recent updates.
- Update dependencies for ajv and cross-spawn to their latest versions.
- Add ajv as a new dependency in the sdk module.
- Include json-schema-traverse as a new dependency in the sdk module.

* feat: @librechat/auth

* feat: Add crypto module exports to auth package

- Introduced a new crypto module by creating index.ts in the crypto directory.
- Updated the main index.ts of the auth package to export from the new crypto module.

* feat: Update package dependencies and build scripts for auth package

- Added @librechat/auth as a dependency in package.json and package-lock.json.
- Updated build scripts to include the auth package in both frontend and bun build processes.
- Removed unused mongoose and openid-client dependencies from package-lock.json for cleaner dependency management.

* refactor: Migrate crypto utility functions to @librechat/auth

- Replaced local crypto utility imports with the new @librechat/auth package across multiple files.
- Removed the obsolete crypto.js file and its exports.
- Updated relevant services and models to utilize the new encryption and decryption methods from @librechat/auth.

* feat: Enhance OAuth token handling and update dependencies in auth package

* chore: Remove Token model and TokenService due to restructuring of OAuth handling

- Deleted the Token.js model and TokenService.js, which were responsible for managing OAuth tokens.
- This change is part of a broader refactor to streamline OAuth token management and improve code organization.

* refactor: imports from '@librechat/auth' to '@librechat/api' and add OAuth token handling functionality

* refactor: Simplify logger usage in MCP and FlowStateManager classes

* chore: fix imports

* feat: Add OAuth configuration schema to MCP with token exchange method support

* feat: FIRST PASS Implement MCP OAuth flow with token management and error handling

- Added a new route for handling OAuth callbacks and token retrieval.
- Integrated OAuth token storage and retrieval mechanisms.
- Enhanced MCP connection to support automatic OAuth flow initiation on 401 errors.
- Implemented dynamic client registration and metadata discovery for OAuth.
- Updated MCPManager to manage OAuth tokens and handle authentication requirements.
- Introduced comprehensive logging for OAuth processes and error handling.

* refactor: Update MCPConnection and MCPManager to utilize new URL handling

- Added a `url` property to MCPConnection for better URL management.
- Refactored MCPManager to use the new `url` property instead of a deprecated method for OAuth handling.
- Changed logging from info to debug level for flow manager and token methods initialization.
- Improved comments for clarity on existing tokens and OAuth event listener setup.

* refactor: Improve connection timeout error messages in MCPConnection and MCPManager and use initTimeout for connection

- Updated the connection timeout error messages to include the duration of the timeout.
- Introduced a configurable `connectTimeout` variable in both MCPConnection and MCPManager for better flexibility.

* chore: cleanup MCP OAuth Token exchange handling; fix: erroneous use of flowsCache and remove verbose logs

* refactor: Update MCPManager and MCPTokenStorage to use TokenMethods for token management

- Removed direct token storage handling in MCPManager and replaced it with TokenMethods for better abstraction.
- Refactored MCPTokenStorage methods to accept parameters for token operations, enhancing flexibility and readability.
- Improved logging messages related to token persistence and retrieval processes.

* refactor: Update MCP OAuth handling to use static methods and improve flow management

- Refactored MCPOAuthHandler to utilize static methods for initiating and completing OAuth flows, enhancing clarity and reducing instance dependencies.
- Updated MCPManager to pass flowManager explicitly to OAuth handling methods, improving flexibility in flow state management.
- Enhanced comments and logging for better understanding of OAuth processes and flow state retrieval.

* refactor: Integrate token methods into createMCPTool for enhanced token management

* refactor: Change logging from info to debug level in MCPOAuthHandler for improved log management

* chore: clean up logging

* feat: first pass, auth URL from MCP OAuth flow

* chore: Improve logging format for OAuth authentication URL display

* chore: cleanup mcp manager comments

* feat: add connection reconnection logic in MCPManager

* refactor: reorganize token storage handling in MCP

- Moved token storage logic from MCPManager to a new MCPTokenStorage class for better separation of concerns.
- Updated imports to reflect the new token storage structure.
- Enhanced methods for storing, retrieving, updating, and deleting OAuth tokens, improving overall token management.

* chore: update comment for SYSTEM_USER_ID in MCPManager for clarity

* feat: implement refresh token functionality in MCP

- Added refresh token handling in MCPManager to support token renewal for both app-level and user-specific connections.
- Introduced a refreshTokens function to facilitate token refresh logic.
- Enhanced MCPTokenStorage to manage client information and refresh token processes.
- Updated logging for better traceability during token operations.

* chore: cleanup @librechat/auth

* feat: implement MCP server initialization in a separate service

- Added a new service to handle the initialization of MCP servers, improving code organization and readability.
- Refactored the server startup logic to utilize the new initializeMCP function.
- Removed redundant MCP initialization code from the main server file.

* fix: don't log auth url for user connections

* feat: enhance OAuth flow with success and error handling components

- Updated OAuth callback routes to redirect to new success and error pages instead of sending status messages.
- Introduced `OAuthSuccess` and `OAuthError` components to provide user feedback during authentication.
- Added localization support for success and error messages in the translation files.
- Implemented countdown functionality in the success component for a better user experience.

* fix: refresh token handling for user connections, add missing URL and methods

- add standard enum for system user id and helper for determining app-lvel vs. user-level connections

* refactor: update token handling in MCPManager and MCPTokenStorage

* fix: improve error logging in OAuth authentication handler

* fix: concurrency issues for both login url emission and concurrency of oauth flows for shared flows (same user, same server, multiple calls for same server)

* fix: properly fail shared flows for concurrent server calls and prevent duplication of tokens

* chore: remove unused auth package directory from update configuration

* ci: fix mocks in samlStrategy tests

* ci: add mcpConfig to AppService test setup

* chore: remove obsolete MCP OAuth implementation documentation

* fix: update build script for API to use correct command

* chore: bump version of @librechat/api to 1.2.4

* fix: update abort signal handling in createMCPTool function

* fix: add optional clientInfo parameter to refreshTokensFunction metadata

* refactor: replace app.locals.availableTools with getCachedTools in multiple services and controllers for improved tool management

* fix: concurrent refresh token handling issue

* refactor: add signal parameter to getUserConnection method for improved abort handling

* chore: JSDoc typing for `loadEphemeralAgent`

* refactor: update isConnectionActive method to use destructured parameters for improved readability

* feat: implement caching for MCP tools to handle app-level disconnects for loading list of tools

* ci: fix agent test
2025-06-17 13:50:33 -04:00
.devcontainer 🐋 chore: remove Docker version syntax as its no longer (#4375) 2024-10-19 08:22:26 -04:00
.github feat: Add Dynamic User Field Placeholder Support in MCP Variables (#7825) 2025-06-10 22:20:41 -04:00
.husky 🐳 hotfix: Necessary Dockerfile Update (#2271) 2024-04-01 18:46:12 -04:00
.vscode 🚀 feat: Add Gemini 2.0 Support, Update Packages and Deprecations (#4951) 2024-12-11 14:11:27 -05:00
api 🪐 feat: MCP OAuth 2.0 Discovery Support (#7924) 2025-06-17 13:50:33 -04:00
client 🪐 feat: MCP OAuth 2.0 Discovery Support (#7924) 2025-06-17 13:50:33 -04:00
config 🚮 feat: Enhance "Delete User" Script (#7899) 2025-06-15 15:08:31 -04:00
e2e 🏗️ refactor: Extract DB layers to data-schemas for shared use (#7650) 2025-05-30 22:18:13 -04:00
helm 🪖 chore: bump helm app version to v0.7.8 (#7524) 2025-05-23 17:39:42 -04:00
packages 🪐 feat: MCP OAuth 2.0 Discovery Support (#7924) 2025-06-17 13:50:33 -04:00
utils 💻 feat: added env updater script (#3107) 2024-06-21 10:14:18 -04:00
.dockerignore 🐳 : Further Docker build Cleanup & Docs Update (#1502) 2024-01-06 11:59:08 -05:00
.env.example 📧 feat: Mailgun API Email Configuration (#7742) 2025-06-04 13:12:37 -04:00
.gitignore 🔑 feat: SAML authentication (#6169) 2025-05-29 11:00:58 -04:00
.prettierrc 🧹 chore: Migrate to Flat ESLint Config & Update Prettier Settings (#5737) 2025-02-09 12:15:20 -05:00
bun.lockb 🎨 feat: UI Refresh for Enhanced UX (#6346) 2025-03-25 18:50:58 -04:00
CHANGELOG.md 📜 docs: Unreleased Changelog (#7560) 2025-05-27 15:47:36 -04:00
deploy-compose.yml 🛠 refactor: Ensure File Deletions, File Naming, and Agent Resource Updates (#5928) 2025-02-17 19:37:03 -05:00
docker-compose.override.yml.example 🔑 feat: SAML authentication (#6169) 2025-05-29 11:00:58 -04:00
docker-compose.yml 🛠 refactor: Ensure File Deletions, File Naming, and Agent Resource Updates (#5928) 2025-02-17 19:37:03 -05:00
Dockerfile v0.7.8 (#7287) 2025-05-08 13:28:40 -04:00
Dockerfile.multi 🐳 chore: conflicting build stage name in Dockerfile.multi 2025-06-08 10:36:43 -04:00
eslint.config.mjs 🧠 feat: User Memories for Conversational Context (#7760) 2025-06-07 18:52:22 -04:00
librechat.example.yaml 🧠 feat: User Memories for Conversational Context (#7760) 2025-06-07 18:52:22 -04:00
LICENSE ⚖️ docs: Update LICENSE.md Year: 2024 -> 2025 (#5915) 2025-02-17 10:39:46 -05:00
package-lock.json 🪐 feat: MCP OAuth 2.0 Discovery Support (#7924) 2025-06-17 13:50:33 -04:00
package.json 🪐 feat: MCP OAuth 2.0 Discovery Support (#7924) 2025-06-17 13:50:33 -04:00
rag.yml 🐳 feat: RAG for Default Docker Compose Files + Docs Update (#2246) 2024-03-29 21:15:36 -04:00
README.md 📄 docs: update README (#7803) 2025-06-09 21:12:35 +02:00

LibreChat

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Features

  • 🖥️ UI & Experience inspired by ChatGPT with enhanced design and features

  • 🤖 AI Model Selection:

    • Anthropic (Claude), AWS Bedrock, OpenAI, Azure OpenAI, Google, Vertex AI, OpenAI Assistants API (incl. Azure)
    • Custom Endpoints: Use any OpenAI-compatible API with LibreChat, no proxy required
    • Compatible with Local & Remote AI Providers:
      • Ollama, groq, Cohere, Mistral AI, Apple MLX, koboldcpp, together.ai,
      • OpenRouter, Perplexity, ShuttleAI, Deepseek, Qwen, and more
  • 🔧 Code Interpreter API:

    • Secure, Sandboxed Execution in Python, Node.js (JS/TS), Go, C/C++, Java, PHP, Rust, and Fortran
    • Seamless File Handling: Upload, process, and download files directly
    • No Privacy Concerns: Fully isolated and secure execution
  • 🔦 Agents & Tools Integration:

    • LibreChat Agents:
      • No-Code Custom Assistants: Build specialized, AI-driven helpers without coding
      • Flexible & Extensible: Attach tools like DALL-E-3, file search, code execution, and more
      • Compatible with Custom Endpoints, OpenAI, Azure, Anthropic, AWS Bedrock, and more
      • Model Context Protocol (MCP) Support for Tools
    • Use LibreChat Agents and OpenAI Assistants with Files, Code Interpreter, Tools, and API Actions
  • 🔍 Web Search:

    • Search the internet and retrieve relevant information to enhance your AI context
    • Combines search providers, content scrapers, and result rerankers for optimal results
    • Learn More →
  • 🪄 Generative UI with Code Artifacts:

    • Code Artifacts allow creation of React, HTML, and Mermaid diagrams directly in chat
  • 🎨 Image Generation & Editing

  • 💾 Presets & Context Management:

    • Create, Save, & Share Custom Presets
    • Switch between AI Endpoints and Presets mid-chat
    • Edit, Resubmit, and Continue Messages with Conversation branching
    • Fork Messages & Conversations 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, 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
  • 🎨 Customizable Interface:

    • Customizable Dropdown & Interface that adapts to both power users and newcomers
  • 🗣️ Speech & Audio:

    • Chat hands-free with Speech-to-Text and Text-to-Speech
    • Automatically send and play Audio
    • Supports OpenAI, Azure OpenAI, and Elevenlabs
  • 📥 Import & Export Conversations:

    • Import Conversations from LibreChat, ChatGPT, Chatbot UI
    • Export conversations as screenshots, markdown, text, json
  • 🔍 Search & Discovery:

    • Search all messages/conversations
  • 👥 Multi-User & Secure Access:

    • Multi-User, Secure Authentication with OAuth2, LDAP, & Email Login Support
    • Built-in Moderation, and Token spend tools
  • ⚙️ Configuration & Deployment:

    • Configure Proxy, Reverse Proxy, Docker, & many Deployment options
    • Use completely local or deploy on the cloud
  • 📖 Open-Source & Community:

    • Completely Open-Source & Built in Public
    • Community-driven development, support, and feedback

For a thorough review of our features, see our docs here 📚

🪶 All-In-One AI Conversations with LibreChat

LibreChat brings together the future of assistant AIs with the revolutionary technology of OpenAI's ChatGPT. Celebrating the original styling, LibreChat gives you the ability to integrate multiple AI models. It also integrates and enhances original client features such as conversation and message search, prompt templates and plugins.

With LibreChat, you no longer need to opt for ChatGPT Plus and can instead use free or pay-per-call APIs. We welcome contributions, cloning, and forking to enhance the capabilities of this advanced chatbot platform.

Watch the video

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🌐 Resources

GitHub Repo:

Other:


📝 Changelog

Keep up with the latest updates by visiting the releases page and notes:

⚠️ Please consult the changelog for breaking changes before updating.


Star History

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danny-avila%2FLibreChat | Trendshift ROSS Index - Fastest Growing Open-Source Startups in Q1 2024 | Runa Capital


Contributions

Contributions, suggestions, bug reports and fixes are welcome!

For new features, components, or extensions, please open an issue and discuss before sending a PR.

If you'd like to help translate LibreChat into your language, we'd love your contribution! Improving our translations not only makes LibreChat more accessible to users around the world but also enhances the overall user experience. Please check out our Translation Guide.


💖 This project exists in its current state thanks to all the people who contribute


🎉 Special Thanks

We thank Locize for their translation management tools that support multiple languages in LibreChat.

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