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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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Dustin Healy d65c228cea fix(mcp): address second round of Codex review findings 
Fixes 13 correctness issues flagged in the second Codex review pass on the
feat/mcp-apps-support branch.

Core server-side changes: resource URI and model-only-tool caches are now
scoped per user/server key so OAuth and user-sourced servers with differing
tool lists cannot cross-contaminate each other. The model-only visibility check
in appToolCall now blocks iframe-initiated calls to tools declared as
visibility: ['model']. appToolCall also runs processMCPEnv to resolve runtime
env/user vars and set request headers before forwarding to tools/call, and
throws for servers that require per-call OBO token minting (unsupported in this
path). parsers.ts now includes structuredContent in the synthetic resourceId
hash to guarantee uniqueness across repeated same-app calls with different
results, skips the early-return guard when a synthetic app resource is present,
appends the ui{} marker to the synthetic text block, and forwards the raw
content array alongside structuredContent so text/image-only app results are
not silently dropped.

Client-side changes: fetchMCPResourceHtml now returns the full _meta.ui from
the resources/read content item so CSP and permissions come from the canonical
location in the spec rather than the tool descriptor. useAppBridge falls back
to the resource-level values when the read result carries no overrides.
The sandbox retry interval clears when sandbox-resource-ready arrives, fixing
the race where the ready notification arrived before the transport was
connected. The size-change handler in MCPUIResource and UIResourceCarousel now
applies the reported height to the wrapper element, and MCPUIResource's iframe
style uses height: 100% so inline apps are not clipped. The carousel loading
placeholder now uses the localized key. Dockerfile.multi copies the sandbox
from client/dist (the Vite output) rather than the source tree, which is the
only path present in the multi-stage runtime image. baseUriDomains from the
CSP config are now honoured in buildCspPolicy instead of always emitting
base-uri 'self'. serverResources was removed from the AppBridge capabilities
advertisement because no resource handlers are registered on the bridge.
2026-06-23 18:18:51 -07:00
.devcontainer
.do/gitnexus
.github 🚦 ci: Stop Auto-Indexing PR Branches in GitNexus Index (#13866) 2026-06-20 11:03:21 -04:00
.husky
.vscode
api fix(ci): add @modelcontextprotocol/ext-apps to jest transformIgnorePatterns and fix import sort 2026-06-23 15:46:38 -07:00
client fix(mcp): address second round of Codex review findings 2026-06-23 18:18:51 -07:00
config
e2e 🖇️ feat: Reference Selected Chat Text with Multi-Quote Popup (#13868) 2026-06-21 08:33:11 -04:00
helm
packages fix(mcp): address second round of Codex review findings 2026-06-23 18:18:51 -07:00
redis-config
scripts
skill
src/tests
utils
.dockerignore
.env.example 🔗 feat: Snapshot Files for Shared-Link Attachments (#13740) 2026-06-20 23:05:13 -04:00
.gitattributes
.gitignore
.nvmrc
.prettierrc
AGENTS.md
bun.lock
CLAUDE.md
deploy-compose.yml
docker-compose.override.yml.example
docker-compose.yml
Dockerfile
Dockerfile.multi fix(mcp): address second round of Codex review findings 2026-06-23 18:18:51 -07:00
eslint.config.mjs
librechat.example.yaml 🔗 feat: Snapshot Files for Shared-Link Attachments (#13740) 2026-06-20 23:05:13 -04:00
LICENSE
package-lock.json refactor: replace @mcp-ui/client with @modelcontextprotocol/ext-apps/app-bridge 2026-06-23 13:55:56 -07:00
package.json
rag.yml
README.md
README.zh.md
turbo.json

README.md

LibreChat

English · 中文

Deploy on Railway Deploy on Zeabur Deploy on Sealos

Translation Progress

✨ 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 Responses 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, Helicone, 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
      • 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
      • Skills: Create reusable SKILL.md instruction bundles for manual, automatic, or always-on agent workflows
      • Subagents: Delegate focused work to isolated child agent runs with their own context windows
      • Compatible with Custom Endpoints, OpenAI, Azure, Anthropic, AWS Bedrock, Google, Vertex AI, Responses API, and more
      • Model Context Protocol (MCP) Support for Tools

  • 🔍 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
    • Customizable Jina Reranking: Configure custom Jina API URLs for reranking services
    • 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
    • Create and share prompts with specific users and groups
    • 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 (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

  • 🧠 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

  • 🌊 Resumable Streams:

    • Never lose a response: AI responses automatically reconnect and resume if your connection drops
    • Multi-Tab & Multi-Device Sync: Open the same chat in multiple tabs or pick up on another device
    • Production-Ready: Works from single-server setups to horizontally scaled deployments with Redis

  • 🗣️ 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 S3 with CloudFront for stable media links, edge delivery, signed cookies, and secured downloads
    • 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 is a self-hosted AI chat platform that unifies all major AI providers in a single, privacy-focused interface.

Beyond chat, LibreChat provides AI Agents, Model Context Protocol (MCP) support, Artifacts, Code Interpreter, custom actions, conversation search, and enterprise-ready multi-user authentication.

Open source, actively developed, and built for anyone who values control over their AI infrastructure.

🌐 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

Star History Chart

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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