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 78ec1940a2
🧹 fix: Clean Up MCP OAuth State Mappings on Uninstall + Reject Superseded Callbacks (#14549)
* 🧹 fix: Clean Up MCP OAuth State Mappings on Uninstall + Reject Superseded Callbacks

Disconnecting an OAuth MCP server deleted its mcp_oauth flows but left the
mcp_oauth_state:{state} mappings behind for the full TTL. Because flow ids
are deterministic (userId:serverName) and the CSRF token is HMAC(flowId), a
stale browser tab's callback could resolve its orphaned state to the NEXT
flow for the same server, pass CSRF, burn the fresh flow's one-shot CSRF
cookie, and fail the PKCE exchange, sabotaging the legitimate retry.

- Add MCPOAuthHandler.deleteFlowAndStateMapping: reads the flow's stored
  state and deletes the mapping before the flow (mapping-first so a crash
  between deletes fails closed instead of recreating the orphan)
- Route mcp_oauth deletions in clearStoredMCPOAuthState through the helper
  for both tenant-scoped and legacy flow ids
- Reject callbacks whose state does not match the resolved flow's stored
  state: the only control distinguishing a superseded attempt from the
  current one on a deterministic flow id

Fixes #14534

* fix: gate failFlow on state match in the OAuth error branch (Codex P1)

The provider-error branch failed the resolved flow on CSRF/session alone,
so a superseded error callback resolved through an orphaned mapping could
mark the current flow FAILED. Apply the same stored-state equality gate
before failFlow.

* fix: leave the flow in place when the state-mapping delete fails (Codex P2)

deleteFlow swallows storage errors and returns false, and
deleteStateMapping discarded that result, so a failed mapping delete
followed by a successful flow delete would silently recreate the orphan.
Surface the boolean from deleteStateMapping and throw from
deleteFlowAndStateMapping before touching the flow, so the caller's
allSettled warn branch fires and the next replacement retries both.

* fix: restore the state mapping when the flow delete fails (Codex P2)

The inverse partial failure of the round-3 fix: a successful mapping
delete followed by a silently failed flow delete left a PENDING flow
whose reused authorization URL could never resolve, dead-ending every
callback in invalid_state until the flow went stale. Check deleteFlow's
result, re-store the mapping on failure, and throw so the caller's
allSettled warn branch fires.

* fix: never leave a callback-capable flow behind on uninstall (Codex round 6)

Teardown runs after the server's tokens are deleted, so a preserved
flow+mapping pair (the round-3 early-throw path) let a lingering consent
tab complete the callback and recreate credentials post-uninstall. Now
that both callback branches gate on stored-state equality, an orphaned
mapping is the benign failure mode, so invert the order: delete the flow
first, attempt the mapping delete regardless, and reject when either
reports a storage failure. This supersedes the round-4 mapping restore,
which also preserved a callback-capable pair.

* fix: delete the flow even when its metadata read fails (Codex round 7)

A storage error on the initial getFlowState aborted teardown before any
delete ran, preserving the callback-capable flow after token deletion.
Tolerate the read failure, delete the flow blindly, skip the mapping it
could not identify (the callback gates neutralize the possible orphan),
and reject so the caller's warn branch fires.
2026-07-31 12:11:36 -04:00
.devcontainer
.do/gitnexus
.github 🧪 test: Run mock E2E against Redis in shards (#14551) 2026-07-31 12:10:43 -04:00
.husky
.vscode
api 🧹 fix: Clean Up MCP OAuth State Mappings on Uninstall + Reject Superseded Callbacks (#14549) 2026-07-31 12:11:36 -04:00
client 🎯 feat: Per-Tool Intent Label Toggles in the Agent Builder (#14550) 2026-07-31 12:11:10 -04:00
config 📧 fix: Restore invite-user CLI (#14436) 2026-07-26 23:35:50 -04:00
e2e 🧪 test: Run mock E2E against Redis in shards (#14551) 2026-07-31 12:10:43 -04:00
helm 🪭 feat: support per-run central langfuse export suppression (#14207) 2026-07-12 08:03:27 -04:00
otel/langfuse-fanout 🪭 feat: support per-run central langfuse export suppression (#14207) 2026-07-12 08:03:27 -04:00
packages 🧹 fix: Clean Up MCP OAuth State Mappings on Uninstall + Reject Superseded Callbacks (#14549) 2026-07-31 12:11:36 -04:00
redis-config
scripts 🟦 chore: Convert Activity-Label Eval Harness to TypeScript (#14530) 2026-07-31 09:58:55 -04:00
skill
src/tests
utils
.dockerignore
.env.example 🪢 feat: Langfuse Fanout Connection Setting (#14108) 2026-07-29 18:33:10 -04:00
.gitattributes
.gitignore 🧪 chore: Add the Activity-Label Prose Eval Harness (#14527) 2026-07-30 09:22:34 -04:00
.nvmrc
.prettierrc
AGENTS.md 📉 perf: cache OpenID JWT user documents (#14187) 2026-07-12 07:53:50 -04:00
bun.lock v0.8.7 (#13907) 2026-06-24 14:49:32 -04:00
CLAUDE.md ⚙️ perf: reduce first-load MongoDB round trips (#14101) 2026-07-06 09:36:34 -04:00
deploy-compose.langfuse-fanout.yml 🪭 feat: support per-run central langfuse export suppression (#14207) 2026-07-12 08:03:27 -04:00
deploy-compose.yml 🧂 chore: Require an Operator-Supplied Admin Panel Session Secret (#13902) 2026-06-23 08:43:54 -04:00
docker-compose.langfuse-fanout.yml 🪭 feat: support per-run central langfuse export suppression (#14207) 2026-07-12 08:03:27 -04:00
docker-compose.override.yml.example
docker-compose.yml 🧂 chore: Require an Operator-Supplied Admin Panel Session Secret (#13902) 2026-06-23 08:43:54 -04:00
Dockerfile v0.8.7 (#13907) 2026-06-24 14:49:32 -04:00
Dockerfile.multi v0.8.7 (#13907) 2026-06-24 14:49:32 -04:00
eslint.config.mjs 🌯 chore: Retire Rollup-Era devDependencies After tsdown Migration (#14496) 2026-07-28 22:08:52 -04:00
librechat.example.yaml 🎯 feat: Tool Intent Label Capability (tool_intents) (#14499) 2026-07-29 15:40:52 -04:00
LICENSE
package-lock.json 📦 chore: bump @librechat/agents to v3.3.9 (#14548) 2026-07-31 10:43:00 -04:00
package.json 🧪 test: Run mock E2E against Redis in shards (#14551) 2026-07-31 12:10:43 -04:00
rag.yml
README.md docs: update Star History section (#14198) 2026-07-09 16:51:42 -04:00
README.zh.md
tool-intent-spec.md 🎯 feat: Tool Intent Label Capability (tool_intents) (#14499) 2026-07-29 15:40:52 -04:00
turbo.json 🌯 chore: Retire Rollup-Era devDependencies After tsdown Migration (#14496) 2026-07-28 22:08:52 -04:00

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
    • Open-Source & Self-Hostable: powered by ClickHouse/code-interpreter
  • 🔦 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
  • 🎛️ Admin Panel:

    • Browser-based UI to manage users, groups, roles, and configuration overrides
    • Edit settings and per-role/group permissions live, without redeploying
    • Bundled with the Docker Compose stacks for one-command setup
  • ⚙️ 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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