🚀 Prebuilt Agents

LangGraph includes a prebuilt React agent. For more information on how to use it, check out our how-to guides.

If you’re looking for other prebuilt libraries, explore the community-built options below. These libraries can extend LangGraph's functionality in various ways.

📚 Available Libraries

Name	GitHub URL	Description	Weekly Downloads
trustcall	hinthornw/trustcall	Tenacious tool calling built on LangGraph	7746
langgraph-supervisor	langchain-ai/langgraph-supervisor	Build supervisor multi-agent systems with LangGraph	3397
langmem	langchain-ai/langmem	Build agents that learn and adapt from interactions over time.	1803
open-deep-research	langchain-ai/open_deep_research	Open source assistant for iterative web research and report writing.	1714
langchain-mcp-adapters	langchain-ai/langchain-mcp-adapters	Make Anthropic Model Context Protocol (MCP) tools compatible with LangGraph agents.	878
breeze-agent	andrestorres123/breeze-agent	A streamlined research system built inspired on STORM and built on LangGraph	45

✨ Contributing Your Library

Have you built an awesome open-source library using LangGraph? We'd love to feature your project on the official LangGraph documentation pages! 🏆

To share your project, simply open a Pull Request adding an entry for your package in our packages.yml file.

Guidelines

• Your repo must be distributed as an installable package (e.g., PyPI for Python, npm for JavaScript/TypeScript, etc.) 📦
• The repo should either use the Graph API (exposing a StateGraph instance) or the Functional API (exposing an entrypoint).
• The package must include documentation (e.g., a README.md or docs site) explaining how to use it.

We'll review your contribution and merge it in!

Thanks for contributing! 🚀

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