LangChain/LangGraph/DeepAgents knowledge + LangGraph agent debugging (Polly-like)
io.github.baixianger/langchain-mcp
https://github.com/baixianger/langchain-MCP
STDIO
No auth required
How models use it and what it is built for.
LangChain/LangGraph/DeepAgents knowledge + LangGraph agent debugging (Polly-like)
Hosted endpoint — paste into any MCP client.
Where to find authoritative docs and source for langchain-mcp.
MCP Playground runs 10,000+ hosted MCP servers — GitHub, Linear, Notion, Stripe, Sentry and more — across Claude, GPT, Gemini, DeepSeek and 30+ AI models. Compare model answers side-by-side, save agent presets, share runs. Zero install.
Open Agent Studio