Model Context Protocol tool support for LangChain
Model Context Protocol tool calling support in LangChain.
Create a langchain_mcp.MCPToolkit with an mcp.ClientSession,
then await toolkit.initialize() and toolkit.get_tools() to get the list of langchain_core.tools.BaseTools.
Example:
You can run the demo against Groq llama-3.1-8b-instant:
$ export GROQ_API_KEY=xxx
$ uv run tests/demo.py "Read and summarize the file ./LICENSE"
Secure MCP Filesystem Server running on stdio
Allowed directories: [ '/users/aw/projects/rectalogic/langchain-mcp' ]
The file ./LICENSE is a MIT License agreement. It states that the software is provided "as is" without warranty and that the authors and copyright holders are not liable for any claims, damages, or other liability arising from the software or its use.
Dubco Mcp Server
MCP server for Dub.co link shortener API integration
Yolo Mcp Server
Mcp Crypto Price
A Model Context Protocol (MCP) server that provides real-time cryptocurrency analysis via CoinCap's API. Enables Claude and other MCP clients to fetch crypto prices, analyze market trends, and track historical data.