langchain-mcp-adapters and lc2mcp
About langchain-mcp-adapters
langchain-ai/langchain-mcp-adapters
LangChain 🔌 MCP
Bridges Anthropic's Model Context Protocol (MCP) servers with LangChain/LangGraph by converting MCP tools into LangChain-compatible tools, supporting multiple transport types (stdio, HTTP, streamable HTTP, SSE) and server connections simultaneously. Provides a `MultiServerMCPClient` for managing multiple MCP servers and runtime authentication headers, enabling agentic workflows to access distributed tool ecosystems.
About lc2mcp
xiaotonng/lc2mcp
Convert LangChain tools to FastMCP tools
Automatically extracts parameter descriptions from Pydantic schemas and docstrings, converting LangChain's tool metadata into MCP-compatible JSON schemas without manual boilerplate. Supports context injection for authentication and user info, progress reporting, and tool namespacing, enabling seamless integration of 1000+ LangChain community tools into FastMCP servers accessible to Claude, Cursor, and other MCP clients.
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