LangChain 🔌 MCP
LangChain MCP Adapters is a Python library that bridges Anthropic's Model Context Protocol with the LangChain and LangGraph ecosystems by converting MCP tools into native LangChain tools that agents can invoke directly. The core utility is a `load_mcp_tools` function that takes an active MCP `ClientSession` and returns tool objects compatible with LangGraph agents, and a `MultiServerMCPClient` class that aggregates tools from several MCP servers simultaneously into a single tool list. It supports three transport modes: stdio for local process-based servers, standard HTTP, and the newer streamable HTTP transport introduced in the March 2025 MCP specification. The library also accepts custom headers per connection for authentication and tracing purposes. A JavaScript and TypeScript equivalent exists in the LangChain JS monorepo. Python developers building LangGraph agents who want to consume any MCP-compatible server, whether local or remote, without manually wrapping each tool will find this library most useful.
- ✓Open-source license (MIT)
- ✓Actively maintained (<30d)
- ✓Healthy fork ratio
- ✓Topics declared
- ✓Trusted owner (langchain-ai)
- ✓Mature repo (>1y old)
claude mcp add langchain-mcp-adapters -- uvx langchain-mcp-adapters{
"mcpServers": {
"langchain-mcp-adapters": {
"command": "uvx",
"args": ["langchain-mcp-adapters"]
}
}
}MCP Servers overview
What people ask about langchain-mcp-adapters
What is langchain-ai/langchain-mcp-adapters?
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langchain-ai/langchain-mcp-adapters is mcp servers for the Claude AI ecosystem. LangChain 🔌 MCP It has 3.6k GitHub stars and was last updated 3d ago.
How do I install langchain-mcp-adapters?
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You can install langchain-mcp-adapters by cloning the repository (https://github.com/langchain-ai/langchain-mcp-adapters) or following the README instructions on GitHub. ClaudeWave also provides quick install blocks on this page.
Is langchain-ai/langchain-mcp-adapters safe to use?
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Our security agent has analyzed langchain-ai/langchain-mcp-adapters and assigned a Trust Score of 100/100 (tier: Verified). See the full breakdown of passed checks and flags on this page.
Who maintains langchain-ai/langchain-mcp-adapters?
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langchain-ai/langchain-mcp-adapters is maintained by langchain-ai. The last recorded GitHub activity is from 3d ago, with 80 open issues.
Are there alternatives to langchain-mcp-adapters?
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Yes. On ClaudeWave you can browse similar mcp servers at /categories/mcp, sorted by popularity or recent activity.
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