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LangChain

DevLens for LangChain

io.github.devlensio/devlens

Query a precomputed code graph (nodes, edges, summaries) of TS/JS/React/Next.js/Node repos via MCP.

client:LangChain transport:stdio runtime:npm

Install DevLens in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "devlens": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@devlensio/cli"],
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

DevLens in other clients