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mcp/harbor
LangChain

pocketlantern for LangChain

io.github.pocketlantern/pocketlantern

Blocker-aware decision layer for AI coding agents, grounded in source-linked, time-sensitive facts.

client:LangChain transport:stdio runtime:npm

Install pocketlantern in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "pocketlantern": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@pocketlantern/mcp-server"],
        }
})

tools = await client.get_tools()

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

pocketlantern in other clients

pocketlantern MCP server