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mcp/harbor
LangChain

overpass mcp for LangChain

io.github.mrfentmen/overpass-mcp

Query OpenStreetMap features like cafes, schools, and parks through Overpass. No key required.

client:LangChain transport:stdio runtime:npm

Install overpass mcp in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

overpass mcp in other clients

overpass mcp MCP server