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LangChain

PermitStack for LangChain

com.permit-stack/permits

U.S. building permits, permit histories by address and contractors from city and county records.

client:LangChain transport:streamable-http tools:6

Install PermitStack in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "permits": {
            "transport": "streamable_http",
            "url": "https://mcp.permit-stack.com/mcp",
        }
})

tools = await client.get_tools()

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

What LangChain can do once it is connected

PermitStack in other clients