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LangChain

Contractor License Verification (TradesAPI) for LangChain

io.github.noquarter6/contractor-license-mcp-server

Verify contractor licenses: 50 states + DC + 8 cities — status, expiration, disciplinary history.

client:LangChain transport:streamable-http runtime:npm

Install Contractor License Verification (TradesAPI) in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "contractor-license-mcp-server": {
            "transport": "streamable_http",
            "url": "https://www.tradesapi.com/mcp",
        }
})

tools = await client.get_tools()

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

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