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Gateway Lines Tariff for LangChain

com.gatewaylines/tariff

US import duty, HTS classification and tariff changes from the Gateway Lines tariff engine.

client:LangChain transport:streamable-http tools:3

Install Gateway Lines Tariff in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "tariff": {
            "transport": "streamable_http",
            "url": "https://mcp.gatewaylines.com",
        }
})

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

Gateway Lines Tariff in other clients