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mcp/harbor
LangChain

potal for LangChain

io.github.soulmaten7/potal

Total landed cost API for cross-border commerce. 240 countries, 113M+ tariff records.

client:LangChain transport:stdio runtime:npm

Install potal in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

potal in other clients

potal MCP server