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mcp/harbor
LangChain

Plain Freight for LangChain

com.plainfreight/quotes

All-in DDP quotes for China to USA shipments, 100 g to 2,000 kg, from a live rate card

client:LangChain transport:streamable-http tools:3

Install Plain Freight in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "quotes": {
            "transport": "streamable_http",
            "url": "https://plainfreight.com/api/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

Plain Freight in other clients

Plain Freight MCP server