LangChain

ViaFrei for LangChain

de.viafrei/mcp

German open mobility data: Autobahn traffic, trains, transit, fuel, charging, parking, weather.

client:LangChain transport:streamable-http tools:21

Install ViaFrei in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mcp": {
            "transport": "streamable_http",
            "url": "https://mcp.viafrei.de/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

ViaFrei in other clients

ViaFrei MCP server