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LangChain

arc mcp for LangChain

io.github.mrfentmen/arc-mcp

Arc MCP: 20 real tools to read, check, lint, scaffold, build and run Arc code.

client:LangChain transport:stdio runtime:npm

Install arc mcp in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "arc-mcp": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@mrfentmen/arc-mcp"],
        }
})

tools = await client.get_tools()

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

arc mcp in other clients