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LangChain

Arc Control (macOS) for LangChain

io.github.db-25/arc-control-mcp

macOS-only MCP server for the Arc browser: tabs, navigation, page reading, DOM, scripting

client:LangChain transport:stdio runtime:npm

Install Arc Control (macOS) in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

Arc Control (macOS) in other clients