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mcp/harbor
LangChain

l402 kit for LangChain

io.github.thiagodataengineer/l402-kit

MCP server for L402-protected APIs via Bitcoin Lightning. Pay-per-call AI tools in sats.

client:LangChain transport:stdio runtime:npm

Install l402 kit in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "l402-kit": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "l402-kit"],
        }
})

tools = await client.get_tools()

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

l402 kit in other clients

l402 kit MCP server