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mcp/harbor
LangChain

nano pay for LangChain

com.feeless402/nano-pay

Pay for x402-priced APIs with feeless, sub-second Nano (XNO) micropayments from a local wallet.

client:LangChain transport:stdio runtime:pypi

Install nano pay in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "nano-pay": {
            "transport": "stdio",
            "command": "uvx",
            "args": ["feeless402"],
        }
})

tools = await client.get_tools()

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

nano pay in other clients

nano pay MCP server