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pay mcp for LangChain

io.github.pay-skill/pay-mcp

USDC payments for AI agents on Base — direct, tabs, x402 paywalls, discovery

client:LangChain transport:stdio runtime:npm

Install pay mcp in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

pay mcp in other clients