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LangChain

p402 for LangChain

io.github.z333q/p402

Multi-provider AI router with x402 micropayment settlement on Base L2. 1% flat fee.

client:LangChain transport:stdio runtime:npm

Install p402 in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "p402": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@p402/mcp-server"],
        }
})

tools = await client.get_tools()

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

p402 in other clients