x402 mcp for LangChain
io.github.x402node/x402-mcp
Hundreds of x402-paid APIs as MCP tools, auto-discovered from Coinbase Bazaar. USDC on Base+Solana.
client:LangChain
transport:stdio
runtime:npm
Install x402 mcp in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"x402-mcp": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "x402node-mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs