verify402 for LangChain
io.github.a32116150-ctrl/verify402-mcp
Free x402 preflight gate plus paid on-chain truth checks for AI agents.
client:LangChain
transport:stdio
runtime:npm
Install verify402 in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"verify402-mcp": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "verify402-mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs