Chain Check (x402) for LangChain
app.netlify.chaincheck-api/chaincheck
x402-paid on-chain tools: wallet report, contract scan, token risk, gas, address labels (USDC/Base)
client:LangChain
transport:streamable-http
tools:6
Install Chain Check (x402) in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"chaincheck": {
"transport": "streamable_http",
"url": "https://chaincheck-api.netlify.app/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs