Mercury402: Treasury/FRED financial data over x402 for LangChain
io.github.dudman1/mercury402-mcp
Treasury/FRED financial data over x402: pay-per-call US yields, macro and forex in USDC on Base
client:LangChain
transport:streamable-http
runtime:npm
tools:2
Install Mercury402: Treasury/FRED financial data over x402 in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"mercury402-mcp": {
"transport": "streamable_http",
"url": "https://mcp.mercury402.com/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs