Mercury402: Treasury/FRED financial data over x402 for Grok
io.github.dudman1/mercury402-mcp
Treasury/FRED financial data over x402: pay-per-call US yields, macro and forex in USDC on Base
client:Grok
transport:streamable-http
runtime:npm
tools:2
Install Mercury402: Treasury/FRED financial data over x402 in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"mercury402-mcp": {
"type": "http",
"url": "https://mcp.mercury402.com/mcp"
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs