mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments for Grok
io.github.timwal78/mcp-x402
85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.
client:Grok
transport:streamable-http
tools:3
Install mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"mcp-x402": {
"type": "http",
"url": "https://mcp-x402.onrender.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