Skip to content
mcp/harbor
Claude Desktop

x402 api for Claude Desktop

io.github.fernsugi/x402-api

DeFi data API for AI agents — pay-per-call via x402/USDC on Base

client:Claude Desktop transport:stdio runtime:npm

Install x402 api in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "x402-api": {
      "command": "npx",
      "args": [
        "-y",
        "@x402-api/mcp-server"
      ],
      "env": {
        "X402_API_BASE_URL": "<X402_API_BASE_URL>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

x402 api in other clients

x402 api MCP server