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mcp/harbor
Cursor

x402 tools mcp for Cursor

io.github.mizukaizen/x402-tools-mcp

melis x402 Tools — 22 pay-per-call APIs for AI agents. No accounts, no API keys. USDC on Base.

client:Cursor transport:stdio runtime:npm

Install x402 tools mcp in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

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

{
  "mcpServers": {
    "x402-tools-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<X402_INTERNAL_KEY>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

x402 tools mcp in other clients

x402 tools mcp MCP server