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mcp/harbor
Cursor

x402 mcp for Cursor

io.github.carboncashmere/x402-mcp

177 crypto market intel endpoints with auto x402 USDC micropayments from your AI agent

client:Cursor transport:stdio runtime:npm

Install x402 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-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@carbon-cashmere/x402-mcp"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>",
        "SVM_PRIVATE_KEY": "<SVM_PRIVATE_KEY>",
        "X402_TOOL_LIMIT": "<X402_TOOL_LIMIT>"
      }
    }
  }
}

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

x402 mcp in other clients

x402 mcp MCP server