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mcp/harbor
Cursor

x402 Seller for Cursor

io.github.entreprisedaney33-rgb/x402-seller-mcp

Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.

client:Cursor transport:stdio runtime:npm

Install x402 Seller 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-seller-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x402-seller-mcp"
      ],
      "env": {
        "BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>",
        "X402_ORIGIN": "<X402_ORIGIN>"
      }
    }
  }
}

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

x402 Seller in other clients

x402 Seller MCP server