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mcp/harbor
Cursor

pay mcp for Cursor

tech.vauban/pay-mcp

x402 tools for MCP clients: pay exact/Starknet or STARK-receipt 402s, verify, JCS-hash. No account.

client:Cursor transport:stdio runtime:npm

Install pay 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": {
    "pay-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@vauban-pay/mcp"
      ],
      "env": {
        "STARKNET_RPC_URL": "<STARKNET_RPC_URL>",
        "PAY_MCP_SEPOLIA_ACCOUNT_ADDRESS": "<PAY_MCP_SEPOLIA_ACCOUNT_ADDRESS>",
        "PAY_MCP_SEPOLIA_PRIVATE_KEY": "<PAY_MCP_SEPOLIA_PRIVATE_KEY>",
        "PAY_MCP_STANDARD_X402_PAYEES": "<PAY_MCP_STANDARD_X402_PAYEES>",
        "PAY_MCP_STANDARD_X402_MAX_WEI": "<PAY_MCP_STANDARD_X402_MAX_WEI>",
        "PAY_MCP_STANDARD_X402_ACCOUNT_ADDRESS": "<PAY_MCP_STANDARD_X402_ACCOUNT_ADDRESS>",
        "PAY_MCP_STANDARD_X402_PRIVATE_KEY": "<PAY_MCP_STANDARD_X402_PRIVATE_KEY>"
      }
    }
  }
}

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

pay mcp in other clients

pay mcp MCP server