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Cursor

SpendPreflight for Cursor

io.github.spendpreflight/spendpreflight

Preflight x402 payments. Base ERC-8004 agent #1151628; wallet binding verified Nov 3, 2026.

client:Cursor transport:streamable-http tools:17

Install SpendPreflight in Cursor

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

{
  "mcpServers": {
    "spendpreflight": {
      "url": "https://api.spendpreflight.com/mcp"
    }
  }
}

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

What Cursor can do once it is connected

SpendPreflight in other clients