SpendPreflight for Windsurf

io.github.spendpreflight/spendpreflight

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

client:Windsurf transport:streamable-http tools:17

Install SpendPreflight in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

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

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs