Invoice Preflight x402 MCP for Windsurf

io.github.ahmet11159/invoice-preflight

Invoice checks for AI agents: UBL/PDF/image, line items, evidence, free tier quote, x402 USDC.

client:Windsurf transport:streamable-http tools:3

Install Invoice Preflight x402 MCP in Windsurf

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

{
  "mcpServers": {
    "invoice-preflight": {
      "serverUrl": "https://mcp.dropenginehq.com/api/paid-mcp"
    }
  }
}

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