x402 Precheck for Windsurf

dev.workers.w0arvg81zlgf.x402-precheck/precheck

Check an x402 payment challenge before your agent pays: network, USDC, amount, payTo, facilitator.

client:Windsurf transport:streamable-http tools:1

Install x402 Precheck in Windsurf

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

{
  "mcpServers": {
    "precheck": {
      "serverUrl": "https://x402-precheck.w0arvg81zlgf.workers.dev/mcp"
    }
  }
}

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