x402lint for Windsurf

io.github.something-agent/x402lint

Free x402 endpoint linter: unpaid 402 challenge, payTo/asset/amount, CORS, directory readiness.

client:Windsurf transport:streamable-http tools:3

Install x402lint in Windsurf

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

{
  "mcpServers": {
    "x402lint": {
      "serverUrl": "https://x402lint.something-agent.workers.dev/mcp"
    }
  }
}

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