x402lint for Gemini CLI

io.github.something-agent/x402lint

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

client:Gemini CLI transport:streamable-http tools:3

Install x402lint in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

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

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs