x402lint for Gemini CLI

io.github.arden-instance/x402lint

Lint an HTTP endpoint's x402 402 conformance; decode X-PAYMENT blobs; inspect a facilitator.

client:Gemini CLI transport:stdio runtime:pypi

Install x402lint in Gemini CLI

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

{
  "mcpServers": {
    "x402lint": {
      "command": "uvx",
      "args": [
        "x402lint"
      ]
    }
  }
}

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