Casper Tools for Gemini CLI

io.github.magiautonomous/casper-tools

19 zero-setup utilities: JSON, regex, cron, hash, base64, CSV, JWT, UUID, YAML, semver, time.

client:Gemini CLI transport:streamable-http

Install Casper Tools in Gemini CLI

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

{
  "mcpServers": {
    "casper-tools": {
      "httpUrl": "https://determines-product-administration-farmer.trycloudflare.com"
    }
  }
}

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