Contraptify for Gemini CLI

io.github.torsviklabs/contraptify

Design redstone machines with your AI and test them tick by tick with Java Edition 26.3 rules.

client:Gemini CLI transport:streamable-http tools:5

Install Contraptify in Gemini CLI

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

{
  "mcpServers": {
    "contraptify": {
      "httpUrl": "https://mcp.contraptify.com/mcp"
    }
  }
}

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