preset

Pi extension for named presets that can set model, thinking level, tools, and per-preset system prompt instructions.

Part of pi-extensions.

Install with pi

pi install npm:@richardgill/pi-preset

or locally

pi install ~/code/pi-extensions/main/extensions/preset

Configure

Create preset.jsonc in your pi agent config folder:

{
  "presets": {
    "plan": {
      "provider": "openai-codex",
      "model": "gpt-5.2-codex",
      "thinkingLevel": "high",
      "tools": ["read", "bash"],
      "instructions": "Planning mode. Do not edit files."
    },
    "implement": {
      "provider": "anthropic",
      "model": "claude-sonnet-4-5",
      "thinkingLevel": "high",
      "tools": ["read", "bash", "edit", "write"],
      "instructions": "Implementation mode. Make focused changes."
    }
  }
}

Usage

pi --preset plan

• /preset opens the selector
• /preset implement activates a preset directly
• ctrl+shift+u cycles presets