Built-in pack

Claude

xform · 4 presets · Version 13

Rewrites rough prompts for Opus 5, Sonnet 5, Fable 5, and Opus 4.8. Not affiliated with Anthropic.

Guides checked July 31, 2026: Opus 5, Sonnet 5, Fable 5, Opus 4.8

Already in xform Download Claude pack

Ships with the app; names and instructions update with xform. Preset configuration only, never API keys.

Presets

Expand a preset to read its exact instructions.

In the app

These presets appear under Optimize for… after you install xform. Names and instructions refresh when the app updates. Download the .xform file only if you need the raw pack JSON.