Enable a pet in Codex
Hatch Pet shows the exact enable path: open Codex Settings, choose Appearance, expand Pets, and select the companion that should sit beside your AI coding flow.
Want your own custom pet? Use the Hatch Pet skill to generate a Codex-ready pet package with sprite sheet, manifest, and local install files.
Settings → Appearance → Pets → Select. Then use the Hatch Pet skill when you want a custom companion.
Enable guide
How to enable a pet in Codex
The shortest path is inside the Codex desktop app: open Settings from the Codex menu, switch to Appearance, then use the Pets panel to select or tuck away the active companion.
Create your own pet with the Hatch Pet skill
Use OpenAI's curated Hatch Pet skill to define a pet concept, generate the sprite sheet and pet.json manifest, then install it under ~/.codex/pets so Codex can list it in Appearance → Pets.
Frequently asked questions
A practical FAQ for visitors discovering Hatch Pet as a Codex pet resource.
Enable a pet, then hatch your own
Start with the built-in Pets selector in Codex. When you want a companion that matches your workflow, use the curated Hatch Pet skill to generate a custom pet package.