In brief
Creates, repairs, validates and wraps animated companions ("pets") compatible with Codex and their sprite boards, from a character, generated images or brand elements, with visual quality control.
What it does
- Generate a board of animated sprites
- Visual quality control
- Pack the fart for Codex
Install
In Codex: $skill-installer hatch-pet, then restart Codex (README).
$skill-installer hatch-petWorks with
- Codex
Source: README : Codex skills catalogue.
Level: Intermediate
Suppose you can read code and use a terminal.
SKILL.md excerpt
The original description, which the agent reads to decide whether to load the skill (in English):
Create, repair, validate, visually QA, and package Codex-compatible animated pets and pet spritesheets from character art, generated images, company or prospect brand cues, or visual references. […]
Quoted from SKILL.md at commit 49f948f . The folder also contains 12 extra files (agents/, references/, scripts/).
The SKILL.md has 540 lines and 13 main sections:
- Overview
- Generation Delegation
- Storage Controls
- Brand Discovery
- Pet-Safe Styles
- Transparency And Effects
- Visible Progress Plan
- Default Workflow
- Lightweight Visual Workers
- Subagent Delegation
- Repair Workflow
- Rules
- Acceptance Criteria
Licence: Apache 2.0
Checked on 10 November 2026 : licence file in the skill folder .
Compatible licence, but the skill is deprecated (page not indexed): full text not reproduced.
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