Browse Codex Pets
Discover custom pet packages for OpenAI Codex CLI and Claude Code. Copy install commands, browse community pets, and open source packages.



By gemidi
A tiny chibi pet inspired by Skadi the Corrupting Heart's operator portrait, made as a Codex companion.


By K4tNoeJ
"I am the oldest of the nine Death Painting Womb brothers. I will live for my brothers, and I will die for my brothers." Choso is one of the most beloved characters in Jujutsu Kaisen, known for his dramatic character arc, deep emotional depth, and his transition from an antagoni

By lorna
A white hamster with a big butt and expressive movement, has 16 look directions.



By ikun
3D toy-style Codex pet based closely on the provided yellow cartoon character reference.


What Are Codex Pets?
Codex pets are virtual companions that live in your OpenAI Codex CLI terminal. Use /pet hatch to hatch a new pet, or install a custom pet package to personalize your coding companion. Custom Codex pets are defined by a pet.json file and a spritesheet.webp image — anyone can create and share one. Browse the gallery above to find community-made pets, copy the install command, and run it inside Codex to get your new companion.
Frequently Asked Questions
- How do I install a custom Codex pet?
- Copy the install command from any pet listing on this page, then run it inside your OpenAI Codex CLI session. The pet will replace your current companion.
- How do I hatch a Codex pet?
- Inside the Codex CLI, type /pet hatch to hatch a new pet from your available packages.
- How do I create a custom Codex pet?
- A Codex pet requires two files: pet.json (metadata and animation config) and spritesheet.webp (sprite frames). Host both in a public GitHub repo and submit it here for review.
- What do Codex pets do?
- Codex pets are animated companions visible in the Codex CLI sidebar. They grow, animate, and react as you code.

