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 aoao
A fluffy cream-white long-haired cat companion with big brown eyes and a pink nose.



By surroundyou
A high-detail 3D figurine nurse pet with a bandaged head, cream uniform, red medical trim, platform shoes, and scalpel.

By nova1751
Noa Yuki, a second-year student at Kunoho Girls’ Academy. She loves parfaits and has a strong sense of justice. She is the leader of the organization she founded, Valhalla Society, with Shō and others unofficially counted among its members.


By joel
A tiny amber dog in a small hat calmly holding a coffee mug while everything feels on fire.

By TutuGiegie
A Q-version pixel pet inspired by Kamen Rider Zeztz Physicam Impact, with red and teal armor, red compound eyes, long antennae, black undersuit, chest capsule core, and compact heroic proportions.


By Windia
A tiny orange mushroom that hops through coding sessions.

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.

