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 simocracy
A tiny Al-Khwarizmi-inspired scholar companion for thoughtful algorithms and algebra.
By simocracy
A tiny Einstein-inspired chibi scientist companion for thoughtful coding sessions.
By nocturne-veil
A tiny Codex pet of Asuna's Undine form, with aqua-blue hair, pointed elf ears, a white-and-navy healer outfit, a slim rapier, and graceful Berserk Healer sword-and-support motions.
By Angus
A tiny fallen male angel desktop pet with pale wings and a quiet melancholic expression.
By jwzoom
A compact pixel-art Growmon-style mature crimson magic dragon evolution of gigi.
By harimmon
A tiny black-haired MapleStory beginner-style male adventurer pixel pet with black sandals and a small starter weapon.
By yoonzzan
A tiny Codex companion inspired by a striving engineer: focused, resilient, and always improving with her laptop.
By yaseki-kujira
A tiny chibi Codex pet version of 夜汐くじら / Yaseki Kujira with tan skin, glowing aqua eyes, white aqua-tipped short hair, navy scarf, white duffle coat, navy thigh-high socks, and black platform boots.
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.