牛牛 Codex Pet

牛牛 is a creature-style Codex pet with creature details, playful pixel motion, and a compact coding companion feel.

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Install

Copy this prompt and paste it into Codex. Codex runs the install command on your behalf and confirms each SHA-256 hash before writing.

Activate in Codex

  • Open Settings → Appearance → Pets in Codex.
  • Click Refresh custom pets so Codex picks up the new install directory.
  • Wake the pet with /pet in any chat.

Agent resources

Pet details

Version
v1
Files
pet.json (620 bytes), spritesheet.webp (1897052 bytes)
SHA-256 (pet.json)
bc20898a1426fa473eadefba42dfa1779348e593ba14bf484b4eeb9196958448
SHA-256 (spritesheet.webp)
8b8b19f3539d7734fd9c394550f78692bd0b6e8f8fae4f08fa3b22ac40114307
Atlas geometry
1536×1872, 8×9 cells of 192×208
Animation states
idle, running-right, running-left, waving, jumping, failed, waiting, running, review
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