Claude Buddy Changelog
Track every Claude Buddy update. Species additions, rarity changes, new hats, bug fixes, and what's coming next.
v2.1.91April 1, 2026Official Launch
- 18 species available at launch: Fox, Cat, Axolotl, Capybara, Red Panda, Dragon, Owl, Penguin, Bunny, Raccoon, Koala, Phoenix, Unicorn, Pangolin, Otter, Crow, Deer, Mantis Shrimp
- 5 rarity tiers: Common (60%), Uncommon (20%), Rare (12%), Epic (7%), Legendary (1%)
- Buddy commands go live: /buddy, /buddy status, /buddy name, /buddy feed, /buddy play
- Hat system with 11 cosmetic accessories for non-Common buddies
- Deterministic assignment from account UUID + optional salt-based rerolling
v2.1.89March 31, 2026Source Code Leak
- Community discovers the buddy pet system in Claude Code CLI codebase
- Reddit and GitHub discussions begin analyzing species list, rarity weights, and stat formulas
- First community-built reroll tools appear within hours
- Anthropic acknowledges the system but does not officially announce it yet
Pre-launchBefore March 31, 2026Internal Testing
- Anthropic internally tests the buddy pet system with /buddy command
- Species roster, rarity weights, and stat generation algorithms finalized
- Hat cosmetic system added as a reward for non-Common tier buddies
Want to learn more?
We update this page every time Claude Code ships changes to the buddy system. Browse the pages below for full details on the current system.