claude code just shipped a hidden companion mode called "buddy" that goes live tomorrow (april 1)
here's everything we know from the leaked source code:
when you type /buddy in claude code, a virtual pet hatches in your terminal. it's a permanent ASCII art companion that sits next to your input box, watches your conversations, and reacts with speech bubbles.
the wild part: your companion is deterministically rolled from your account ID. you don't pick it - you get what you get. it's basically on-chain gacha but for your terminal.
THE ROLL:
your account hash determines everything:
- species (18 total)
- rarity (5 tiers)
- eyes (6 styles)
- hat (7 types, uncommon+ only)
- stats (5 categories)
- 1% chance for shiny variant
SPECIES (18):
duck, goose, blob, cat, dragon, octopus, owl, penguin, turtle, snail, ghost, axolotl, capybara, cactus, robot, rabbit, mushroom, chonk
RARITY:
common - 60% (no hat)
uncommon - 25% (gets a hat)
rare - 10%
epic - 4%
legendary - 1%
higher rarity = higher stat floor. legendaries start at 50/100 minimum on all stats.
STATS:
every buddy has 5 stats - DEBUGGING, PATIENCE, CHAOS, WISDOM, SNARK. one peak stat, one dump stat, rest scattered. these are just for vibes, no gameplay impact (yet?)
HATS:
crown, tophat, propeller, halo, wizard, beanie, and... tinyduck (a tiny duck sitting on your pet's head)
HOW IT WORKS IN TERMINAL:
- your buddy has 3-frame idle animations
- it watches your conversation and generates reactions in speech bubbles
- /buddy pet makes hearts float above it
- /buddy mute hides it
- the model is told to stay out of the way when you talk to your buddy directly
the companion's "soul" (name + personality) is generated by the model on first hatch and stored in your config. the physical traits regenerate from your account hash every time so you can't fake a rarity by editing config.
this is anthropic's april 1 feature but it's permanent - it stays after the teaser window. they literally built a full tamagotchi into a coding tool.
$BUDDY
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