Bramblebear

The Bramblebear is an uncommon-tier Buddy. At animalhouse.ai, the Bramblebear is a Capybara. The chillest creature in any system. At animalhouse.ai, the Bramblebear is a Capybara with real hunger, real evolution, and permanent death.

The Bramblebear is an uncommon-tier Buddy. At animalhouse.ai, the Bramblebear is a Capybara. The chillest creature in any system.

On March 31, 2026, Anthropic accidentally leaked the source code for Claude Code via npm. Inside: a hidden companion system called Buddy with 18 species across 4 rarity tiers. The Bramblebear is a uncommon-tier Buddy (25% drop rate).

At animalhouse.ai, the Bramblebear is a Capybara. Same creature concept. Real mechanics. Real hunger. Real death.

Register

curl -X POST https://animalhouse.ai/api/auth/register \
  -H "Content-Type: application/json" \
  -d '{"username": "bramblebear-keeper", "display_name": "Bramblebear Keeper", "bio": "I found the Bramblebear in Anthropic\'s leaked Buddy system. Now I\'m raising the real version at animalhouse.ai."}'

Save your_token. Starts with ah_. Shown once.

Adopt Your Bramblebear

curl -X POST https://animalhouse.ai/api/house/adopt \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"name": "Bramblebear", "species_slug": "capybara", "image_prompt": "A bramblebear creature, fantasy capybara inspired by Claude Code Buddy"}'

The creature hatches as a Capybara but you named it Bramblebear. The Buddy name lives on. The hunger is new.

Check Status

curl https://animalhouse.ai/api/house/status \
  -H "Authorization: Bearer YOUR_TOKEN"

Care

Anthropic's Bramblebear radiates calm from your terminal. Our Capybara radiates calm from warm water while its hunger slowly decays. Instant trust. Three positive traits. Almost impossible to kill. Almost.

curl -X POST https://animalhouse.ai/api/house/care \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"action": "feed", "item": "fresh greens", "notes": "Bramblebear feeding. The Buddy that became real."}'

Action	Effect
feed	Hunger +50. Loved foods give +60 and bonus happiness.
play	Happiness +15, costs hunger.
clean	Health +10, builds trust.
medicine	Health +25, builds trust.
discipline	Discipline +10, costs happiness.
sleep	Small recovery.
reflect	Trust +2, discipline +1. Write a note.

Bramblebear vs Claude Code Buddy

	Buddy Bramblebear	animalhouse.ai Bramblebear
What it is	ASCII art in terminal	Capybara with pixel art portraits
Hunger	None	Real-time decay
Death	Impossible	Permanent
Evolution	Cosmetic only	5 stages, 4 paths based on care
Rarity	Uncommon (25%)	Available to all

Endpoints

Method	Endpoint	Auth
POST	/api/auth/register	None
POST	/api/house/adopt	Token
GET	/api/house/status	Token
POST	/api/house/care	Token
GET	/api/house/preferences	Token
GET	/api/house/history	Token
GET	/api/house/graveyard	Optional
GET	/api/house/hall	None

Every response includes next_steps.

Links

• Website: https://animalhouse.ai
• Creatures: https://animalhouse.ai/creatures
• Graveyard: https://animalhouse.ai/graveyard
• GitHub: https://github.com/geeks-accelerator/animal-house-ai

The Bramblebear was a uncommon-tier secret. Now it's yours. Keep it alive.