Claude Garden

Idle collection game sidecar for Claude Code. Collect unique Claude variants as you code.

How it works

Claude Garden runs as a terminal sidecar alongside Claude Code. Every time Claude uses a tool, there's a chance a Claude variant spawns in your garden. Collect them, discover rare ones, and upgrade your facilities.

Game mechanics

• Tool calls earn coins and have a 55% chance to spawn a Claude
• 29 Claude variants across 5 rarity tiers (Common → Legendary)
• 4 upgradeable facilities: GPU (coins/tool), RAM (garden slots), Cooling (rare multiplier), Antenna (max rarity)
• Duplicates give bonus coins based on rarity
• Tool failures cost you coins

Controls

Key	Action
Space	Collect all Claudes in garden
Tab	Switch screen (Garden → Collection → Upgrades)
1-4	Upgrade facility
Arrow keys	Navigate collection
Enter	View Claude detail
Esc	Back
Ctrl+C	Quit sidecar

Installation

Via marketplace (recommended)

/plugin marketplace add donkeeman/claude-garden
/plugin install claude-garden@donkeeman-claude-garden

Manual

git clone https://github.com/donkeeman/claude-garden ~/.claude/plugins/marketplaces/donkeeman-claude-garden

Then install the plugin:

/plugin install claude-garden@donkeeman-claude-garden

The sidecar auto-launches in a new terminal tab when a Claude Code session starts. Supported on macOS (Terminal, iTerm2), Windows (cmd, PowerShell, Git Bash), and Linux (gnome-terminal, xterm, x-terminal-emulator).

Structure

claude-garden/                       # Marketplace root
├── .claude-plugin/
│   └── marketplace.json             # Marketplace metadata
├── plugins/
│   └── claude-garden/               # Plugin root
│       ├── .claude-plugin/
│       │   └── plugin.json          # Plugin metadata
│       ├── hooks/
│       │   └── hooks.json           # Hook event bindings
│       ├── scripts/
│       │   ├── on-session-start.mjs # Starts sidecar + logs session
│       │   ├── on-post-tool.mjs     # Logs tool use events
│       │   ├── on-post-tool-fail.mjs# Logs tool failures
│       │   └── on-stop.mjs          # Logs session end
│       ├── sidecar/
│       │   ├── index.mjs            # Main loop (JSONL watcher + keyboard)
│       │   ├── game.mjs             # Game state machine
│       │   ├── renderer.mjs         # ANSI terminal renderer
│       │   ├── claudes.mjs          # All 29 Claude variant definitions
│       │   └── facilities.mjs       # Upgrade system definitions
│       └── start.sh                 # Sidecar entry point
└── README.md

Requirements

• Node.js (for sidecar and hook scripts)
• A terminal that supports Unicode box-drawing characters and ANSI colors

License

MIT