Antigravity Unity Skills

70 Unity-specific skills for game development with Google Antigravity. Install skills directly into any Unity project.

📦 Public, read-only repository. Install via npm or clone and run setup.

🌐 Quick Start · What's Inside · Full Skill List

📋 Requirements

• Google Antigravity (macOS / Windows / Linux)
• Node.js 18+

⚡ Quick Start

cd /path/to/your/unity-project
npx ag-unity

That's it. 70 skills installed.

git clone https://github.com/zasuozz-oss/antigravity-unity-skills.git
cd /path/to/your/unity-project
node /path/to/antigravity-unity-skills/bin/cli.mjs

What Happens After Setup

your-project/
├── GEMINI.md                # Updated with unity-skills block
└── .agents/
    └── skills-unity/        # 70 Unity skills installed here
        └── INDEX.md

Open Antigravity in your project. Unity skills auto-load via GEMINI.md.

🎯 What Is This?

A collection of 70 Unity-specific skills organized by category, designed to extend Google Antigravity with deep Unity game development knowledge.

Key features:

• ✅ One-command install — npx ag-unity from any project
• ✅ Project-level install — skills live in your project's .agents/skills-unity/
• ✅ Cross-platform — pure Node.js, no bash/powershell dependency
• ✅ Non-destructive setup — preserves existing GEMINI.md content
• ✅ Block-based updates — re-run setup to update without conflicts
• ✅ Backup on update — existing skills backed up before overwrite

📚 What's Inside

70 skills across 9 categories:

| Category | Skills | Description | |----------|--------|-------------| | 01-architecture | 10 | Design patterns, DI, ECS, state machines | | 02-gameplay | 11 | Character, AI, inventory, combat, save/load | | 04-visuals-audio | 9 | Shaders, VFX, audio, Cinemachine, lighting | | 05-ui-ux | 6 | UI Toolkit, Canvas, Input System, responsive | | 06-performance | 5 | Addressables, pooling, profiling, mobile | | 07-tools-pipeline | 6 | Editor scripting, testing, localization, MCP | | 08-backend-monetization | 5 | Multiplayer, IAP, analytics, backend | | 09-devops-automation | 2 | Build pipelines, CI/CD | | unity-specific | 6 | General Unity development, C# conventions |

👉 See INDEX.md for the complete skill list with descriptions.

🔄 Updating Skills

cd /path/to/your/unity-project
npx ag-unity

Re-running the command updates skills without conflicts (block-based replacement). Existing skills are automatically backed up.

📁 Repo Structure

antigravity-unity-skills/
├── package.json             # npm package config
├── bin/
│   └── cli.mjs              # Cross-platform CLI (ESM)
├── global-config/
│   └── skills/              # 70 Unity skills
│       ├── 01-architecture/
│       ├── 02-gameplay/
│       ├── ...
│       └── INDEX.md
├── scripts/
│   └── update-unity-skills.sh
├── tests/
│   └── run-tests.sh         # Automated test suite
├── unity_context.md         # Extension context + rules
└── gemini-extension.json    # Extension metadata

🤝 Works With Superpowers

This extension is independent of antigravity-superpowers, but they work great together. Both use separate block markers in GEMINI.md — no conflicts.

🔗 Links

• npm: ag-unity
• Superpowers (core skills): zasuozz-oss/antigravity-superpowers
• Google Antigravity: antigravity.google

📝 License

MIT

Last Updated: 2026-03-13