Antigravity Unity Skills

13 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. 13 skills installed.

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

⚠️ Replace /path/to/your/unity-project with your actual Unity project path.

What Happens After Setup

your-project/
└── .agents/
    ├── skills/                # All skills installed flat here
    │   ├── unity-addressables/
    │   ├── unity-csharp-standards/
    │   ├── unity-logic-audit/
    │   ├── unity-qa-parser/
    │   ├── ...
    │   └── .ag-manifest.json  # Tracks group membership
    └── workflows/             # Workflow files
        ├── build-ui-mcp.md
        ├── verify-assets.md
        ├── verify-scripts.md
        └── verify-logics.md

Skills auto-trigger via YAML frontmatter description field — no GEMINI.md configuration needed.

🎯 What Is This?

A collection of 13 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
• ✅ Self-triggering — skills activate via YAML frontmatter, no manual config
• ✅ Project-level install — skills live in your project's .agents/skills/
• ✅ Cross-platform — pure Node.js, no bash/powershell dependency
• ✅ Backup on update — existing skills backed up before overwrite

📚 What's Inside

13 skills across 2 groups:

Unity Skills (9)

| Category | Skills | Description | |----------|--------|-------------| | Architecture | 1 | Async/await, Coroutines, UniTask, lifecycle safety | | UI & UX | 1 | Canvas rebuild, overdraw, raycast, state safety, responsive | | Performance | 1 | Addressables async loading, memory-safe release | | Safety | 1 | DOTween lifecycle, SetLink, kill patterns, leak prevention | | Tools & Standards | 5 | C# conventions, editor scripting, asset/script/logic verification |

QA Skills (4)

| Skill | Description | |-------|-------------| | unity-qa-parser | Parse QA documents | | unity-qa-generator | Generate test cases | | unity-qa-verifier | Verify test results | | unity-qa-scorer | Score test quality |

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

🔄 Updating Skills

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

Re-running the command updates skills. 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/              # Source skills (grouped)
│   │   ├── unity-skills/    # 9 Unity skills
│   │   └── qa-skills/       # 4 QA skills
│   └── workflow/            # Source workflows
│       ├── build-ui-mcp.md
│       ├── verify-assets.md
│       ├── verify-scripts.md
│       └── verify-logics.md
├── docs/                    # Source references
│   ├── SOURCES.md           # Skill → source mapping
│   ├── unity/               # Unity performance docs
│   └── agent-qa/            # QA system design docs
├── tests/
│   └── run-tests.sh         # Automated test suite (48 tests)
└── CHANGELOG.md

🤝 Works With Superpowers

This extension is independent of antigravity-superpowers, but they work great together.

🔗 Links

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

🙏 Credits

Advisory skills adapted from Besty0728/Unity-Skills (MIT License).

📝 License

MIT

Last Updated: 2026-03-20