ai-skills

AI Skills

A curated collection of AI agent skills for software development — compatible with Claude Code and Cursor IDE.

Available Skills

Skill	Description
phaser-gamedev	Build 2D browser games with Phaser 3 — scenes, sprites, Arcade/Matter physics, tilemaps, animations, keyboard input
image-generation	Generate game assets via Google Gemini API and process them into final sprite files
pixellab	Generate pixel art assets using PixelLab MCP — Wang tilesets, characters, map objects
code-review	Sandwich-structured code reviews — motivating, clear, separates blockers from nitpicks
jira	Post code review verdicts to Jira issues, flag blockers, suggest workflow transitions

Each skill includes detailed reference material covering common pitfalls, anti-patterns, and production-ready code patterns.

Installation

Claude Code

# Add the marketplace
/plugin marketplace add freema/ai-skills

# Install a skill
/plugin install phaser-gamedev@ai-skills

Skills will appear as /slash-commands (e.g. /phaser-gamedev, /image-generation, /pixellab).

Update to latest version:

/plugin marketplace update
/plugin update phaser-gamedev@ai-skills

Cursor IDE

Manually copy rules into your project:

git clone https://github.com/freema/ai-skills.git /tmp/ai-skills
cp -r /tmp/ai-skills/skills/<skill-name>/SKILL.md .cursor/rules/<skill-name>.mdc

Rules are automatically loaded by Cursor's agent based on the description field and file globs matching.

Repository Structure

ai-skills/
├── .claude-plugin/
│   └── marketplace.json       # Claude Code marketplace manifest
├── .cursor-plugin/
│   └── marketplace.json       # Cursor IDE marketplace manifest
├── skills/
│   ├── phaser-gamedev/
│   │   ├── SKILL.md           # Phaser 3 game dev skill
│   │   └── references/        # Detailed reference docs
│   ├── image-generation/
│   │   └── SKILL.md           # Gemini image generation skill
│   └── pixellab/
│       ├── SKILL.md           # PixelLab MCP skill
│       └── references/        # Detailed reference docs
├── LICENSE
└── README.md

Skill Format

Claude Code (SKILL.md)

---
name: my-skill
description: "Short description — determines when the AI auto-loads the skill"
---

# Skill content in markdown

Cursor IDE (.mdc)

---
description: "Short description for agent-requested loading"
globs: "**/*.ts"
alwaysApply: false
---

# Rule content in markdown

Contributing

See CONTRIBUTING.md for full details including local validation setup.

1. Fork this repository
2. Add your skill directory under skills/<skill-name>/
3. Create SKILL.md with frontmatter (name + description)
4. Run validators locally: skill-validator check --strict skills/<skill-name>/ and agnix --target claude-code --strict skills/<skill-name>/
5. Submit a pull request — CI validates automatically

License

MIT — Tomas Grasl