A collection of reusable coding standards and best practices for AI coding agents. Compatible with Claude Code, GitHub Copilot, Cursor, and Windsurf. Drop these into any project to give your AI assistant consistent, opinionated guidance.
AI coding agents are only as good as the context you give them. This repo packages hard-won engineering best practices into instruction files that all major AI tools understand natively — so you get consistent behaviour across tools and teams.
| Skill | Description | Claude Code | Copilot | Cursor | Windsurf |
|---|---|---|---|---|---|
| REST API Design | 12 production-grade REST API practices | ✅ | ✅ | ✅ | ✅ |
| K8S Resource Limits | Helps review, audit, or generate Kubernetes resource requests and limits | ✅ | ✅ | ✅ | ✅ |
More skills coming soon. Contributions welcome!
Each skill ships with four files — same content, different filenames for each tool:
| File | Tool |
|---|---|
CLAUDE.md |
Claude Code |
.github/copilot-instructions.md |
GitHub Copilot |
.cursorrules |
Cursor |
.windsurfrules |
Windsurf |
AGENTS.md |
OpenAI Codex |
.github/copilot-instructions.md is the source of truth. The other files are synced copies.
- Copy the files for the tools you use into your repo root
- That's it — your AI agent will follow the instructions automatically
your-repo/
├── .github/
│ └── copilot-instructions.md ← Copilot
├── CLAUDE.md ← Claude Code
├── .cursorrules ← Cursor
└── .windsurfrules ← Windsurf
When you update instructions, run the included sync script to propagate changes to all tool files:
cp .github/copilot-instructions.md CLAUDE.md
cp .github/copilot-instructions.md .cursorrules
cp .github/copilot-instructions.md .windsurfrulesOr use the provided sync.sh:
./sync.shAppend the contents of multiple skills together:
# Combine multiple skills
cat rest-api-design/.github/copilot-instructions.md \
coding-standards/.github/copilot-instructions.md \
>> your-repo/.github/copilot-instructions.md
# Then sync to all tools
cd your-repo && ./sync.shGot a skill you want to share? PRs are welcome.
Each skill lives in its own folder:
skill-name/
├── .github/
│ └── copilot-instructions.md # Full instructions — source of truth
├── CLAUDE.md # Claude Code (synced copy)
├── .cursorrules # Cursor (synced copy)
├── .windsurfrules # Windsurf (synced copy)
└── sync.sh # Sync script
- One concern per skill — REST API design, not "everything about backends"
- Concrete and actionable — include ✅/❌ examples, not just vague principles
- Tool-agnostic language — instructions should read naturally to all agents
- Source of truth in one place — edit
.github/copilot-instructions.md, then runsync.sh
- Fork this repo
- Create a folder for your skill:
mkdir my-skill-name - Add
.github/copilot-instructions.mdwith your full instructions - Run
sync.shto generate the other tool files - Open a PR with a short description of what problem the skill solves
MIT — use freely in personal and commercial projects.