Multi-Platform Agent Skills

Scope

Use this skill when:

Ensuring skills work across multiple platforms
Understanding platform-specific conventions
Converting skills between platforms

Platform Compatibility Matrix

| Platform | Skill Format | Project Path | Global Path | |----------|--------------|--------------|-------------| | Amp | SKILL.md | .agents/skills/ | ~/.config/agents/skills/ | | Antigravity | SKILL.md | .agent/skills/ | ~/.gemini/antigravity/skills/ | | Claude Code | SKILL.md | .claude/skills/ | ~/.claude/skills/ | | Codex | SKILL.md | .codex/skills/ | ~/.codex/skills/ | | Cursor | SKILL.md | .cursor/skills/ | ~/.cursor/skills/ | | Gemini CLI | SKILL.md | .gemini/skills/ | ~/.gemini/skills/ | | GitHub Copilot | SKILL.md | .github/skills/ | ~/.copilot/skills/ | | Goose | SKILL.md | .goose/skills/ | ~/.config/goose/skills/ | | OpenCode | SKILL.md | .opencode/skills/ | ~/.config/opencode/skills/ | | Windsurf | SKILL.md | .windsurf/skills/ | ~/.codeium/windsurf/skills/ |

Universal SKILL.md Format

All platforms use YAML frontmatter:

---
name: skill-name
description: When to use this skill
---

# Instructions here...

Cross-Platform Installation

Most tools auto-discover skills in .agent/skills/:

# Universal installation (works with most tools)
git clone https://github.com/user/skills .agent/skills

Platform-Specific Notes

Claude Code

Auto-discovers from .claude/skills/ and ~/.claude/skills/
Supports /init command for context bootstrapping

Codex (OpenAI)

Supports multiple scopes: REPO, USER, ADMIN, SYSTEM
Built-in $skill-creator and $skill-installer
Restart required after installing new skills

GitHub Copilot

Skills in .github/skills/ directory
Uses SKILL.md with name and description required
Copilot auto-activates based on description match

Gemini CLI

Use @ symbol to attach skill files to prompts
Place skills in .gemini/skills/ or .agent/skills/

Conversion Tips

Same SKILL.md format works across platforms
Change only the installation path for different platforms
Test on each target platform before distribution
Document platform-specific requirements in skill README

Full Resource List

For more detailed multi-platform skill resources, complete link lists, or the latest information, use WebFetch to retrieve the full README.md:

https://raw.githubusercontent.com/gmh5225/awesome-skills/refs/heads/main/README.md

The README.md contains the complete categorized resource list with all links.