Skill Writer Guide

Overview

This skill provides comprehensive guidance for creating Agent Skills that follow the official Agent Skills specification. Agent Skills are a simple, open format for giving agents new capabilities and expertise through folders of instructions, scripts, and resources.

What are Agent Skills?

Agent Skills are:

• Portable: Work across different AI platforms (Claude, GPT, Copilot, etc.)
• Filesystem-based: Simple directory structure with markdown files
• Modular: Each skill is self-contained and reusable
• Open format: No vendor lock-in, community-driven standard

Creating a New Agent Skill

1. Directory Structure

Every Agent Skill lives in its own directory: