Agent is an intelligent entity, and Skills refers to skills. Agent Skills (Intelligent Agent Skills) is the core tool for encapsulating domain knowledge and workflow standards into reusable assets.
Agent Skills is essentially a modular Markdown file that teaches AI tools (such as Claude, GitHub Copilot, Cursor, etc.) to perform specific tasks. It supports automatic triggering, team sharing, and engineering management, completely eliminating the need for repetitive prompt input.
The essence of Agent Skills is not a tool, but:
Combination of behavioral standards + professional knowledge + timing of use
Basic content reference for Skills: Skills Tutorial
Core format:
- A Skill is a folder containing a mandatory SKILL.md file (with instructions and metadata), and optional resource files (such as scripts, examples, reference documents).
- A Skill is a Markdown file (SKILL.md) that teaches Claude to perform tasks in specific scenarios following your methods.
- Essentially, it's like providing an AI agent with a professional manual. The AI doesn't learn from scratch each time but automatically references the manual's knowledge based on the task.
- In short, instead of using prompts to teach AI, Agent Skills packages prompts and resources into reusable, shareable skill packs for greater efficiency and reliability.

How Agent Skills Work
The key mechanism of Agent Skills is progressive disclosure, loaded in three layers:
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