Skill structure
Every Skill requires a SKILL.md file with YAML frontmatter:

---
name: your-skill-name
description: Brief description of what this Skill does and when to use it
---

# Your Skill Name

## Instructions
[Clear, step-by-step guidance for Claude to follow]

## Examples
[Concrete examples of using this Skill]
Required fields: name and description

Field requirements:

name:

Maximum 64 characters
Must contain only lowercase letters, numbers, and hyphens
Cannot contain XML tags
Cannot contain reserved words: "anthropic", "claude"
description:

Must be non-empty
Maximum 1024 characters
Cannot contain XML tags
The description should include both what the Skill does and when Claude should use it. For complete authoring guidance, see the best practices guide.