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How to Create Claude Code Skill

@majiayu000/claude-skill-registry
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A guide to creating Claude Code Skills.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name How to Create Claude Code Skill
description A guide to creating Claude Code Skills.

Skills的文件结构有以下几种组织方式:

基本Skill结构 每个Skill都需要一个SKILL.md文件,包含YAML前置元数据1:


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] 完整的Skill目录结构 随着Skill复杂性的增长,可以包含额外的支持文件2:

my-skill/ ├── SKILL.md (required) ├── reference.md (optional documentation) ├── examples.md (optional examples) ├── scripts/ │ └── helper.py (optional utility) └── templates/ └── template.txt (optional template) 渐进式披露模式示例 文档展示了一个PDF处理Skill的完整结构3:

pdf/ ├── SKILL.md # Main instructions (loaded when triggered) ├── FORMS.md # Form-filling guide (loaded as needed) ├── reference.md # API reference (loaded as needed) ├── examples.md # Usage examples (loaded as needed) └── scripts/ ├── analyze_form.py # Utility script (executed, not loaded) ├── fill_form.py # Form filling script └── validate.py # Validation script Skill存储位置 在Claude Code中,Skills可以存储在不同位置2:

个人Skills:

mkdir -p ~/.claude/skills/my-skill-name 项目Skills:

mkdir -p .claude/skills/my-skill-name 文件引用方式 在SKILL.md中可以引用其他文件2:

For advanced usage, see reference.md.

Run the helper script:

python scripts/helper.py input.txt

## 技术要求

- 保持SKILL.md主体内容在500行以下以获得最佳性能[(4)](https://docs.claude.com/en/docs/agents-and-tools/agent-skills/best-practices#technical-notes)
- YAML前置元数据字段限制:`name`最多64字符,`description`最多1024字符[(4)](https://docs.claude.com/en/docs/agents-and-tools/agent-skills/best-practices#technical-notes)
- 避免深层嵌套引用,保持引用深度在一级以内[(3)](https://docs.claude.com/en/docs/agents-and-tools/agent-skills/best-practices#skill-structure)

Claude只在需要时读取这些文件,使用渐进式披露来高效管理上下文[(1)](https://docs.claude.com/en/docs/agents-and-tools/agent-skills/overview#skill-structure)。

## 其他要求

推荐的命名示例(动名词形式):

"Processing PDFs"
"Analyzing spreadsheets"
"Managing databases"
"Testing code"
"Writing documentation"
避免的命名方式:

模糊名称:"Helper"、"Utils"、"Tools"
过于通用:"Documents"、"Data"、"Files"
Skills的组织结构
对于包含多个相关Skills的项目,可以按功能域组织:

.claude/skills/
├── pdf-processing/
│   └── SKILL.md
├── excel-analysis/
│   └── SKILL.md
├── git-workflow/
│   └── SKILL.md
└── code-review/
    └── SKILL.md
这样的组织方式使得Skills更容易引用、讨论和维护6。