Agent skill

claude-plugin-creator

Claude Code plugin creation guide. Use when creating new plugins, adding commands/skills/hooks/MCP servers to plugins, or setting up marketplace distribution. Triggers on "create plugin", "add command", "add skill", "add hook", "plugin structure".

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/claude-plugin-creator

SKILL.md

Claude Code Plugin Creator

Guide for creating Claude Code plugins with correct structure and components.

Plugin Structure

my-plugin/
├── .claude-plugin/
│   └── plugin.json          # Required: Plugin metadata
├── commands/                 # Optional: Slash commands
│   └── my-command.md
├── skills/                   # Optional: Agent skills
│   └── my-skill/
│       └── SKILL.md
├── hooks/                    # Optional: Event handlers
│   └── hooks.json
└── .mcp.json                # Optional: MCP servers

Quick Start

1. Create Plugin Directory

bash
mkdir -p my-plugin/.claude-plugin

2. Create plugin.json

json
{
  "name": "my-plugin",
  "description": "Plugin description",
  "version": "1.0.0",
  "author": { "name": "Your Name" }
}

3. Add Components

Adding to Marketplace

For this repository, add plugin to .claude-plugin/marketplace.json:

json
{
  "plugins": [
    {
      "name": "my-plugin",
      "source": "./my-plugin",
      "description": "Plugin description"
    }
  ]
}

Validation

Run validation script before committing:

bash
./validate-plugin.sh my-plugin

Component Reference

Component Location Format Trigger
Commands commands/*.md Markdown + frontmatter User: /command
Skills skills/*/SKILL.md Markdown + frontmatter Auto (context)
Hooks hooks/hooks.json JSON Events
MCP .mcp.json JSON Auto

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