Claude Code Plugin Marketplace
A demo marketplace showcasing Claude Code plugin capabilities including skills, agents, commands, hooks, and MCP servers.
Overview
This repository serves as a Claude Code plugin marketplace — a catalog that distributes plugins to Claude Code users via /plugin marketplace add. It demonstrates the full spectrum of Claude Code's extensibility features through three example plugins.
Quick Start
Install the Marketplace
# Add the marketplace (from within Claude Code)
/plugin marketplace add https://github.com/your-org/marketplace
# Install a specific plugin
/plugin install code-review@demo-marketplace
Local Development
# Test a single plugin locally
claude --plugin-dir ./plugins/code-review
# Test multiple plugins
claude --plugin-dir ./plugins/code-review --plugin-dir ./plugins/git-toolkit
# Load the entire marketplace locally (from within Claude Code)
/plugin marketplace add ./
/plugin install code-review@demo-marketplace
Available Plugins
🔍 code-review (v1.1.0)
Code review skills and agents for catching bugs, security issues, and style problems.
Features:
- Skill:
review - Automatic code review on file changes
- Agent:
security-reviewer - Specialized security analysis
- Command:
/code-review:quick-review - On-demand code reviews
Tags: review, security, quality
🔧 git-toolkit (v1.1.0)
Git workflow automation with conventional commits, branch naming, and pre-commit hooks.
Features:
- Skill:
conventional-commit - Enforces conventional commit standards
- Commands:
/git-toolkit:smart-commit [type|scope] - Intelligent commit creation/git-toolkit:branch - Smart branch management
- Hooks: Pre-commit validation and formatting
Tags: git, commits, automation
📚 doc-generator (v1.1.0)
Documentation generation agents and skills for code explanation and API docs.
Features:
- Skill:
explain-code - Contextual code explanations
- Agent:
doc-writer - Comprehensive documentation specialist
- Commands:
/doc-generator:api-docs - Generate API documentation/doc-generator:readme - Create project README files
Tags: docs, documentation, explanation
🚀 compound-engineering (v2.33.0)
AI-powered development tools with 29 agents, 22 commands, 19 skills, and 1 MCP server.
External Plugin: Sourced from EveryInc/compound-engineering-plugin
Tags: ai-powered, compound-engineering, workflow-automation
Repository Structure
marketplace/
├── .claude-plugin/
│ └── marketplace.json # Marketplace catalog (root manifest)
├── plugins/
│ ├── code-review/ # Code review plugin
│ │ ├── .claude-plugin/plugin.json
│ │ ├── skills/review/SKILL.md
│ │ ├── agents/security-reviewer.md
│ │ └── commands/quick-review.md
│ ├── git-toolkit/ # Git workflow plugin
│ │ ├── .claude-plugin/plugin.json
│ │ ├── skills/conventional-commit/SKILL.md
│ │ ├── commands/smart-commit.md
│ │ ├── commands/branch.md
│ │ └── hooks/hooks.json
│ └── doc-generator/ # Documentation plugin
│ ├── .claude-plugin/plugin.json
│ ├── skills/explain-code/SKILL.md
│ ├── agents/doc-writer.md
│ ├── commands/api-docs.md
│ └── commands/readme.md
└── CLAUDE.md # Development guidelines
Plugin Development
Key Concepts
- Skills (
skills/*/SKILL.md) - Auto-invoked by Claude based on task context
- Commands (
commands/*.md) - User-invoked via slash commands (/plugin:command)
- Agents (
agents/*.md) - Specialized Claude personas for complex tasks
- Hooks (
hooks/hooks.json) - Event handlers for git operations and file changes
Plugin Structure
Each plugin follows this structure:
plugin-name/
├── .claude-plugin/plugin.json # Plugin manifest (name, version, description)
├── skills/ # Auto-invoked capabilities
│ └── skill-name/SKILL.md
├── commands/ # User-invoked slash commands
│ └── command-name.md
├── agents/ # Specialized Claude personas
│ └── agent-name.md
├── hooks/ # Event handlers
│ └── hooks.json
└── scripts/ # Shell scripts for hooks
Adding a New Plugin
-
Create plugin manifest:
mkdir -p plugins/my-plugin/.claude-plugin
# Edit plugins/my-plugin/.claude-plugin/plugin.json
-
Add capabilities:
mkdir -p plugins/my-plugin/{skills,commands,agents}
# Create your .md files following the examples
