claudeindex
Plugin

plugin-master

Complete Claude Code plugin development system. PROACTIVELY activate when users want to: (1) Create/build plugins with 2025 features, (2) Add skills/commands/agents/hooks, (3) Validate plugin structure, (4) Publish to marketplace, (5) Get plugin development guidance. Provides: agent-first design patterns, progressive disclosure skills, hook automation, MCP integration, marketplace publishing. Includes plugin-expert agent and validation utilities.

Installation

1

Add the marketplace

/plugin marketplace add JosiahSiegel/claude-plugin-marketplace
2

Install plugins

/plugin

Run these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.