Build Claude Code extensions - skills, agents, hooks, plugins, marketplaces, slash commands. Use when creating Claude Code components, building new skills, writing agents, creating hooks, making plugins, setting up marketplaces, writing slash commands, fixing extension configurations, or troubleshooting Claude Code extensions. Includes builder agents for autonomous creation. Not for looking up docs - use claude-code-docs-reference for that.
Create any Claude Code extension component. This skill routes to specific builders based on what you need.
| Component | When to Use | Command |
|---|---|---|
| Skill | Extend Claude with specialized knowledge, workflows, tool integrations | /build-skill |
| Hook | Automated validation, context injection, workflow automation | /build-hook |
| Plugin | Bundle skills/hooks/commands for distribution | /build-plugin |
| Marketplace | Distribute plugins (local, GitHub, git) | /build-marketplace |
| Slash Command | User-invoked /command prompts | /build-command |
"I want to add knowledge/workflows to Claude" → Skill
"I want automated task execution" → Agent (invokes Skills for guidance)
"I want to validate/inject context automatically" → Hook
"I want to bundle and distribute extensions" → Plugin + Marketplace
"I want a quick user-typed command" → Slash Command
Plugin (distribution package)
├── Skills (knowledge bases)
├── Agents (task executors that use Skills)
├── Hooks (automation triggers)
└── Commands (user-invoked prompts)
Marketplace (distributes Plugins)
Key insight: Agents are executors, Skills are knowledge. An agent invokes a skill for guidance, then executes.
claude-code-docs-reference skillThis plugin includes commands that can create components deterministically:
/build-skill - Creates skills with proper structure and patterns/build-hook - Creates hooks for automation/build-plugin - Creates plugins for distribution/build-marketplace - Creates marketplaces for plugin distribution/build-command - Creates slash commandsInvoke with: /command-name [details about what to build]