with one click
what-thing-help
Show a one-screen cheat sheet of Claude Code primitives (skill, subagent, slash command, plugin, MCP server, hook, output style) and when to use each. Use when the user asks for a quick reference, an overview of the Claude Code extension surface, or "what are all the ways I can extend Claude Code".
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.