Plugin Dev

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

This skill should be used when the user asks to create a hook, add a PreToolUse/PostToolUse/Stop hook, validate tool use, implement prompt-based hooks, use CLAUDE_PLUGIN_ROOT, set up event-driven automation, block dangerous commands, or mentions hook events (PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd, UserPromptSubmit, PreCompact, Notification). Provides comprehensive guidance for creating and implementing Claude Code plugin hooks with focus on advanced prompt-based hooks API.

This skill should be used when the user asks to create an agent, add an agent, write a subagent, agent frontmatter, when to use description, agent examples, agent tools, agent colors, autonomous agent, or needs guidance on agent structure, system prompts, triggering conditions, or agent development best practices for Claude Code plugins.

This skill should be used when the user wants to "create a skill", "add a skill to plugin", "write a new skill", "improve skill description", "organize skill content", or needs guidance on skill structure, progressive disclosure, or skill development best practices for Claude Code plugins.

This skill should be used when the user asks to create a slash command, add a command, write a custom command, define command arguments, use command frontmatter, organize commands, create command with file references, interactive command, use AskUserQuestion in command, or needs guidance on slash command structure, YAML frontmatter fields, dynamic arguments, bash execution in commands, user interaction patterns, or command development best practices for Claude Code.