**claude-code-hooks-mastery**

Claude Code Hooks Mastery

[Claude Code Hooks](https://docs.anthropic.com/en/docs/claude-code/hooks) - Quickly master how to use Claude Code hooks to add deterministic (or non-deterministic) control over Claude Code's behavior. Plus learn about [Claude Code Sub-Agents](#claude-code-sub-agents), the powerful [Meta-Agent](#the-meta-agent), and [Team-Based Validation](#team-based-validation-system) with agent orchestration.

Table of Contents

• Prerequisites
• Hook Lifecycle & Payloads
• What This Shows
• UV Single-File Scripts Architecture
• Key Files
• Features Demonstrated
• Hook Error Codes & Flow Control
• UserPromptSubmit Hook Deep Dive
• Claude Code Sub-Agents
• Team-Based Validation System
• Output Styles Collection
• Custom Status Lines

Prerequisites

This requires:

• Astral UV - Fast Python package installer and resolver
• Claude Code - Anthropic's CLI for Claude AI

Optional Setup:

Optional:

• ElevenLabs - Text-to-speech provider (with MCP server integration)
• ElevenLabs MCP Server - MCP server for ElevenLabs
• Firecrawl MCP Server - Web scraping and crawling MCP server (my favorite scraper)
• OpenAI - Language model provider + Text-to-speech provider
• Anthropic - Language model provider
• Ollama - Local language model provider

Hook Lifecycle & Payloads

...