I Made Claude Code Run Custom Scripts on Every Edit (How to Set Up Claude Code Hooks 2026)

🆕 NEW (Video 5 of this series): Give your agent NEW powers with MCP. GitHub, browsers, custom tools, all in 10 lines: https://youtu.be/enRbqWIA-_l ──────── Claude Code Hooks let you run any shell command at specific moments in Claude's lifecycle — before it edits a file, after it writes one, when a task finishes. In this -minute tutorial: two production-ready hooks shipped in 23 lines of JSON. 🎯 What you'll build: ✓ A PostToolUse hook that auto-formats every file Claude edits (using Prettier) ✓ A PreToolUse hook that blocks Claude from touching .env files or other secrets ✓ The exact settings.json config you can copy into your own project today 🔗 LINKS Claude Code Hooks official docs: https://code.claude.com/docs/en/hooks Claude Code install: https://claude.ai/install.sh 👉 All the code from this tutorial: https://github.com/AyyazTech/claude-code-hooks-demo Demo repo used in this tutorial: https://github.com/AyyazTech/claude-code-hooks-demo 📺 Related videos (the 3-Pillar Series): - This One File Made Claude Code 10x Smarter (CLAUDE.md Tutorial): https://youtu.be/D5UUTFOKdSI - 3 Claude Code Skills Every Developer Should Install Today: https://youtu.be/GDll232uoIg - Gave Claude Code Full Access to My GitHub (Official MCP Setup): https://youtu.be/F68wUtH5riI 🚀 SUBSCRIBE for the next Claude Code feature tutorial. 👍 LIKE if you'll wire a hook into your project today. 💬 COMMENT — which hook will you build first? Auto-formatter, security gate, or something else? 🌐 ayyaztech.com 💻 GitHub: https://github.com/AyyazTech #ClaudeCode #ClaudeCodeHooks #AICoding #DeveloperTools #AnthropicClaude #ClaudeCodeTutorial #2026