Claude Code Hooks Guide 2026: Automate Your AI Coding Workflow

What if Claude Code could automatically format your files after every edit, block dangerous shell commands before they execute, and run your test suite whenever code changes — all without you lifting a finger? That's exactly what Claude Code hooks do. Hooks are lifecycle event listeners that let you attach custom logic to specific moments in Claude Code's execution pipeline. They intercept actions at precisely the right time — before a tool runs, after it succeeds, when a session starts, or when Claude finishes responding. Think of hooks as middleware for your AI coding assistant. They give you programmatic control over Claude's behavior without modifying Claude itself. This guide is the definitive resource on Claude Code hooks in 2026. We'll cover all 18 hook events, four hook types, configuration locations, and five production-ready recipes. What You'll Learn By the end of this guide, you'll understand the complete hook system. You'll know every lifecycle event, how to configure each