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hook-development

Implement custom Claude Code plugin hooks for events like PreToolUse and PostToolUse.

Updated Feb 16, 2026
Search Tags:#automation#validation#claude code#hooks#plugins#event-driven
One-click install
npx skills add https://github.com/brixtonpham/dot-claude --skill hook-development-brixtonpham
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: hook-development
Source: https://github.com/brixtonpham/dot-claude/tree/main/plugins/marketplaces/claude-plugins-official/plugins/plugin-dev/skills/hook-development
Command: npx skills add https://github.com/brixtonpham/dot-claude --skill hook-development-brixtonpham

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides comprehensive guidance for creating and implementing Claude Code plugin hooks, enabling advanced automation, validation, and event-driven workflows within your plugins.

Core Features & Use Cases

  • Hook Implementation: Learn to create and configure various hook types (Prompt-Based, Command).
  • Event Handling: Understand how to respond to events like PreToolUse, PostToolUse, Stop, SessionStart, and more.
  • Use Case: You need to ensure that no sensitive information is written to files. You can implement a PreToolUse hook that analyzes the content before a Write tool is executed, blocking the operation if secrets are detected.

Quick Start

Use the hook-development skill to learn how to create a PreToolUse hook that validates file writes.

Frequently Asked Questions about hook-development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create Claude Code hooks for event-driven automation?▼

Claude Code hooks enable event-driven automation by configuring prompt-based or command hooks to respond to events like PreToolUse and PostToolUse. You define these hooks using JSON configuration and bash scripting.

Can I validate file writes before execution using Claude Code plugins?▼

Yes, you can validate file writes before execution by implementing a PreToolUse hook. This hook analyzes content before a Write tool runs, blocking operations if sensitive information or secrets are detected.

What events are available for hook handling in Claude Code?▼

Claude Code supports event handling for PreToolUse, PostToolUse, Stop, and SessionStart. These events allow you to trigger specific hook scripts and automate workflows at different stages of the execution lifecycle.

Do I need bash scripting to implement command hooks in Claude Code?▼

Yes, bash scripting is required for command hooks in Claude Code. You also need an understanding of JSON configuration to properly define and register the hook scripts within your plugin.

What is the best way to secure Claude Code hook scripts?▼

Securing Claude Code hook scripts involves following security best practices when writing bash commands and validating inputs. Implementing PreToolUse hooks to analyze content for sensitive data before execution prevents unauthorized file writes.

How does a PostToolUse hook differ from a PreToolUse hook?▼

A PreToolUse hook executes before a tool runs to validate or block operations, while a PostToolUse hook triggers after tool completion. Both are event-driven mechanisms configured via JSON to automate Claude Code workflows.

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