Can I use hooks to block Claude from certain actions?

Yes, by returning an exit code of 2 in a PreToolUse hook, you can block Claude from executing a specific tool or modifying protected files.

How do hooks differ from skills?

Skills are model-invoked capabilities that Claude chooses to use based on the task, whereas hooks are deterministic and will always execute at their designated lifecycle event.

Do I need to be an expert in bash to use this skill?

While basic shell knowledge helps, this skill provides structured templates and step-by-step guidance to help you create effective hooks with minimal scripting experience.

What are Claude Code hooks?

Hooks are deterministic commands or prompts that run automatically at specific events, such as when a session starts, before a tool is used, or after a command finishes.

Where are hook configurations stored?

Hooks are configured in settings.json files, located either globally in ~/.claude/settings.json or within a specific project's .claude/ directory.

Claude Code Hook Creator

Name: Claude Code Hook Creator
Author: theflysurfer

bytheflysurfer

0•

생산성 및 워크플로

Guides the creation and configuration of Claude Code lifecycle hooks to automate actions and enforce validation rules.

The Claude Code Hook Creator is a specialized skill designed to help users implement deterministic control over their Claude Code environment. By leveraging lifecycle events like SessionStart, PreToolUse, and PostToolUse, this skill enables the automation of repetitive tasks, the enforcement of safety protocols (like file protection), and the integration of external tools directly into the CLI workflow. Whether you need to auto-format code on save, log commands for auditing, or sync session data, this guide provides the templates and logic necessary to build robust bash or LLM-based hooks.

주요 기능

01Detailed debugging and testing procedures for custom hook scripts

02Support for both deterministic shell commands and LLM-driven prompt hooks

030 GitHub stars

04Guided creation of lifecycle hooks for all Claude Code event types

05Standardized configuration management for global and project-specific settings

06Pre-built patterns for file protection, auto-formatting, and command logging

사용 사례

01Automatically running Prettier or linters immediately after Claude edits a file via PostToolUse hooks

02Setting up custom environment variables and syncing project context at the start of every session

03Preventing modification of sensitive files like .env or credentials through PreToolUse validation

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add theflysurfer/claude-skills-marketplace julien-dev-hook-creator

For use in Claude.ai and ChatGPT

Download Skill