How do I trigger a new skill in Claude Code?

Skills are triggered based on configurations in the skill-rules.json file, utilizing keywords, intent patterns, specific file paths, or regex content detection.

What is the difference between BLOCK and SUGGEST enforcement?

BLOCK prevents tool execution until a requirement is met (ideal for data integrity), while SUGGEST injects advisory context without interrupting the user workflow.

What is a Claude Code Skill?

A specialized capability that provides domain-specific guidance, best practices, and implementation patterns to enhance Claude's behavior during coding tasks.

What is the 500-line rule for skills?

It is an Anthropic best practice requiring SKILL.md files to stay under 500 lines to ensure the AI remains focused and efficient, utilizing reference files for deeper detail.

Claude Code Skill Developer

Name: Claude Code Skill Developer
Author: claudiodearaujo

byclaudiodearaujo

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Developer Tools

Streamlines the creation, management, and debugging of custom Claude Code skills using Anthropic's official architectural best practices.

The Skill Developer guide is a meta-utility designed to help developers extend Claude Code with specialized, domain-specific capabilities. It provides a comprehensive framework for implementing auto-activation systems, managing complex trigger patterns via YAML frontmatter, and configuring the dual-hook architecture (UserPromptSubmit and PreToolUse). By following the 500-line rule and progressive disclosure patterns, this skill ensures that custom extensions remain high-performance and contextually relevant without overwhelming the AI's processing window.

Key Features

01Dual-hook architecture for proactive suggestions and reactive guardrails

02Advanced trigger pattern implementation (Keywords, Intent, Glob, Regex)

030 GitHub stars

04Session-aware enforcement logic to prevent repetitive prompts

05Comprehensive skill-rules.json configuration management

06Built-in compliance with Anthropic's 500-line rule and documentation standards

Use Cases

01Building custom guardrails to prevent common architectural mistakes

02Optimizing AI workflows through automated hook-based context injection

03Creating domain-specific documentation triggers for internal libraries

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/sistema-de-narra-o-de-livro-front skill-developer

For use in Claude.ai and ChatGPT

Download Skill