What is the difference between BLOCK and SUGGEST enforcement?

BLOCK prevents Claude from executing a tool (like Edit or Write) until specific conditions are met, whereas SUGGEST simply injects helpful guidance into the prompt without interrupting the workflow.

How can I prevent a skill from nagging me in every turn?

Skills use session tracking to store state in .claude/hooks/state/, allowing them to trigger once per session or until a specific file marker like @skip-validation is detected.

What is the 500-line rule for Claude skills?

The 500-line rule is a best practice recommending that any individual SKILL.md file stay under 500 lines to maximize Claude's remaining context window for the actual task at hand.

How do I trigger a skill based on specific files?

You can define glob patterns in the skill-rules.json file under the filePathTriggers section to automatically activate a skill when specific file types or directories are accessed.

Claude Skill Developer

Name: Claude Skill Developer
Author: Activer007

byActiver007

0•

Developer Tools

Streamlines the creation, configuration, and management of custom Claude Code skills using standardized architectural patterns.

The Claude Skill Developer is a specialized meta-skill designed to guide developers through the entire lifecycle of building custom capabilities for Claude Code. It provides a comprehensive framework for implementing auto-activation triggers, managing the skill-rules.json configuration, and leveraging the dual-hook architecture (UserPromptSubmit and PreToolUse). By enforcing Anthropic best practices—such as the 500-line rule and progressive disclosure—this tool ensures that custom skills are performant, context-efficient, and capable of providing either gentle suggestions or hard guardrails for critical development tasks.

Key Features

01Standardized skill scaffolding with YAML frontmatter and structured SKILL.md templates

02Session-aware state management to prevent repetitive or intrusive AI suggestions

03Advanced trigger management using keywords, regex intent patterns, and glob file paths

04Automated testing workflows for validating skill activation and hook performance

050 GitHub stars

06Dual-hook architecture implementation for proactive context injection and safety enforcement

Use Cases

01Optimizing Claude's performance by refactoring large skills into progressive disclosure patterns

02Building organizational guardrails to prevent common security vulnerabilities or database errors

03Creating domain-specific documentation skills that auto-activate based on project file types

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add activer007/ordinary-claude-skills skill-developer

For use in Claude.ai and ChatGPT

Download Skill