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Skill Builder

Create custom Claude Code Skills with YAML frontmatter and directory structure.

Updated Aug 23, 2026
Search Tags:#automation#skill development#custom skills#skill creation#claude skills#tooling#workflow building
One-click install
npx skills add https://github.com/ask-23/airflow-ecs --skill skill-builder-ask-23
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Skill Builder
Source: https://github.com/ask-23/airflow-ecs/tree/main/context/.claude/skills/skill-builder
Command: npx skills add https://github.com/ask-23/airflow-ecs --skill skill-builder-ask-23

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and resources (resource) and docs (resource) components.

What problem does it solve?

This Skill empowers users to create custom Claude Code Skills with proper structure and metadata, enabling them to automate unique workflows tailored to their specific needs. It eliminates the guesswork in skill development, ensuring that custom tools are discoverable and usable by Claude, saving time and extending AI capabilities.

Core Features & Use Cases

  • YAML Frontmatter Guidance: Ensures correct name and description for autonomous skill matching, making your custom skills easily discoverable by Claude.
  • Progressive Disclosure Architecture: Structures skills for optimal performance, loading content only when needed, preventing context overload.
  • Complete Directory Organization: Guides the setup of scripts/, resources/, and docs/ for robust, maintainable, and full-featured skills.
  • Use Case: You need a skill to automate generating specific project reports. Use Skill Builder to create a new skill with a scripts/ directory containing your report generation logic, resources/ for templates, and a SKILL.md that clearly instructs Claude on when and how to use it.

Quick Start

1. Create skill directory (e.g., for a "My First Skill")

mkdir -p ~/.claude/skills/my-first-skill

2. Create SKILL.md with proper YAML frontmatter and content

cat > ~/.claude/skills/my-first-skill/SKILL.md << 'EOF'

name: "My First Skill" description: "Brief description of what this skill does and when Claude should use it."

My First Skill

What This Skill Does

[Your instructions here] EOF