skill-builderlisted

# Skill Builder ## What This Skill Does Creates production-ready Claude Code Skills with proper YAML frontmatter, progressive disclosure architecture, and complete file/folder structure. This skill guides you through building skills that Claude can autonomously discover and use across all surfaces (Claude.ai, Claude Code, SDK, API). ## Prerequisites - Claude Code 2.0+ or Claude.ai with Skills support - Basic understanding of Markdown and YAML - Text editor or IDE ## Quick Start ### Creating Your First Skill ```bash # 1. Create skill directory (MUST be at top level, NOT in subdirectories!) mkdir -p ~/.claude/skills/my-first-skill # 2. Create SKILL.md with proper format 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. Maximum 1024 characters." --- # My First Skill ## What This Skill Does [Your instructions here] ## Quick Start [Basic usage] EOF # 3. Verify skill is detected # Restart Claude Code or refresh Claude.ai ``` --- ## Complete Specification ### 📋 YAML Frontmatter (REQUIRED) Every SKILL.md **must** start with YAML frontmatter containing exactly two required fields: ```yaml --- name: "Skill Name" # REQUIRED: Max 64 chars description: "What this skill does # REQUIRED: Max 1024 chars and when Claude should use it." # Include BOTH what & when --- ``` #### Field Requirements **`name`** (REQUIRED): - **Type**: