metaskills/skill-builder
Claude Code Agent Skills Builder
Author:metaskillsLicense:UnknownLanguage:N/A5812
Deep Analysis
Claude Code official Skill building, editing, and conversion tool helping developers create and maintain reusable skill workflows
Highly Recommended
Core Features
Build skills from scratch with interactive guidance including naming conventions, YAML structure, and support file organization
Optimize existing skill descriptions, organization structure, and tool methods
Convert existing Claude Code subagent configs to skill format with enhanced invocation-oriented descriptions
Keep SKILL.md under 500 lines, move detailed content to separate reference files
Technical Implementation
Architecture:Template and reference doc-based skill building system with directory structure specs, naming conventions, and best practices guide
Execution Flow:
Key Components:
YAML
Node.js v24+
ESM
CLI Tools
Highlights
- Description-first principle: skill description determines when Claude invokes it
- Intent-revealing file naming: like aws-deployment-patterns.md instead of reference.md
- Complete subagent-to-skill conversion guide
- Remove model and tools fields: skills inherit Claude Code built-in capabilities
- 500 line limit: keep SKILL.md concise
Use Cases
- Create new Claude Code skills to extend agent capabilities
- Migrate existing subagent configs to reusable skill format
- Optimize and refactor existing skill descriptions and structure
- Build enterprise-grade skill libraries following Anthropic best practices
Limitations
- Only for Claude Code ecosystem
- Requires using Node.js instead of Python for scripts
- Must follow strict naming and structure conventions
Tech Stack
YAMLNode.js v24+ESM (ECMAScript Modules)CLI 工具链Markdown