Skill Development

This is the meta-skill for building skills themselves. Use it when you're creating new Claude Code skills, organizing skill contents, or need guidance on what goes in SKILL.md versus references versus assets. It walks through the progressive disclosure model (metadata, then SKILL.md, then bundled resources) and provides a structured creation process: understand concrete usage examples, plan reusable contents, then build the structure. The most useful part is the analysis framework for deciding what belongs in scripts (deterministic code you'd rewrite), references (docs Claude needs to read), and assets (files used in output). If you're building plugins with custom skills, this teaches the architecture.

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skills.sh installs: 197
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last updated: Aug 21, 2026

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Install

$ npx -y skills add aiskillstore/marketplace --skill skill-development --agent claude-code

Installs into .claude/skills of the current project.

Files

Skill Development for Claude Code Plugins

This skill provides guidance for creating effective skills for Claude Code plugins.

About Skills

Skills are modular, self-contained packages that extend Claude's capabilities by providing specialized knowledge, workflows, and tools. Think of them as "onboarding guides" for specific domains or tasks—they transform Claude from a general-purpose agent into a specialized agent equipped with procedural knowledge that no model can fully possess.

What Skills Provide

Specialized workflows - Multi-step procedures for specific domains
Tool integrations - Instructions for working with specific file formats or APIs
Domain expertise - Company-specific knowledge, schemas, business logic
Bundled resources - Scripts, references, and assets for complex and repetitive tasks