Create Skill

Guide for creating effective Claude Code skills that trigger reliably, use context efficiently, and follow official best practices.

Core Principles

Context Window is a Public Good

Only include information Claude does not already know. Challenge each piece of content:

• Does Claude really need this explanation?
• Can Claude be assumed to know this?
• Does this paragraph justify its token cost?

Progressive Disclosure (Three Levels)

Skills use a three-level loading system: