Apr 16, 2026 · 13 min read
When Do I Need a Rubric vs Just Using evals.json?
Apr 16, 2026 · 10 min read
What Is a Rubric in a Claude Code Skill?
Apr 16, 2026 · 9 min read
What Is Evaluation-First Development for Claude Code Skills?
Apr 16, 2026 · 10 min read
What Is an evals.json File in Claude Code Skills?
Apr 16, 2026 · 11 min read
What Are Evals in Claude Code Skills?
Apr 16, 2026 · 11 min read
Why Can't I Just Put Everything in One Big SKILL.md File?
Apr 16, 2026 · 9 min read
What is Progressive Disclosure in Claude Code Skills?
Apr 16, 2026 · 12 min read
How Do I Write Step-by-Step Instructions for a Claude Code Skill?
Apr 16, 2026 · 10 min read
What Does the Description Field Do in a Claude Code Skill?
Apr 16, 2026 · 11 min read
What Goes in a SKILL.md File?
Apr 16, 2026 · 9 min read
What is a Claude Code Skill?
Apr 16, 2026 · 11 min read
How Do I Create My First Claude Code Skill?