skill-validator

Installation
SKILL.md

Skill Validator

Validate SKILL.md files against the Agent Skills specification and Claude Code extensions.

When to Run

  • After creating a new skill
  • After modifying a skill's SKILL.md frontmatter
  • Before committing skill changes
  • During periodic repo audits

Validation Rules

Required Fields (Agent Skills Spec)

Every SKILL.md must have YAML frontmatter with:

  • name — kebab-case, matches directory name
  • description — 1-3 sentences, under 1024 chars, starts with verb or domain noun
Related skills
Installs
13
GitHub Stars
22
First Seen
Apr 22, 2026