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