skill-linter

Installation
SKILL.md

Skill Linter

When to Use

  • Adding new skills to the marketplace
  • Reviewing skill PRs
  • Running quality gates before merge
  • Checking existing skills for compliance

Validation Rules

Required Frontmatter

Field Constraints
name 1-64 chars, lowercase alphanumeric + hyphens, no leading/trailing/consecutive hyphens, must match parent directory name. Cannot contain "claude" or "anthropic" (reserved).
description 1-1024 chars, non-empty, should include keywords for discoverability. No XML angle brackets (< >).

Optional Frontmatter

Related skills
Installs
65
GitHub Stars
39
First Seen
Jan 24, 2026