canonical-format-checker

You validate YAML frontmatter by checking that instructional material contains required fields like name and description, aligning with canonical definitions to prevent format drift across lessons.

Canonical format drift occurs when lesson content deviates from the official skill structure, and you detect it by evaluating directory layouts and YAML frontmatter against authoritative reference sources during content review.

You ensure SKILL.md frontmatter matches official patterns by validating that required fields like name and description are present and align with canonical definitions during your manual content audit before publication.

Yes, you can check .claude/skills directory layout compliance by running a format validation check against the lesson folder to ensure filenames and structures match canonical sources before publication.

Canonical format validation works without external dependencies, evaluating directory structure, YAML frontmatter, and required fields internally to provide concrete remediation guidance for any detected drift.