Free tool
SKILL.md Validator
Paste a SKILL.md file to check its frontmatter, required
fields, and common formatting mistakes. Everything runs in your browser — nothing is
sent to any server.
Validation
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- Paste a SKILL.md file to see results.
What a valid SKILL.md looks like
A SKILL.md is a Markdown file with a YAML frontmatter block at the top, followed by the skill's instructions. The name field is required; everything else is optional metadata.
--- name: React Patterns description: Frontend component conventions for our team category: Frontend tags: [react, hooks, components] --- # React Patterns ## Component structure Always use functional components with TypeScript...
Manage validated skills across your team
SkillInvoke stores your SKILL.md files in Git, reviews changes by PR, and syncs approved skills to every developer and agent.