# Invalid Missing Frontmatter

> Skills SDK Invalid Fixture

- Skill: `jscraik/invalid-missing-frontmatter` (Agent Skill)
- Install (CLI): `npx skillmds@latest add jscraik/invalid-missing-frontmatter`
- Raw SKILL.md: https://api.skillmd.com/api/skills/jscraik/invalid-missing-frontmatter/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: jscraik (https://skillmd.com/u/jscraik)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/jscraik/invalid-missing-frontmatter

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# Skills SDK Invalid Fixture

This fixture intentionally omits frontmatter so scaffold parser tests can prove
the invalid skill-source path is rejected.