# Bad Skill > This skill has invalid YAML in frontmatter Use when this capability is needed. - Skill: `tomevault-io/bad-skill-2` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/bad-skill-2` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/bad-skill-2/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/bad-skill-2 --- # Bad Skill This skill has malformed frontmatter that should fail parsing. The YAML has: - Unclosed array bracket - Wrong type for prerequisites (should be array, not string) --- > Source: [MadAppGang/claude-code](https://github.com/MadAppGang/claude-code) — distributed by [TomeVault](https://tomevault.io).