# 02b Data In Frontmatter

> Intentionally violates §1.2 validator rule by referencing ${CLAUDE_PLUGIN_DATA} in skill frontmatter hook. Expected to be blocked at install time with a "plugin-only" error.

- Skill: `kazukinagata/02b-data-in-frontmatter` (Agent Skill)
- Install (CLI): `npx skillmds@latest add kazukinagata/02b-data-in-frontmatter`
- Raw SKILL.md: https://api.skillmd.com/api/skills/kazukinagata/02b-data-in-frontmatter/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: kazukinagata (https://skillmd.com/u/kazukinagata)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/kazukinagata/02b-data-in-frontmatter

---


# 02b-data-in-frontmatter (intentionally invalid)

このスキルはわざと invalid な hook を持っており、Claude Code の validator が install 時に block することを確認するためのものです。手動 invoke しないでください。