# Unexpected Fields

> Test skill with unexpected fields in frontmatter

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

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# Test Skill - Unexpected Fields

This fixture tests validation when unknown fields are present in the frontmatter.