Invalid Unknown Field

Name: Invalid Unknown Field
Author: gaia-research

ASecurity

An invalid ordinary skill containing an unexpected frontmatter field.

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Added September 29, 2026

ai-agents

Security analysis

A100/100

Scanned September 29, 2026

npx -y skills add gaia-research/gaia-skill-tree --skill invalid-unknown-field --agent claude-code

Installs into .claude/skills of the current project.

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SKILL.md

---
name: invalid-unknown-field
description: An invalid ordinary skill containing an unexpected frontmatter field.
unexpectedProperty: forbidden
---

# Invalid Unknown Field Fixture

This fixture tests that quick validation detects unexpected frontmatter properties.