Security Audit
frankxai/claude-skills-library:free-skills/css-animations
github.com/frankxai/claude-skills-libraryTrust Assessment
frankxai/claude-skills-library:free-skills/css-animations received a trust score of 55/100, placing it in the Caution category. This skill has some security considerations that users should review before deployment.
SkillShield's automated analysis identified 3 findings: 0 critical, 3 high, 0 medium, and 0 low severity. Key findings include Covert behavior / concealment directives.
The analysis covered 4 layers: Manifest Analysis, Static Code Analysis, Dependency Graph, LLM Behavioral Safety. The Manifest Analysis layer scored lowest at 55/100, indicating areas for improvement.
Last analyzed on October 20, 2026 (commit 93c4aad5). SkillShield performs automated 4-layer security analysis on AI skills and MCP servers.
Layer Breakdown
Security Findings3
| Severity | Finding | Layer | Location | |
|---|---|---|---|---|
| HIGH | Covert behavior / concealment directives CSS-based text hiding Remove hidden instructions, zero-width characters, and bidirectional overrides. Skill instructions should be fully visible and transparent to users. | Manifest | free-skills/css-animations/SKILL.md:44 | |
| HIGH | Covert behavior / concealment directives CSS-based text hiding Remove hidden instructions, zero-width characters, and bidirectional overrides. Skill instructions should be fully visible and transparent to users. | Manifest | free-skills/css-animations/SKILL.md:51 | |
| HIGH | Covert behavior / concealment directives CSS-based text hiding Remove hidden instructions, zero-width characters, and bidirectional overrides. Skill instructions should be fully visible and transparent to users. | Manifest | free-skills/css-animations/SKILL.md:83 |
Scan History
Embed Code
[](https://skillshield.io/report/97fab1af83b932ce)
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