Trust Assessment
jb-ruleset-timeline-ui received a trust score of 94/100, placing it in the Trusted category. This skill has passed all critical security checks and demonstrates strong security practices.
SkillShield's automated analysis identified 1 finding: 0 critical, 0 high, 1 medium, and 0 low severity. Key findings include Unpinned Third-Party JavaScript Dependency.
The analysis covered 4 layers: Manifest Analysis, Static Code Analysis, Dependency Graph, LLM Behavioral Safety. All layers scored 70 or above, reflecting consistent security practices.
Last analyzed on February 13, 2026 (commit 13146e6a). SkillShield performs automated 4-layer security analysis on AI skills and MCP servers.
Layer Breakdown
Behavioral Risk Signals
Security Findings1
| Severity | Finding | Layer | Location | |
|---|---|---|---|---|
| MEDIUM | Unpinned Third-Party JavaScript Dependency The skill imports the 'viem' library from a CDN (esm.sh) without specifying a version. This means the skill will always fetch the latest version of 'viem'. If a breaking change or a malicious update is introduced in a future version of 'viem', it could lead to unexpected behavior, runtime errors, or introduce security vulnerabilities into the skill without explicit action from the developer. This constitutes a supply chain risk. Pin the 'viem' dependency to a specific major or minor version to ensure stability and prevent unexpected changes. For example, use 'https://esm.sh/viem@2.x.x' or 'https://esm.sh/viem@2.9.0' instead of 'https://esm.sh/viem'. | LLM | SKILL.md:149 |
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