Risk Differences Across Agent Skill Types

Security Vulnerability Analysis of AI Agent Tool Ecosystems

Key Findings
Vulnerability Prevalence by Category
Composite Risk Rankings
Vulnerability Type Distribution Heatmap
Permission Scope vs Vulnerability Prevalence
Mean Severity Score by Category
Statistical Tests Summary
Category Deep Dive
Methodology

Dataset: 3,500 AI agent skill definitions across 7 functional categories (500 per category), sourced from public tool registries and agent platforms.

Analysis: Each skill was analyzed for 8 vulnerability types using static analysis, pattern matching, and manual expert review. Severity scored on CVSS-aligned 1-10 scale.

Statistical Methods: Chi-square omnibus test for overall distribution differences. Pearson and Spearman correlations for permission-prevalence relationship. Risk Disparity Index computed as max/min prevalence ratio.

Composite Score: 0.6 * normalized_prevalence + 0.4 * normalized_severity, providing balanced risk ranking across categories.