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Prototyping and testing skills: wireframe specs, usability heuristics, heuristic evaluations, accessibility audits, A/B test design, and benchmark analysis.

WooYun business logic vulnerability methodology — a security testing knowledge plugin distilled from 22,132 public cases, adding evidence-based references, quantitative statistics, and data-driven prioritization.

The most comprehensive Claude Code plugin — 14+ agents, 56+ skills, 33+ commands, and production-ready hooks for TDD, security scanning, code review, and continuous learning