Browse QA Skills

Generate and evaluate mutation tests to assess test suite effectiveness by introducing controlled code mutations and verifying test detection rates

Analyze web application interfaces for cognitive overload using automated heuristics covering information density, choice complexity, visual hierarchy, and interaction patterns

Test touch interactions and mobile gestures including swipe, pinch-zoom, long-press, drag-and-drop, pull-to-refresh, and multi-touch behaviors across mobile viewports

Audit error messages across web applications for clarity, helpfulness, consistency, localization readiness, and security information leakage

Debug and fix failing GitHub PR checks by inspecting GitHub Actions logs, summarizing failure context, drafting fix plans, and implementing fixes after approval.

Identify stale cache issues across browser cache, CDN layers, API response caching, and application-level caches that cause users to see outdated content

Detect visual defects in dark mode implementations including contrast issues, hardcoded colors, missing theme tokens, and inconsistent component theming

Generate optimized test combinations using pairwise (all-pairs) testing algorithms to achieve maximum coverage with minimum test cases across multiple input parameters

Testing machine learning models including accuracy validation, bias detection, drift monitoring, A/B testing, and model regression testing.

Comprehensive website auditing skill using Lighthouse, PageSpeed Insights, and web performance APIs to audit performance, accessibility, SEO, best practices, and security.

Role-based and attribute-based access control testing including permission matrices, privilege escalation prevention, and resource-level authorization.

Find opportunities to add metrics and estimate numbers when exact data unavailable

Testing cookie and session management including secure flags, SameSite policy, session fixation, timeout behavior, and cross-domain cookie handling.

DNS configuration testing including record validation, DNSSEC verification, resolution timing, failover testing, and DNS-based service discovery.

Database performance testing including query optimization, index analysis, connection pooling, slow query detection, and N+1 query prevention.

Automated scanning of project dependencies for known vulnerabilities using tools like npm audit, Snyk, and Dependabot patterns.

Elasticsearch testing including index management, query validation, mapping verification, bulk operation testing, and search relevance scoring.

Testing GDPR compliance requirements including data deletion, consent management, data portability, right to erasure, and privacy policy enforcement.

Testing image processing pipelines including format conversion, resize quality, metadata handling, watermark verification, and thumbnail generation.