Quality

Helps plan, design, and implement A/B tests and growth experiments. Use when you need to set up split tests, create hypotheses, determine sample sizes, and analyze results for statistically valid decisions.

An accessibility expert skill for conducting WCAG compliance audits, identifying barriers, and providing remediation guidance for inclusive digital experiences.

Find and fix WCAG 2.2 accessibility issues. Operates in report mode for prioritized audits without edits, or fix mode with an audit→edit→verify loop. Uses live-DOM auditing when possible.

Compares accessibility violations on a live page against a baseline, highlighting newly introduced, fixed, and pre-existing issues. Useful for PR reviews to catch accessibility regressions.

Audits a live page for accessibility issues, locates each WCAG violation precisely, and returns a selector-grounded fix worklist without applying changes. Use when you need an accessibility report that maps violations to exact page elements.

Efficiently address PR review comments or issue feedback using GitHub CLI. Fetches comments, helps plan and apply fixes, and responds to resolve feedback systematically.

Reviews API design specifications for consistency, completeness, and adherence to best practices. Use when creating or updating API documentation to ensure high-quality design.

Generates comprehensive test suites for APIs, enabling developers to automate testing workflows directly within Claude Code.

Automates accessibility audits for web applications, identifying issues like missing alt text, contrast problems, and ARIA violations. Use it to ensure your frontend meets WCAG standards.

Performs adversarial review of code changes to uncover vulnerabilities, logic errors, and edge cases. Use before merging to strengthen your codebase.

QA an analysis before sharing -- methodology, accuracy, and bias checks. Use when reviewing an analysis before a stakeholder presentation, spot-checking calculations and aggregation logic, verifying a SQL query's results look right, or assessing whether conclusions are actually supported by the data.

Audits a design or page for WCAG 2.1 AA compliance, checking color contrast, keyboard navigation, touch targets, and screen reader behavior before handoff.