Browse QA Skills

The complete QA skill for Claude Code — turn Claude into an expert QA engineer that picks the right test type, writes reliable Playwright, Cypress, and pytest tests, eliminates flaky tests, enforces coverage, and wires up CI. Claude Code QA testing done right.

AI-native browser automation — 81 CLI commands for navigating pages, filling forms, clicking elements, taking screenshots, and managing tabs. 2.6k+ GitHub stars.

Jest unit testing patterns with mocking, spies, snapshots, and async testing

Cypress end-to-end testing with custom commands, intercepts, and component testing

User-centric React component testing with queries, events, and async utilities

Browser automation tool by Vercel Labs enabling programmatic web interaction. Navigate URLs, capture interactive elements with refs, fill forms, take screenshots, generate PDFs, and run parallel sessions.

Python testing with pytest fixtures, parametrize, markers, and plugins

Blazing fast Vite-native unit testing with Jest-compatible API and ESM support

Headless Chrome automation with Puppeteer for web scraping, PDF generation, and E2E testing

Automated performance, accessibility, and SEO auditing with Google Lighthouse

Modern load testing with k6 including thresholds, scenarios, and custom metrics

API testing with Playwright APIRequestContext for REST and GraphQL endpoints

Mock Service Worker for seamless API mocking in browser and Node.js environments

Diagnose flaky test failures from Playwright reports, traces, and rerun history. Classify each failure as product, test, environment, data, or unknown with cited evidence and a proposed fix. Never auto-modifies code without opt-in.

Official Vue.js testing utilities for component mounting, mocking, and assertions

Track test coverage with Istanbul/nyc, generate reports, and enforce thresholds

HTTP assertion library for Node.js API testing with Express, Koa, and Fastify