Battle-tested Playwright patterns for E2E, API, component, visual, accessibility, and security testing. Covers locators, fixtures, POM, network mocking, auth flows, debugging, CI/CD (GitHub Actions, GitLab, CircleCI, Azure, Jenkins), framework recipes (React, Next.js, Vue, Angular), and migration guides from Cypress/Selenium. TypeScript and JavaScript.
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Opinionated, production-tested Playwright guidance — every pattern includes when (and when not) to use it.
50+ reference guides covering the full Playwright surface: selectors, assertions, fixtures, page objects, network mocking, auth, visual regression, accessibility, API testing, CI/CD, debugging, and more — with TypeScript and JavaScript examples throughout.
getByRole() over CSS/XPath — resilient to markup changes, mirrors how users see the pagepage.waitForTimeout() — use expect(locator).toBeVisible() or page.waitForURL()expect(locator) auto-retries; expect(await locator.textContent()) does notbaseURL in config — zero hardcoded URLs in tests2 in CI, 0 locally — surface flakiness where it matters'on-first-retry' — rich debugging artifacts without CI slowdowntest.extend(), not module-level variablesexpect() calls are fine| What you're doing | Guide | Deep dive |
|---|---|---|
| Choosing selectors | locators.md | locator-strategy.md |
| Assertions & waiting | assertions-and-waiting.md | |
| Organizing test suites | test-organization.md | test-architecture.md |
| Playwright config | configuration.md | |
| Page objects | page-object-model.md | pom-vs-fixtures-vs-helpers.md |
| Fixtures & hooks | fixtures-and-hooks.md | |
| Test data | test-data-management.md | |
| Auth & login | authentication.md | auth-flows.md |
| API testing (REST/GraphQL) | api-testing.md | |
| Visual regression | visual-regression.md | |
| Accessibility | accessibility.md | |
| Mobile & responsive | mobile-and-responsive.md | |
| Component testing | component-testing.md | |
| Network mocking | network-mocking.md | when-to-mock.md |
| Forms & validation | forms-and-validation.md | |
| File uploads/downloads | file-operations.md | file-upload-download.md |
| Error & edge cases | error-and-edge-cases.md | |
| CRUD flows | crud-testing.md | |
| Drag and drop | drag-and-drop.md | |
| Search & filter UI | search-and-filter.md |
| Problem | Guide |
|---|---|
| General debugging workflow | debugging.md |
| Specific error message | error-index.md |
| Flaky / intermittent tests | flaky-tests.md |
| Common beginner mistakes | common-pitfalls.md |
| Framework | Guide |
|---|---|
| Next.js (App Router + Pages Router) | nextjs.md |
| React (CRA, Vite) | react.md |
| Vue 3 / Nuxt | vue.md |
| Angular | angular.md |
| From | Guide |
|---|---|
| Cypress | from-cypress.md |
| Selenium / WebDriver | from-selenium.md |
| Question | Guide |
|---|---|
| Which locator strategy? | locator-strategy.md |
| E2E vs component vs API? | test-architecture.md |
| Mock vs real services? | when-to-mock.md |
| POM vs fixtures vs helpers? | pom-vs-fixtures-vs-helpers.md |
| Topic | Guide |
|---|---|
| GitHub Actions | ci-github-actions.md |
| GitLab CI | ci-gitlab.md |
| CircleCI / Azure DevOps / Jenkins | ci-other.md |
| Parallel execution & sharding | parallel-and-sharding.md |
| Docker & containers | docker-and-containers.md |
| Reports & artifacts | reporting-and-artifacts.md |
| Code coverage | test-coverage.md |
| Global setup/teardown | global-setup-teardown.md |
| Multi-project config | projects-and-dependencies.md |
| Topic | Guide |
|---|---|
| Multi-user & collaboration | multi-user-and-collaboration.md |
| WebSockets & real-time | websockets-and-realtime.md |
| Browser APIs (geo, clipboard, permissions) | browser-apis.md |
| iframes & Shadow DOM | iframes-and-shadow-dom.md |
| Canvas & WebGL | canvas-and-webgl.md |
| Service workers & PWA | service-workers-and-pwa.md |
| Electron apps | electron-testing.md |
| Browser extensions | browser-extensions.md |
| Security testing | security-testing.md |
| Performance & benchmarks | performance-testing.md |
| i18n & localization | i18n-and-localization.md |
| Multi-tab & popups | multi-context-and-popups.md |
| Clock & time mocking | clock-and-time-mocking.md |
| Third-party integrations | third-party-integrations.md |
| What you're doing | Guide |
|---|---|
| CLI browser interaction | playwright-cli/SKILL.md |
| Core commands (open, click, fill, navigate) | core-commands.md |
| Network mocking & interception | request-mocking.md |
| Running custom Playwright code | running-custom-code.md |
| Multi-session browser management | session-management.md |
| Cookies, localStorage, auth state | storage-and-auth.md |
| Test code generation from CLI | test-generation.md |
| Tracing and debugging | tracing-and-debugging.md |
| Screenshots, video, PDF | screenshots-and-media.md |
| Device & environment emulation | device-emulation.md |
| Complex multi-step workflows | advanced-workflows.md |
All guides include TypeScript and JavaScript examples. When the project uses .js files or has no tsconfig.json, examples are adapted to plain JavaScript.
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Simulates academic peer review, evaluating papers across Originality, Methodology, Results, and Writing to provide Major/Minor Revision recommendations with actionable feedback. Triggers when a user asks to "review my paper," "simulate peer review," or "give my paper a peer review.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
This skill should be used when the user asks to "attack Active Directory", "exploit AD", "Kerberoasting", "DCSync", "pass-the-hash", "BloodHound enumeration", "Golden Ticket", "Silver Ticket", "AS-REP roasting", "NTLM relay", or needs guidance on Windows domain penetration testing.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
This skill should be used when the user asks to "test API security", "fuzz APIs", "find IDOR vulnerabilities", "test REST API", "test GraphQL", "API penetration testing", "bug bounty API testing", or needs guidance on API security assessment techniques.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Generate multiple radically different interface designs for a module using parallel sub-agents. Use when user wants to design an API, explore interface options, compare module shapes, or mentions "design it twice".
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Interactive system flow tracing across CODE, API, AUTH, DATA, NETWORK layers with SQLite persistence and Mermaid export. Use for security audits, compliance documentation, flow tracing, feature ideation, brainstorming, debugging, architecture reviews, or incident post-mortems. Triggers on audit, trace flow, document flow, security review, debug flow, brainstorm, architecture review, post-mortem, incident review.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Authentication patterns: session vs JWT vs OAuth comparison, provider selection (NextAuth, Clerk, Supabase Auth), security checklist, and common mistakes. Use when implementing auth, reviewing auth flows, or choosing auth providers.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.