pw

$npx mdskill add alirezarezvani/claude-skills/pw

Production-grade Playwright testing toolkit for AI coding agents.

SKILL.md

.github/skills/pwView on GitHub ↗
---
name: "pw"
description: "Use for any Playwright or end-to-end browser testing work: writing tests, fixing flaky ones, migrating from Cypress or Selenium, CI setup, TestRail or BrowserStack. Routes to the matching /pw sub-skill and its 55 templates."
---

# Playwright Pro

Production-grade Playwright testing toolkit for AI coding agents.

## Available Commands

When installed as a Claude Code plugin, these are available as `/pw:` commands:

| Command | What it does |
|---|---|
| `/pw:pw-init` | Set up Playwright — detects framework, generates config, CI, first test |
| `/pw:generate <spec>` | Generate tests from user story, URL, or component |
| `/pw:pw-review` | Review tests for anti-patterns and coverage gaps |
| `/pw:fix <test>` | Diagnose and fix failing or flaky tests |
| `/pw:migrate` | Migrate from Cypress or Selenium to Playwright |
| `/pw:coverage` | Analyze what's tested vs. what's missing |
| `/pw:testrail` | Sync with TestRail — read cases, push results |
| `/pw:browserstack` | Run on BrowserStack, pull cross-browser reports |
| `/pw:report` | Generate test report in your preferred format |

## Quick Start Workflow

The recommended sequence for most projects:

```
1. /pw:pw-init          → scaffolds config, CI pipeline, and a first smoke test
2. /pw:generate      → generates tests from your spec or URL
3. /pw:pw-review        → validates quality and flags anti-patterns      ← always run after generate
4. /pw:fix <test>    → diagnoses and repairs any failing/flaky tests  ← run when CI turns red
```

**Validation checkpoints:**
- After `/pw:generate` — always run `/pw:pw-review` before committing; it catches locator anti-patterns and missing assertions automatically.
- After `/pw:fix` — re-run the full suite locally (`npx playwright test`) to confirm the fix doesn't introduce regressions.
- After `/pw:migrate` — run `/pw:coverage` to confirm parity with the old suite before decommissioning Cypress/Selenium tests.

### Example: Generate → Review → Fix

```bash
# 1. Generate tests from a user story
/pw:generate "As a user I can log in with email and password"

# Generated: tests/auth/login.spec.ts
# → Playwright Pro creates the file using the auth template.

# 2. Review the generated tests
/pw:pw-review tests/auth/login.spec.ts

# → Flags: one test used page.locator('input[type=password]') — suggests getByLabel('Password')
# → Fix applied automatically.

# 3. Run locally to confirm
npx playwright test tests/auth/login.spec.ts --headed

# 4. If a test is flaky in CI, diagnose it
/pw:fix tests/auth/login.spec.ts
# → Identifies missing web-first assertion; replaces waitForTimeout(2000) with expect(locator).toBeVisible()
```

## Golden Rules

1. `getByRole()` over CSS/XPath — resilient to markup changes
2. Never `page.waitForTimeout()` — use web-first assertions
3. `expect(locator)` auto-retries; `expect(await locator.textContent())` does not
4. Isolate every test — no shared state between tests
5. `baseURL` in config — zero hardcoded URLs
6. Retries: `2` in CI, `0` locally
7. Traces: `'on-first-retry'` — rich debugging without slowdown
8. Fixtures over globals — `test.extend()` for shared state
9. One behavior per test — multiple related assertions are fine
10. Mock external services only — never mock your own app

## Locator Priority

```
1. getByRole()        — buttons, links, headings, form elements
2. getByLabel()       — form fields with labels
3. getByText()        — non-interactive text
4. getByPlaceholder() — inputs with placeholder
5. getByTestId()      — when no semantic option exists
6. page.locator()     — CSS/XPath as last resort
```

## What's Included

- **9 skills** with detailed step-by-step instructions
- **3 specialized agents**: test-architect, test-debugger, migration-planner
- **55 test templates**: auth, CRUD, checkout, search, forms, dashboard, settings, onboarding, notifications, API, accessibility
- **2 MCP servers** (TypeScript): TestRail and BrowserStack integrations *(optional — not auto-registered; see Integration Setup)*
- **Smart hooks**: auto-validate test quality, auto-detect Playwright projects
- **6 reference docs**: golden rules, locators, assertions, fixtures, pitfalls, flaky tests
- **Migration guides**: Cypress and Selenium mapping tables

## Integration Setup

> **Not auto-registered (issue #978).** The TestRail and BrowserStack MCP servers
> are no longer declared in the plugin's `.mcp.json` (they failed to connect for
> every user — no bundled `node_modules`). Exporting the env vars below is not
> enough: `/pw:testrail` / `/pw:browserstack` fail with "tool not found" until you
> enable the server manually (`cd integrations/<name>-mcp && npm install`, then
> register it in your own user/project MCP config). See `CLAUDE.md` → Integrations.

### TestRail (Optional)
```bash
export TESTRAIL_URL="https://your-instance.testrail.io"
export TESTRAIL_USER="[email protected]"
export TESTRAIL_API_KEY="your-api-key"
```

### BrowserStack (Optional)
```bash
export BROWSERSTACK_USERNAME="your-username"
export BROWSERSTACK_ACCESS_KEY="your-access-key"
```

## Quick Reference

See `reference/` directory for:
- `golden-rules.md` — The 10 non-negotiable rules
- `locators.md` — Complete locator priority with cheat sheet
- `assertions.md` — Web-first assertions reference
- `fixtures.md` — Custom fixtures and storageState patterns
- `common-pitfalls.md` — Top 10 mistakes and fixes
- `flaky-tests.md` — Diagnosis commands and quick fixes

See `templates/README.md` for the full template index.

More from alirezarezvani/claude-skills

SkillDescription
a11y-auditUse for any accessibility audit or a11y fix (WCAG 2.2 A/AA, color contrast, compliance report, CI check) in React, Next.js, Vue, Angular, Svelte or HTML. Scans with a11y_scanner.py and checks contrast with contrast_checker.py, then fixes and re-verifies.
ab-test-setupUse before planning or launching any A/B, split or multivariate test, or when asked if a result is significant. Sizes the test with sample_size_calculator.py and writes the hypothesis, metric and stop rule first, so it is not called early on noise.
access-lifecycleUse when preparing or running a user access review, checking that leavers lost their access, finding orphaned or ownerless service accounts, answering an auditor's access-control request for SOC 2, ISO 27001, PCI DSS, HIPAA or NIST 800-53, or checking whether a finished review campaign will hold up. Diffs the HR roster against account exports, tests the campaign for coverage, self-review, unremoved revokes and rubber-stamping, and maps every exception to the controls it breaks.
ad-creativeUse for any ad copy request (RSA headlines, Meta, LinkedIn or TikTok ads, bulk variations), before writing. Checks every line against platform character limits and policy with ad_copy_validator.py. Campaign strategy and budgets: paid-ads.
adversarial-reviewerTough, critical review of a diff or PR before merge, through hostile reviewer personas that catch shared blind spots. Use whenever the user wants a change torn apart, a harsh second opinion, or a self-review felt too agreeable.
aeoUse when content should be cited by ChatGPT, Perplexity, Claude or Gemini (answer engine optimization), before rewriting it. Scores E-E-A-T and structure with aeo_audit.py, rewrites with aeo_optimizer.py and logs citations with citation_tracker.py.
agent-decision-receiptsUse when an autonomous agent takes a side-effecting action (deploy, delete, pay, grant access) that may need proving later, or for EU AI Act Art. 12 record-keeping. Builds a tamper-evident signed receipt with build_action_manifest.py and verifies it.
agent-designerDesign multi-agent systems (supervisor, swarm, pipeline) and tool schemas; find bottlenecks in run logs. Use whenever agents split work or a run is slow or costly. Not for Claude Code workflow files (workflow-builder).
agent-harnessUse when an agent should drive a goal in one of this repo's domains to a verified close, before starting the work. Compiles the goal into a task plan with goal_compiler.py and runs it through loop_controller.py, which verifies each task, caps retries and escalates.
agent-launcher-orchestratorUse when someone wants to build, launch, grade or schedule a Claude Managed Agent in their own Anthropic account ('build me an agent', 'run this nightly'). Reads the session goal, routes with goal_router.py and compiles the loop with loop_compiler.py.