Chrome Devtools Agent Skill

Webapp Testing

by anthropics

vendor ×12

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

Azure Microsoft Playwright Testing Ts

by lingxling

×1

Run Playwright tests at scale with cloud-hosted browsers and integrated Azure portal reporting.

QA

by browser-use

QA-test a website or web app and return a 1-5 quality score (5 = flawless, 1 = broken) with evidence. Use when the user wants to test, QA, evaluate, score, or "check how good" a site, page, flow, or app — including a local dev server (e.g. "qa test localhost:5173", "does the checkout work?", "rate this landing page"). Drives a real Browser Use cloud browser, tunneling localhost automatically.

Playwright Component Testing

by microsoft

vendor

Set up component testing with Playwright using a story gallery — scaffold stories and a gallery dev page driven by the built-in mount fixture, no dedicated component-testing runtime. Use when asked to test React or Vue components in isolation with Playwright, or to migrate off @playwright/experimental-ct-react / -vue.

Browser Testing With Devtools

by addyosmani

Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser. Use when you need to inspect the DOM, capture console errors, analyze network requests, profile performance, or verify visual output with real runtime data. Requires the chrome-devtools MCP server to be configured.

Browser Harness

by browser-use

Always use browser-harness for any web interaction: automation, scraping, testing, or site/app work.

Help Center UI Test

by Automattic

Run a browser-based UI review of the WordPress.com Help Center across multiple surfaces, looking for visual and behavioral issues. Use when asked to test the Help Center UI.

Playwright Expert

by Jeffallan

Use when writing E2E tests with Playwright, setting up test infrastructure, or debugging flaky browser tests. Invoke to write test scripts, create page objects, configure test fixtures, set up reporters, add CI integration, implement API mocking, or perform visual regression testing. Trigger terms: Playwright, E2E test, end-to-end, browser testing, automation, UI testing, visual testing, Page Object Model, test flakiness.