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Found 60 Skills
Browser API differences, polyfills, and feature detection for Firefox, Chrome, Safari, and Edge extensions
Test features before users find bugs. Use when feature is built, before deploying, or when bugs reported. Covers manual testing, edge cases, cross-browser testing, and testing checklists for non-technical founders.
Playwright modern end-to-end testing framework with cross-browser automation, auto-wait, and built-in test runner
Cross-browser, cross-platform, and cross-device compatibility testing ensuring consistent experience across environments. Use when validating browser support, testing responsive design, or ensuring platform compatibility.
Playwright E2E testing expert for browser automation, cross-browser testing, visual regression, network interception, and CI integration. Use for E2E test setup, flaky tests, or browser automation challenges.
E2E testing with Playwright - Page Objects, cross-browser, CI/CD
Write Tampermonkey userscripts for browser automation, page modification, and web enhancement. Use when: creating browser scripts, writing greasemonkey scripts, automating user interactions, injecting CSS or JavaScript into web pages, modifying website behaviour, building browser extensions, hiding unwanted page elements, adding form auto-fill, scraping website data, intercepting requests, detecting URL changes in SPAs, or storing persistent user preferences. Covers userscript headers (@match, @grant, @require), synchronous and async GM_* API functions, common patterns (DOM mutation, URL change detection, element waiting), security sandboxing, and cross-browser compatibility (Chrome, Firefox, Edge).
Advanced visual regression testing with pixel-perfect comparison, AI-powered diff analysis, responsive design validation, and cross-browser visual consistency. Use when detecting UI regressions, validating designs, or ensuring visual consistency.
Run tests on BrowserStack. Use when user mentions "browserstack", "cross-browser", "cloud testing", "browser matrix", "test on safari", "test on firefox", or "browser compatibility".
Build Chrome extensions using WXT framework with TypeScript, React, Vue, or Svelte. Use when creating browser extensions, developing cross-browser add-ons, or working with Chrome Web Store projects. Triggers on phrases like "chrome extension", "browser extension", "WXT framework", "manifest v3", or file patterns like wxt.config.ts.
Use this skill when the user needs to test features before deployment, create test scenarios, find edge cases, or verify bug fixes. Covers manual testing workflows, cross-browser testing, edge case identification, and testing checklists for non-technical founders.
WXT is a modern browser extension development framework that supports Chrome, Firefox, Safari, and Edge; it provides TypeScript support, HMR hot reload, and multi-framework support (Vanilla/Vue/React/Svelte/Solid); suitable for rapid development of cross-browser extensions.