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Found 60 Skills
Browser API differences, polyfills, and feature detection for Firefox, Chrome, Safari, and Edge extensions
Playwright modern end-to-end testing framework with cross-browser automation, auto-wait, and built-in test runner
E2E testing with Playwright - Page Objects, cross-browser, CI/CD
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.
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.
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).
Browser automation, visual testing, and screenshot validation using Playwright MCP server for accelerated web development. Master visual regression testing, automated UI testing, and cross-browser validation.
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.
Browser extension development with security and cross-browser support. Use when: - Building Chrome, Firefox, or Safari extensions - Requesting permissions in manifest - Implementing content scripts or background workers - Handling cross-browser compatibility - Planning extension updates Keywords: browser extension, Manifest V3, content script, background script, permissions, Chrome extension, Firefox addon, WebExtensions API
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.
Run tests on BrowserStack. Use when user mentions "browserstack", "cross-browser", "cloud testing", "browser matrix", "test on safari", "test on firefox", or "browser compatibility".