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Modern Web Development Best Practices

tech-leads-club/agent-skills

Provides comprehensive guidelines for modern web development, covering critical areas like security best practices (e.g., CSP, HTTPS enforcement, input sanitization), browser compatibility (viewport, encoding), and avoiding deprecated APIs. Use this skill when aiming to audit, modernize, or improve the overall quality and robustness of web code.

Browser Extension Development Expert

browser-extension-builder

sickn33/antigravity-awesome-skills

This skill covers the end-to-end development of cross-browser extensions (Chrome, Firefox). Expertise includes mastering Manifest V3, structuring complex architecture (service workers, content scripts), managing local/sync storage, building user interfaces, and implementing monetization models. Ideal for building robust, production-ready tools and navigating store publishing policies.

End-to-End Quality Assurance Workflow

sickn33/antigravity-awesome-skills

This comprehensive workflow provides a complete cycle of quality assurance for software development. It covers every stage from defining the test strategy (TDD, Unit Testing) through integration, E2E testing, browser automation, performance profiling, security scanning, and final code review. Use this when setting up robust testing infrastructure or ensuring production-ready software quality.

Web Browser Game Development Best Practices

sickn33/antigravity-awesome-skills

A comprehensive guide covering modern web game development principles. It details framework selection (Phaser, Three.js), implementing WebGPU, performance optimization strategies like asset compression and object pooling, adhering to browser constraints, and utilizing PWA capabilities for cross-platform gaming experiences.

Playwright Web Browser Automation Tool

playwright-skill

sickn33/antigravity-awesome-skills

A general-purpose skill for writing and executing end-to-end (E2E) browser automation tests using Playwright. It handles complex scenarios such as login flows, form submission, responsive viewport testing, and checking for broken links. The skill automatically detects local development servers and executes custom scripts in a safe, temporary directory, providing real-time debugging and results visualization.

Browser Automation and DevTools Inspection

chrome-devtools

github/awesome-copilot

This skill provides expert-level control over a live Chrome browser. It enables full web automation (clicking, form filling, navigation), deep debugging (analyzing console logs, network requests), visual inspection (screenshots, snapshots), and detailed performance profiling. Ideal for QA engineers, web scraping, and front-end development testing.

Playwright CI Testing for WebContainers

stackblitz-ci-integration

jeremylongshore/claude-code-plugins-plus-skills

This skill provides Continuous Integration (CI) testing for applications built with WebContainer and StackBlitz SDK. It utilizes Playwright browser tests to ensure code reliability and functional correctness across various environments. Ideal for developers integrating WebContainers into CI pipelines or working within the StackBlitz development ecosystem.

Building A Browser IDE With WebContainers

stackblitz-core-workflow-a

jeremylongshore/claude-code-plugins-plus-skills

This workflow details how to build a complete, browser-based Integrated Development Environment (IDE). Using WebContainers, it integrates key components like a file explorer, Monaco editor, integrated terminal, and live preview. This architecture is crucial for developing interactive coding playgrounds, educational web tools, or embedding robust development sandboxes into existing web applications.

WebContainer Diagnostic Bundle

stackblitz-debug-bundle

jeremylongshore/claude-code-plugins-plus-skills

This bundle collects comprehensive diagnostic information about the WebContainer environment. It checks the boot state, file system integrity, running process list, and modern browser support (e.g., SharedArrayBuffer, cross-origin isolation). Essential for developers integrating with StackBlitz SDK or WebContainers to troubleshoot complex development issues.

Booting Dev Servers in WebContainers

stackblitz-hello-world

jeremylongshore/claude-code-plugins-plus-skills

This guide demonstrates how to set up a complete development environment entirely within a web browser using the WebContainer API. It covers mounting a virtual file system, installing Node.js dependencies via npm, and starting a local dev server (like Express) without needing a dedicated backend server. It is ideal for learning WebContainers, building browser-based IDEs, or prototyping Node.js applications client-side.

WebContainer Local Development Setup

stackblitz-local-dev-loop

jeremylongshore/claude-code-plugins-plus-skills

A comprehensive guide to setting up a local development loop for WebContainer applications. This setup utilizes Vite for a modern development environment, providing hot module replacement (HMR) and cross-origin policy configuration. It includes detailed steps for running Vitest tests, ensuring file system operations and browser-based IDE features function correctly in a simulated local environment.

StackBlitz WebContainer Reference Architecture

stackblitz-reference-architecture

jeremylongshore/claude-code-plugins-plus-skills

This skill provides the production-grade architectural blueprint for developing browser-based Integrated Development Environments (IDEs) and interactive playgrounds powered by WebContainers. It is essential for developers who are integrating the WebContainers API or utilizing the StackBlitz SDK to create robust, cloud-based development experiences.

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