extension▌

Comprehensive guidelines for building secure, performant Chrome extensions with Manifest V3. \n \n Covers full extension architecture including background Service Workers, content scripts, popup UI, and inter-component messaging with security best practices \n Emphasizes Manifest V3 compliance, least-privilege permissions, Content Security Policy implementation, and protection against XSS and injection attacks \n Includes Chrome API patterns for storage, tabs, runtime, alarms, and actions; async

Comprehensive performance and code quality guide for Chrome Extensions (Manifest V3). Contains 67 rules across 12 categories, prioritized by impact to guide automated refactoring and code generation.

Add to command in package.json:

Comprehensive UX/UI design guide for Chrome Extensions, optimized for Manifest V3. Contains 42 rules across 8 categories, prioritized by impact to guide extension UI development and code review.

After creating any extension file, you must update the main src/extensions.ts file to register the extension with the app.

Build browser extensions for Chrome, Firefox, and cross-browser platforms using Manifest V3 architecture. \n \n Covers extension structure, Manifest V3 configuration, content scripts, background service workers, popup UIs, and storage patterns \n Includes communication patterns between popup, background worker, and content scripts; DOM injection and event handling on web pages \n Provides Chrome Storage API usage with async/await patterns, storage limits, and data persistence across devices \n H

Role: Browser Extension Architect