Builds production-ready, cross-browser extensions using Manifest V3 and modern architecture patterns.
The Browser Extension Builder skill equips Claude with the specialized knowledge required to architect and develop robust extensions for Chrome, Firefox, and other Chromium-based browsers. It focuses on the Manifest V3 standard, guiding users through complex implementation details such as service workers, content script injection, secure cross-context communication, and persistent storage management. Whether you are building a simple popup tool or a complex browser-integrated application, this skill ensures adherence to security best practices and store publishing requirements to help you move from a prototype to a published tool efficiently.
主な機能
01Manifest V3 (MV3) compliant architecture and configuration
02Secure communication between popups, background scripts, and content scripts
03Persistent state management using the Chrome Storage API
04Dynamic UI injection and content manipulation within web pages
05Cross-browser compatibility strategies for Chrome and Firefox
060 GitHub stars
ユースケース
01Developing a productivity tool that modifies web page behavior via content scripts
02Building a browser-based dashboard or popup utility with persistent user settings
03Migrating legacy Manifest V2 extensions to the modern Manifest V3 standard
