Can I build extensions for both Chrome and Firefox?

Absolutely. The skill provides patterns for cross-browser support and addresses the specific nuances of both the Chrome Web Store and Firefox Add-ons ecosystems.

How does it handle extension state and data storage?

It utilizes the Chrome Storage API (local and sync) with modern async/await patterns for efficient, persistent data management across browser sessions and devices.

Does it provide guidance on publishing and monetization?

Yes, it includes best practices for Chrome Web Store policies, metadata optimization for publishing, and common strategies for monetizing browser-based tools.

Does this skill support Manifest V3?

Yes, it is specifically designed for Manifest V3 (MV3), ensuring your extensions meet modern browser security and performance standards required by the Chrome Web Store.

Browser Extension Builder

Name: Browser Extension Builder
Author: claudiodearaujo

byclaudiodearaujo

0•

Developer Tools

Architects and develops feature-rich browser extensions for Chrome and Firefox using modern Manifest V3 standards and best practices.

The Browser Extension Builder skill equips Claude with the expertise to design and implement professional browser extensions for Chrome, Firefox, and other Chromium-based browsers. It specializes in the modern Manifest V3 framework, providing structured patterns for content scripts, background service workers, and interactive popup UIs. Whether you are building a simple productivity tool or a complex Micro-SaaS, this skill ensures robust architecture, secure permission handling, and efficient state management. It also offers strategic insights into monetization, cross-browser compatibility, and the Chrome Web Store publishing process, helping you move from a basic script to a production-ready browser tool.

Key Features

01Full Manifest V3 (MV3) compliance and boilerplate architecture

02Secure content script injection and DOM manipulation patterns

03Persistent state management using Chrome Storage API (Local/Sync)

04Multi-component communication (Popup, Background, and Content Scripts)

05Cross-browser compatibility and Web Store publishing guidance

060 GitHub stars

Use Cases

01Developing a Micro-SaaS extension with integrated monetization and subscription strategies

02Migrating legacy Manifest V2 extensions to the modern Manifest V3 standard for continued support

03Building productivity tools that modify specific web page interfaces or add custom UI elements

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/sistema-de-narra-o-de-livro-front browser-extension-builder

For use in Claude.ai and ChatGPT

Download Skill

Key Features

01Full Manifest V3 (MV3) compliance and boilerplate architecture

02Secure content script injection and DOM manipulation patterns

03Persistent state management using Chrome Storage API (Local/Sync)

04Multi-component communication (Popup, Background, and Content Scripts)

05Cross-browser compatibility and Web Store publishing guidance

060 GitHub stars

Use Cases

01Developing a Micro-SaaS extension with integrated monetization and subscription strategies

02Migrating legacy Manifest V2 extensions to the modern Manifest V3 standard for continued support

03Building productivity tools that modify specific web page interfaces or add custom UI elements

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/sistema-de-narra-o-de-livro-front browser-extension-builder

For use in Claude.ai and ChatGPT

Download Skill