Can I build extensions for both Chrome and Firefox?

Absolutely. The skill focuses on cross-browser compatibility and provides patterns that work across major browsers using standard Web Extension APIs.

Does this skill support Manifest V3?

Yes, it is specifically designed for modern Manifest V3 architecture, including service workers, declarative net requests, and the latest security models.

How does it handle communication between extension parts?

It implements robust messaging patterns to facilitate communication between popups, background service workers, and content scripts via chrome.runtime and chrome.tabs APIs.

Does it help with Chrome Web Store publishing?

Yes, the skill includes guidance on preparing your extension for submission, following store policies, and implementing monetization strategies.

Browser Extension Builder

Name: Browser Extension Builder
Author: claudiodearaujo

byclaudiodearaujo

0•

Developer Tools

Develops robust, cross-browser extensions using Manifest V3 architecture, content scripts, and optimized background workers.

The Browser Extension Builder skill serves as a specialized architect for creating production-ready extensions for Chrome, Firefox, and other Chromium-based browsers. It provides expert guidance on the modern Manifest V3 standard, helping developers navigate the complexities of secure permission handling, background service workers, and UI implementation for popups and options pages. Whether you are building a simple productivity tool or a complex SaaS-integrated extension, this skill ensures best practices in security, store policy compliance, and cross-browser compatibility.

Key Features

01Efficient messaging between extension components

02Manifest V3 project scaffolding and configuration

03Secure content script injection and DOM manipulation

04Cross-browser support for Chrome and Firefox

050 GitHub stars

06Store publishing and monetization strategy guidance

Use Cases

01Migrating legacy Manifest V2 extensions to the modern Manifest V3 standard

02Creating cross-browser extensions with persistent storage and synced settings

03Building productivity tools that modify or extract data from web pages

Key Features

01Efficient messaging between extension components

02Manifest V3 project scaffolding and configuration

03Secure content script injection and DOM manipulation

04Cross-browser support for Chrome and Firefox

050 GitHub stars

06Store publishing and monetization strategy guidance

Use Cases

01Migrating legacy Manifest V2 extensions to the modern Manifest V3 standard

02Creating cross-browser extensions with persistent storage and synced settings

03Building productivity tools that modify or extract data from web pages