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browser-extension-builder

Scaffolds browser extensions with Blueprint for cross-platform UI.

Updated May 17, 2025
Search Tags:#development#extension#browser#cross-browser#manifest v3#content scripts
One-click install
npx skills add https://github.com/elwa2/portfolio --skill browser-extension-builder-elwa2
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: browser-extension-builder
Source: https://github.com/elwa2/portfolio/tree/main/open-source-tools/.agents/skills/browser-extension-builder
Command: npx skills add https://github.com/elwa2/portfolio --skill browser-extension-builder-elwa2

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill streamlines the development of browser extensions, enabling developers to efficiently create, structure, and publish extensions compatible with Chrome, Firefox, and other browsers.

Core Features & Use Cases

  • Extension Architecture Design: Provides templates and best practices for building scalable and maintainable extensions.
  • Manifest v3 Implementation: Guides creating compliant manifest files with features such as background services and content scripts.
  • Use Case: A developer wants to create a content blocker for Chrome, utilizing manifest v3 and cross-browser APIs, ensuring smooth deployment and upgrade processes.

Quick Start

Use the extension builder to set up a new browser extension project with a manifest v3 template and sample popup UI.

Frequently Asked Questions about browser-extension-builder

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a cross-browser extension that works on both Chrome and Firefox?▼

To build a cross-browser extension, you structure your project using shared manifest v3 templates and standard content scripts. This approach ensures compatibility across Chrome and Firefox without requiring separate codebases.

What is manifest v3 and how does it affect browser extension development?▼

Manifest v3 is the modern standard for browser extension architecture, replacing background pages with service workers. It affects development by requiring background services and updated API permissions for Chrome and Firefox compliance.

How do I set up content scripts and background processes for a new browser extension?▼

You set up content scripts and background processes by using project templates that define these components within a manifest v3 file. This structure provides scalable architecture and best practices for maintaining extension logic.

Do I need external dependencies or libraries to create a market-ready browser add-on?▼

No external dependencies are required to create a market-ready browser add-on. The extension architecture focuses on project templates and best practices, allowing you to deploy functional extensions using standard browser APIs.

Can I use this approach to build a content blocker for Chrome using manifest v3?▼

Yes, you can build a content blocker for Chrome using manifest v3. The provided templates guide you in implementing compliant manifest files and cross-browser APIs for smooth deployment and upgrade processes.

What is the best way to structure a browser extension for smooth deployment and upgrades?▼

The best way to structure a browser extension for smooth deployment is to use scalable templates with manifest v3 compliance. This ensures proper separation of content scripts and background services for maintainable upgrades.

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