browser-extension-builder

Design and implement MV3 browser extensions with content scripts, background workers, and popups.

8|Updated Mar 15, 2026
One-click install
npx skills add https://github.com/znarfm/anoGWAmo --skill browser-extension-builder-znarfm
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: browser-extension-builder
Source: https://github.com/znarfm/anoGWAmo/tree/main/.agents/skills/browser-extension-builder
Command: npx skills add https://github.com/znarfm/anoGWAmo --skill browser-extension-builder-znarfm

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Designing and implementing modern browser extensions is complex due to MV3 constraints, security, and store policies; this Skill provides a structured blueprint to guide development from architecture to distribution.

Core Features & Use Cases

  • Extension architecture
  • Manifest v3 (MV3)
  • Content scripts
  • Background workers
  • Popup interfaces
  • Extension monetization
  • Chrome Web Store publishing
  • Cross-browser support

Quick Start

Create a new extension scaffold using the provided structure and implement MV3 components in content, background, and popup.

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 browser extension with Manifest v3?

Building a browser extension with Manifest v3 requires structuring content scripts, background workers, and popup interfaces into a scalable project layout. This enforces clear permission considerations and modern MV3 architecture constraints for production readiness.

What is the best way to structure a cross-browser extension?

The best way to structure a cross-browser extension is using a standardized project scaffold that supports scalable patterns. This approach accommodates content scripts and background workers while addressing cross-browser publishing workflows.

How do I set up background workers and content scripts in MV3?

Setting up background workers and content scripts in MV3 involves applying a structured project layout. This provides a clear blueprint to implement service workers and inject scripts securely while navigating MV3 security constraints.

Does this extension scaffold support Chrome Web Store publishing and cross-browser workflows?

Yes, the scaffold supports Chrome Web Store publishing and cross-browser workflows. It guides development from initial architecture to final distribution, ensuring compliance with store policies and cross-browser compatibility.

Why does my Manifest v3 extension fail store policy checks?

An MV3 extension can fail store policy checks due to improper permission considerations or non-compliant architecture. Applying a structured blueprint ensures clear permission scoping and adherence to security requirements during extension development.