Browser Extension Dev

Comprehensive end-to-end support for building, testing, and deploying cross-browser extensions across Firefox, Chrome, and Safari with modern patterns, WASM integration, and best practices.

by @arustydev 9 skills

Install

npx skillmds@latest add plugin:arustydev/browser-extension-dev

One command, no setup. In Claude Code it lands as a managed plugin you can enable, disable or remove with /plugin. On any other agent it installs the 9 skills into that agent's own folder.

Or inside Claude Code

In the Plugins tab, add this marketplace:

skillmds/skillmd
/plugin install arustydev-browser-extension-dev@skillmd

Adds the marketplace once; later plugins need the second line only.

Or install by hand

Download the plugin and unzip its skills/ folder into your agent's skills directory. Works with every agent, no CLI needed.

Download plugin Paths per agent

Just the markdown? SKILL.md files only.

This plugin

skills: 9
authors: 1

Published by a registry member. Review its skills before installing.

Skills in this plugin

▌
Browser Store Apis · arustydev
Reference for browser extension store APIs for querying extension info, checking compatibility, and tracking submission status

8 repo stars
▌
Extension Security · arustydev
Comprehensive security guide for browser extensions covering CSP, permissions, secure messaging, sandboxing, and threat mitigation

8 repo stars
▌
Manifest V3 Reference · arustydev
Complete reference for Manifest V3 browser extension development with cross-browser compatibility and migration guidance

8 repo stars
▌
Wxt Framework Patterns · arustydev
Comprehensive WXT browser extension framework patterns, security hardening rules, and cross-browser configuration

8 repo stars
▌
Extension Anti Patterns · arustydev
Common mistakes, performance pitfalls, and store rejection reasons in browser extension development

8 repo stars
▌
Extension Store Submission · arustydev
Complete guides for submitting browser extensions to Chrome Web Store, Firefox Add-ons, Safari App Store, and Edge Add-ons

8 repo stars
▌
Wasm Architecture Decision · arustydev
Decision framework for WebAssembly usage in browser extensions including loading patterns, architecture, and performance considerations

8 repo stars
▌
Wasm Extension Integration · arustydev
Guide for integrating WebAssembly modules into browser extensions using wasm-pack, wasm-bindgen, and cross-browser loading

8 repo stars
▌
Cross Browser Compatibility · arustydev
Browser API differences, polyfills, and feature detection for Firefox, Chrome, Safari, and Edge extensions

8 repo stars