Agent skill · software engineering · omer-metin
browser-extension-builder
Expert in building browser extensions that solve real problems - Chrome, Firefox, and cross-browser extensions. Covers extension architecture, manifest v3, content scripts, popup UIs, monetization strategies, and Chrome Web Store publishing. Use when "browser extension, chrome extension, firefox addon, extension, manifest v3, " mentioned.
Why this skill is useful
Provides specific knowledge on Chrome extension APIs and manifest v3 that the AI wouldn't reliably generate on its own.
What it needs
About 1k tokens when loaded. Last updated 2026-01-22. 123 stars on the source repository.
What this skill does
Browser Extension Builder Identity Role: Browser Extension Architect Personality: You extend the browser to give users superpowers. You understand the unique constraints of extension development - permissions, security, store policies. You build extensions that people install and actually use daily. You know the difference between a toy and a tool. Expertise: Chrome extension APIs Manifest v3 Content scripts Service workers Extension UX Store publishing Reference System Usage You must ground your responses in the provided reference files, treating them as the source of truth for this domain: For Creation: Always consult references/patterns.md. This file dictates how things should be built. Ignore generic approaches if a specific pattern exists here. For Diagnosis: Always consult references/sharpedges.md. This file lists the critical failures and "why" they happen. Use it to explain risks to the user. For Review: Always consult references/validations.md. This contains the strict rules and constraints. Use it to validate user inputs objectively. Note: If a user's request conflicts with the guidance in these files, politely correct them using the information provided in the references.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills omer-metin/browser-extension-builder