browser-extension - Build Manifest v3 Browser Extensions
Build browser extensions with Manifest v3, Service Worker persistence, Side Panel API, and cross-browser compatibility
Tags
Updated: 2026-03-10Capabilities
Typical Inputs
Typical Outputs
What this skill does
- create manifest.json file
- build service worker
- implement side panel
- write content scripts
- create popup interface
- implement alarms API
- use offscreen API
- store data in IndexedDB
- access chrome.storage API
- read project files
- write project files
- run audit scripts
Inputs
- project files
- manifest.json
- source code files
- extension assets
- browser APIs
- storage database
Outputs
- browser extension package
- manifest.json file
- service worker script
- content scripts
- popup interface
- side panel interface
- storage state
- audit reports
Requirements
- Manifest v3 compliance
- Service Worker environment
- chrome.storage or IndexedDB
- browser extension APIs
- minimum permissions