Is this skill compatible with Chrome Manifest V3?

Yes, all code snippets and patterns provided, including service workers and the scripting API, are specifically designed for Manifest V3 standards.

How does it handle data persistence?

The skill provides patterns for all storage areas: local (10MB limit), sync (cloud-synced), and session (cleared on restart).

Does it include messaging patterns between background and content scripts?

Absolutely. The skill covers both one-time messaging via runtime.sendMessage and long-lived connections using chrome.runtime.connect.

Can I use this for handling user authentication?

Yes, it provides implementation guidance for the chrome.identity API, including OAuth2 token retrieval and web authentication flows.

Does the skill cover the latest UI features like Side Panels?

Yes, it includes references for the chrome.sidePanel API, allowing you to create integrated sidebar experiences in the browser.

Chrome Extension API Expert

Name: Chrome Extension API Expert
Author: francanete

byfrancanete

Browser Automation

Streamlines Chrome Extension development with production-ready patterns for core APIs and Manifest V3 implementation.

About

The Chrome Extension API Expert skill is a comprehensive reference and implementation guide designed for developers building modern browser extensions. It provides standardized patterns for essential Manifest V3 features, including cross-component messaging, secure storage management, tab manipulation, and dynamic script injection. By offering pre-validated snippets for complex APIs like side panels, offscreen documents, and OAuth2 identity flows, this skill helps developers avoid common pitfalls and accelerate the delivery of robust, high-performance browser tools.

Key Features

Comprehensive Manifest V3 API coverage including runtime, storage, and tabs
Standardized patterns for background and content script messaging
UI component implementation for Side Panels, Alarms, and Context Menus
0 GitHub stars
Secure identity and OAuth2 authentication flow management
Dynamic scripting and CSS injection using the chrome.scripting API

Use Cases

Developing productivity extensions that synchronize user data across devices
Building automated web tools that require complex tab management and DOM scripting
Implementing modern extension UIs utilizing the Side Panel and Action APIs

About

Key Features

Comprehensive Manifest V3 API coverage including runtime, storage, and tabs
Standardized patterns for background and content script messaging
UI component implementation for Side Panels, Alarms, and Context Menus
0 GitHub stars
Secure identity and OAuth2 authentication flow management
Dynamic scripting and CSS injection using the chrome.scripting API

Use Cases

Developing productivity extensions that synchronize user data across devices
Building automated web tools that require complex tab management and DOM scripting
Implementing modern extension UIs utilizing the Side Panel and Action APIs