chrome-extension-expert

Guided debugging for common Chrome Extension issues including service worker, message passing, content script, and storage problems

Create a new Chrome Extension project structure with Manifest V3, complete file setup, and optional TypeScript/build configuration

Generate a comprehensive Chrome Web Store submission checklist for your extension, including policy compliance and required assets

Validate a Chrome Extension manifest.json for Manifest V3 compliance, required fields, and store submission readiness

Chrome Extension architecture and design specialist. Use PROACTIVELY for extension architecture planning, component structure decisions, permission strategies, state management patterns, and inter-component communication design. Ideal for planning new extensions or restructuring existing ones.

Chrome Extension debugging and troubleshooting specialist. Use for diagnosing service worker issues, message passing failures, content script problems, storage debugging, and performance analysis. Expert in Chrome DevTools for extensions.

Chrome Extension implementation specialist. Use for writing extension code, Manifest V3 configuration, API integration, build setup, and TypeScript configuration. Handles service workers, content scripts, popup UI, side panels, and all Chrome Extension APIs.

Chrome Extension code review and best practices specialist. Use for code quality review, security vulnerability detection, permission audits, performance review, and Manifest V3 compliance verification. Ensures extensions follow Chrome's guidelines.

Chrome Web Store submission and compliance specialist. Use for store listing optimization, policy compliance review, permission justification writing, privacy policy guidance, rejection troubleshooting, and publishing strategy. Expert in getting extensions approved.

Inter-component messaging patterns for Chrome Extensions covering background ↔ content script ↔ popup ↔ side panel communication, ports, message passing, state synchronization, and error handling. Essential for multi-component extensions.

Comprehensive debugging guide for Chrome Extensions covering DevTools usage, service worker inspection, content script debugging, storage inspection, network analysis, performance profiling, and common error solutions. Use when troubleshooting extension issues.

Chrome Extension APIs reference covering runtime, storage, tabs, scripting, action, alarms, notifications, contextMenus, sidePanel, offscreen, and identity APIs. Use when implementing Chrome extension functionality.

Comprehensive Manifest V3 reference covering manifest.json structure, all fields, service workers, content scripts, permissions, CSP, icons, and side panel configuration. Use when creating or modifying Chrome Extension manifests.

Manifest V2 to V3 migration guide covering background page to service worker, API changes, webRequest to declarativeNetRequest, remote code removal, executeScript changes, and persistence patterns. Use when upgrading extensions to Manifest V3.

Security best practices for Chrome Extensions covering principle of least privilege, CSP configuration, XSS prevention, secure messaging, safe DOM manipulation, data protection, and permission strategies. Essential for building secure extensions.

Side Panel development patterns for Chrome Extensions covering manifest configuration, chrome.sidePanel API, programmatic control, per-tab vs global panels, lifecycle management, and communication patterns. Use when building side panel features.

Chrome Web Store guidelines and requirements covering Developer Program Policies, single purpose requirement, permission justifications, privacy policy, branding, screenshots, common rejection reasons, and appeal process. Essential for successful store submission.

UI patterns for Chrome Extension interfaces covering popup design, options pages, side panel layouts, responsive design, dark mode, accessibility, form handling, and navigation patterns. Use when designing extension user interfaces.