browser-extension-skills

Generate and manage all Chrome extension assets: icons (16–128px), CWS listing images, promotional tiles, and public/ folder setup. Supports ImageMagick, Gemini API, and manual prompt templates.

Build polished Chrome extension UIs (popup/sidepanel/options). Analyze existing UI, suggest improvements, set up design systems, enforce a11y and UX best practices.

Scan extension source code for Chrome Web Store rejection risks. Generates report with issues, root causes, and fixes. Use when: review, pre-submit, rejection, CWS compliance, store review.

Build backend APIs for Chrome extensions. NestJS + MongoDB (Mongoose) recommended stack. Auth, webhooks, license verification, CORS. Use when: backend, API, server, database, license, webhook.

Integrate payment gateways into Chrome extensions. Stripe, Paddle, Lemon Squeezy, Polar, PayPal, and more. Licensing, subscriptions, freemium. Use when: payment, monetize, subscribe, billing, premium.

Detect Chrome extension framework/stack, find proper docs, implement features, and debug across service worker, content script, and popup contexts.

Auto-scaffold Chrome extensions with WXT or Plasmo. Ask user for name/features, scaffold, configure entrypoints. Use when: create extension, scaffold, new extension.

Audit Chrome extensions for security issues, best practice violations, performance problems, and CWS compliance. Scans manifest, code, CSP, message handlers, storage, and dependencies.

Generate and validate manifest.json with optimal permissions for Chrome MV3 extensions. Analyzes code to determine minimum permissions. Use when: manifest, permissions, manifest.json.

Migrate Chrome extensions from MV2 to MV3. Service workers, declarativeNetRequest, API replacements. Use when: migrate, mv2, mv3, manifest v2.

Prepare, submit, and optimize Chrome Web Store listings. Covers workflow, checklist, rejection reasons, listing optimization, and CI/CD automation.

Set up and run unit, integration, and E2E tests for Chrome extensions. Covers Jest mocks for chrome.* APIs and Puppeteer E2E with real Chrome.