Full-stack starters · Rank #11
Extro (browser extension starter)
Open source browser extension starter kit 🧩
Why this verdict
- 2 commits in the last 90 days, none in the last 30.
- Vercel AI SDK 4 declared; latest is 7 (3 majors behind).
- On current major: React, Supabase JS, Tailwind CSS, Zod.
- Not counted in verdict: TypeScript 6 → 7.
Check before you commit
- Two or more breaking releases behind on a core dependency.
Dependency freshness
| Package | Declared | Latest | Status |
|---|---|---|---|
| Vercel AI SDK ai | 4.3.19 | 7.0.116 | 3 majors behind |
| TypeScript typescript | 6.0.3 | 7.0.2 | Behind, not counted |
| React react | 19.2.7 | 19.3.0 | Current |
| Supabase JS @supabase/supabase-js | 2.108.1 | 2.117.2 | Current |
| Tailwind CSS tailwindcss | 4.3.1 | 4.3.3 | Current |
| Zod zod | 4.4.3 | 4.6.5 | Current |
Declared = lowest version the kit's package.json allows. Latest = npm "latest" tag. TypeScript and the Stripe SDK are shown but not counted in the verdict.
What's in the stack
- Database / ORM
- Supabase
- API layer
- TanStack Query
Detected from declared dependencies. A listed package means it's installed, not necessarily fully wired up.
What the README says you get
- AnalyticsAnalytics tracking
📊 Analytics
- AuthOAuth authentication
🔐 Authentication (OAuth)
- DataStorage management
💾 Storage
- DeployOne-click publishing
🚀 One-click publishing
- DeployCI/CD pipelines
🔄 CI/CD pipelines
- i18nInternationalization
🌍 Internationalization
- UIAll extension pages
📄 All pages (background, popup, options etc.)
- UIContent scripts UI
📜 Content scripts (UI)
- UIMessaging system
💬 Messaging
- UIshadcn/ui components
🎨 shadcn/ui compatible
Extracted from the kit's README by a local AI model (qwen3.5:4b) on Sep 26, 2026. Every item is checked against an exact README quote. A README claim is the maker's description, not something we tested.
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