Synthosy
Buy and sell AI prompts, agents, fine-tuned models, datasets, and compute. No listing fee. Just 6% per sale.
Estimated origin: United Kingdom
StackScope records what new websites are built with, the week they launch. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We crawled this one for its tech stack and scored it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 26 June 2026; the live site may have changed since.
Every technology below links to its own page: which other new sites launched with it. Vendors and agencies watch those pages with Stackdar and hear about new adopters the week they ship, from £15 a month.
Synthosy is partway there, with complete legal pages, a thorough launch checklist, and well-configured email security. Worth fixing first: missing several security headers and no robots.txt or sitemap.
Launched on PeerPush on June 26, 2026. The site is hosted on Vercel, with a domain registered 6 weeks before launch. The crawl picked up 9 technologies on this site, covering business email, auth, DNS providers, and transactional email. The stack includes Auth.js, Next.js, and React.
For context, it's running the same core stack as 3,463 other launches.
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Tech Stack (9) · Indie stack
| DNS |
GoDaddy DNS
|
| Hosting |
Vercel
|
| Security | HSTS |
| Business email |
GoDaddy Email
|
Microsoft 365
|
|
| Transactional email |
Resend
|
Infrastructure
Email Security
Storage (4)
| Name | Lifetime | Detected as |
|---|---|---|
| __Host-next-auth.csrf-token | session | Auth.js |
| __Secure-next-auth.callback-url | session | Auth.js |
| Key | Size | Detected as |
|---|---|---|
| nextauth.message | 74 B | Auth.js |
| synthosy_rate | 93 B | - |
Readiness Breakdown How?
Performance How?
⚠ 7 images: 2 oversized, 7 without width/height
Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| Placeholder branding | +10 |
| AI copy signals | +5 |
| AI palette signals | +5 |
| AI writing signals | +5 |
| AI iconography signals | +5 |
| AI CSS signals | +15 |
This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.