XSDR
Show HN: XSDR – Real-time event monitoring infrastructure for agents
Estimated origin: South Africa
StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 29 June 2026; the live site may have changed since.
XSDR is partway there, with complete legal pages and fast page loads. Main gaps: missing several security headers, no robots.txt or sitemap, and incomplete email security.
Launched on Hacker News on June 29, 2026. The site is hosted on Vercel and served through Cloudflare, with a domain registered 4 months before launch. The crawl picked up 13 technologies on this site, covering security, auth, CDN, and CSS frameworks. The stack includes Clerk, Next.js, and Tailwind CSS.
For context, it's one of just 15 launches we've crawled on this exact stack.
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Tech Stack (13)
| CDN |
Cloudflare
|
| DNS |
Vercel DNS
|
| Hosting |
Vercel
|
| Security |
Cloudflare Bot Management
|
| HSTS |
| Business email |
Google Workspace
(2)
|
| Auth |
Clerk
(3)
|
| CSS framework |
Tailwind CSS
|
| Developer tools |
Vite
|
| JavaScript library |
React Router
|
| Meta-framework |
Next.js
|
| UI library |
Lucide Icons
|
| SEO |
Google Search Console
|
Infrastructure
Email Security
Storage (6)
| Name | Lifetime | Detected as |
|---|---|---|
| _cfuvid | session | Cloudflare |
| __cf_bm | < 1h | Cloudflare |
| __client | 1y | Clerk |
| __client_uat | 1y | - |
| __client_uat_WlrkFbER | 1y | - |
| Key | Size | Detected as |
|---|---|---|
| __clerk_environment | 6.7 KB | Clerk |
Readiness Breakdown How?
Performance How?
⚠ 6 images: 4 oversized, 5 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 |
|---|---|
| AI CSS signals | +10 |
| AI copy signals | +5 |
| AI stack signals | +10 |
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.