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The Prompt Library

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Productivity

Added April 13, 2026 · Last analysed April 13, 2026 · via · 71% unique tagline

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 13 April 2026; the live site may have changed since.

The Prompt Library has the basics covered well, with complete legal pages, a thorough launch checklist, and clean crawl signals. Visible gaps: missing several security headers and incomplete email security.

Launched on Product Hunt on April 13, 2026. The site is hosted on Vercel, with a domain registered 3 days before launch. Our crawler found 7 technologies on this site, covering CSS frameworks, DNS providers, transactional email, and frameworks. The stack includes Next.js, React, and Tailwind CSS.

It's also on one of the most common stacks we track, shared by 10,672 launches.

If you own this site, refresh the snapshot and see the full fix list any time →

7.6
StackScope Score
Good
100/100 Launch Readiness
Launch ready
3/3 Legal
Complete
2/2 Crawl files
Complete
Vibe Score 5 · Few AI signals
How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (7)

Infrastructure
DNS Spaceship DNS
Hosting Vercel (2)
Security HSTS (2)
Email
Transactional email Mailjet (2)
Build & Framework
CSS framework Tailwind CSS
Framework React
Meta-framework Next.js (4)

Infrastructure

Network
AS16509 · US
DNS
Spaceship DNS
Authoritative nameserver
DNSSEC
Enabled
DNSKEY records published. DNS responses signed.
SSL Certificate
Let's Encrypt
Valid 10 Apr 2026 to 9 Jul 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
3 months
Registered Apr 2026 · Spaceship, Inc.

Email Security

SPF ?all Neutral (?all). Monitoring only, no enforcement.
DKIM Detected via known email provider
DMARC p=none None (p=none). Monitoring only.
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Readiness Breakdown How?

Custom title and meta description
Open Graph tags (title, image, description)
Twitter card meta tags
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)

Vibe Score Breakdown How?

SignalPoints
AI copy signals +5

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.

AI Stance

Welcomes AI crawlers
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (3 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy
Terms of Service
/terms
86% unique

Security Headers (1/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Performance

1110ms response time
Faster than 9% of sites
1 third-party domains loaded

Build

Code splitting
11 JS files
1 CSS files
1 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.