glc PromptGuard

Stop prompt injection before it reaches your AI agent

Developer Tools

Estimated origin: Hungary

Added August 12, 2026 · Last analysed August 12, 2026 · via

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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 12 August 2026; the live site may have changed since.

glc PromptGuard is early-stage. What needs work: missing several security headers, no robots.txt or sitemap, and incomplete email security.

Launched on Product Hunt on August 12, 2026. The site is hosted on Contabo GmbH in Germany. We've detected 1 technology on this site, covering servers. The stack includes nginx.

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

3.3

StackScope Score

Poor

41/100 Launch Readiness

Partially ready

0/6 Security Headers

Poor

3/3 Legal

Complete

0/2 Crawl files

Missing

100/100 Performance

Fast

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 (1)

Infrastructure

Server	nginx

Infrastructure

Network

CONTABO - Contabo GmbH, DE

AS51167 · DE

DNSSEC

Not enabled

DNS responses unsigned. Cache-poisoning vulnerable.

Green hosting

Not green hosted

No green-energy record. Data from The Green Web Foundation.

SSL Certificate

Let's Encrypt

Valid 24 Jul 2026 to 22 Oct 2026

Certificate as captured in this snapshot, not a live check.

Email Security

✓

SPF ~all (via apex glc-rag.hu) Soft-fail (~all). Common and accepted.

DKIM Not detected at common selectors. Your provider may use a custom one.

✗

DMARC p=none (via apex glc-rag.hu) 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.

Storage (0)

This site uses no client-side storage we could detect on page load.

Readiness Breakdown How?

⚠

Custom title and meta description (partial) missing meta description

✓ Responsive viewport meta tag

✓ Semantic HTML (nav, main, article)

- Open Graph tags (title, image, description)

- Canonical URL declared

- Twitter card meta tags

- Favicon present

Performance How?

362 ms Server response

44% Faster than peers

320 ms Largest contentful paint

0.00 Cumulative layout shift

18 KB Page weight

0 Console errors

0 Failed requests

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 writing 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

Content-Signal

? No directive declared

Link headers

? None advertised

Well-Known Files

✗ robots.txt

✗ sitemap.xml

✗ security.txt

✓ llms.txt

✗ ads.txt

✗ humans.txt

Legal

✓ Privacy Policy

/legal/privacy

✓ Terms of Service

/legal/terms

96% unique

Mentions:

GDPR Data Controller DPO

Security Headers (0/6)

✗

Referrer-Policy

✗

X-Frame-Options

✗

Permissions-Policy experimental (check browser support)

✗

X-Content-Type-Options

✗

Content-Security-Policy

✗

Strict-Transport-Security

–

X-XSS-Protection deprecated (use Content-Security-Policy)

Build

0 JS files

1 CSS files

0 Third-party domains

Brand Colours

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