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Codex Limits

Your Codex limits. Always in sight.

Developer Tools

Added July 21, 2026 · Last analysed July 21, 2026 · via · 71% unique tagline

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Screenshot of Codex Limits

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 21 July 2026; the live site may have changed since.

Codex Limits is early-stage. Main gaps: missing several security headers, incomplete legal pages, and no robots.txt or sitemap.

Launched on Product Hunt on July 21, 2026. The site is hosted on Vercel. We've detected 5 technologies on this site, covering frameworks, hosting, javascript library, and meta-frameworks. The stack includes Next.js, React, and HSTS.

It's on one of the most common stacks we track, shared by 2,423 launches.

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

3.0
StackScope Score
Poor
88/100 Launch Readiness
Launch ready
1/6 Security Headers
Poor
0/3 Legal
Missing
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 (5)

Infrastructure
Hosting Vercel
Security HSTS
Build & Framework
Framework React
JavaScript library Lenis
Meta-framework Next.js (5)

Infrastructure

Network
AMAZON-02 - Amazon.com, Inc., US
AS16509 · US
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
Google Trust Services
Valid 28 Jun 2026 to 26 Sep 2026
Certificate as captured in this snapshot, not a live check.

Email Security

✗
SPF Not published. Your domain can be spoofed in phishing emails.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
✗
DMARC Not published. Receivers fall back to permissive defaults.
?
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
✓ Open Graph tags (title, image, description)
✓ Twitter card meta tags
✓ Responsive viewport meta tag
✓ Favicon present
✓ Semantic HTML (nav, main, article)
- Canonical URL declared

Performance How?

469 ms Server response
38% Faster than peers
660 ms Largest contentful paint
0.00 Cumulative layout shift
249 KB Page weight
7 KB Image weight
1 Third-party domains
0 Console errors
0 Failed requests

⚠ 3 images: 2 missing alt text

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?

SignalPoints
AI palette 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

No AI stance declared
✗ 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 not detected
? Terms of Service not detected
Detection works best on English language sites.

Security Headers (1/6)

✗
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

✓ Code splitting
8 JS files
2 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.