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Rails Agent

The fullstack agentic platform for Ruby on Rails. One gem install, docs-first build path, Playbooks, BYOK provider keys, test, deploy, and monitor.

Developer Tools

Added August 2, 2026 · Last analysed August 2, 2026 · via Hacker News

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

Rails Agent is partway there, with a thorough launch checklist, well-configured email security, and clean crawl signals. Visible gaps: missing several security headers and incomplete legal pages.

Launched on Hacker News on August 2, 2026. The site is hosted on Hetzner Online GmbH in Germany, with a domain registered 2 weeks before launch. The crawl picked up 12 technologies on this site, covering ui library, APIs, CSS frameworks, and DNS providers. The stack includes Next.js, React, and Tailwind CSS.

For context, it's on one of the most common stacks we track, shared by 4,517 launches.

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

Vibe Score 68 · Many 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 (12)

Infrastructure
DNS GoDaddy DNS
Protocol HTTP/3
Server Caddy
Email
Business email Zoho Mail (2)
Build & Framework
API Google APIs
CSS framework Tailwind CSS
Font Google Fonts
Framework React
Meta-framework Next.js (4)
UI library Lucide Icons
shadcn/ui
Business Tools
SaaS Zoho

Infrastructure

Network
AS24940 · DE
DNS
GoDaddy DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Green hosted
Host runs on renewable energy. Data from The Green Web Foundation.
SSL Certificate
Let's Encrypt
Valid 19 Jul 2026 to 17 Oct 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
14 days
Registered Jul 2026 · GoDaddy.com, LLC

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
DKIM Detected via known email provider
DMARC p=quarantine Quarantine (moderate)
?
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
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)
Page title is 62 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.
Meta description is 234 characters (advisory) Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear.

Performance How?

240 ms Server response
63% Faster than peers
624 ms Largest contentful paint
0.00 Cumulative layout shift
4.1 MB Page weight
2.8 MB Image weight
4 Third-party domains
0 Console errors
0 Failed requests

93 images: 3 oversized, 92 without width/height, 88 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 CSS signals +10
AI copy signals +5
AI onboarding signals +5
AI palette signals +5
AI writing signals +5
AI iconography signals +3
AI stack signals +10
AI typography signals +15
Default scaffold favicon +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.

AI Stance

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

Well-Known Files

robots.txt
sitemap.xml (304 URLs)
security.txt
llms.txt
ads.txt
humans.txt
? Privacy Policy not detected
? Terms of Service not detected
Detection works best on English language sites.

Security Headers (0/6)

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

Build

Code splitting
13 JS files
2 CSS files
4 Third-party domains

Brand Colours

App Manifest

Rails Agent
display: standalone 4 icons
theme #b4182d
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.