Polarity
Polarity is the most accurate eval infrastructure for AI agents. Keystone runs each agent task inside an isolated Docker sandbox preloaded with real backing services (Postgres, Redis, S3), scores runs against behavioral invariants and forbidden rules, measures non-determinism via replicas, and ships...
Added May 18, 2026
· Last analysed May 18, 2026 · via 
· 57% 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 18 May 2026; the live site may have changed since.
Polarity scores highly overall, with complete legal pages, a thorough launch checklist, and well-configured email security. Visible gaps: missing several security headers and tracking cookies set before any opt-in.
Launched on Product Hunt on May 18, 2026. The site is hosted on Vercel, with a domain registered 4 months before launch. We've detected 14 technologies on this site, covering analytics, sales intelligence, advertising, and CSS frameworks. The stack includes Next.js, React, and Tailwind CSS.
It's on one of the most common stacks we track, shared by 10,677 launches.
If you own this site, refresh the snapshot and see the full fix list any time →
Tech Stack (14)
| DNS |
Cloudflare DNS
|
| Hosting |
Vercel
|
| Security | HSTS |
| Business email |
Google Workspace
(3)
|
| CSS framework |
Tailwind CSS
|
| Framework |
React
|
| Meta-framework |
Next.js
(2)
|
| UI library |
shadcn/ui
|
| Advertising |
Google Ads
(3)
|
| Analytics |
Google Analytics
(3)
|
PostHog
(4)
|
|
| Tag management |
Google Tag Manager
|
Infrastructure
Email Security
Storage (20)
| Name | Lifetime | Detected as |
|---|---|---|
| ph_phc_6lWkwADCGG7rTe6BMeQrQPWJtlb321JoCuHazBHN2t6_posthog | 1y | PostHog |
| snitcher_device_id | 1y | Snitcher |
| _ga | 1y | Google Analytics |
| _ga_5BFYD3W20G | 1y | Google Analytics |
| _gcl_au | 3mo | Google Ads |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_6lWkwADCGG7rTe6BMeQrQPWJtlb321JoCuHazBHN2t6_posthog | 2.6 KB | PostHog |
| polarity-home-theme | 4 B | - |
| snitcher_device_id | 36 B | Snitcher |
| snitcher_device_id_expires | 13 B | Snitcher |
| snitcher_session | 254 B | - |
| snitcher_session_expires | 13 B | Snitcher |
| _gcl_ls | 152 B | Google Ads |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_6lWkwADCGG7rTe6BMeQrQPWJtlb321JoCuHazBHN2t6_posthog | 90 B | PostHog |
| ph_phc_6lWkwADCGG7rTe6BMeQrQPWJtlb321JoCuHazBHN2t6_primary_window_exists | 4 B | PostHog |
| ph_phc_6lWkwADCGG7rTe6BMeQrQPWJtlb321JoCuHazBHN2t6_window_id | 38 B | PostHog |
| radar_sn_de | 121 B | Vector |
| radar_sn_ped | 122 B | Vector |
| radar_sn_rs | 122 B | Vector |
| radar_sn_sg | 121 B | Vector |
| radar_sn_sh | 121 B | Vector |
Readiness Breakdown How?
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI palette signals | +5 |
| AI writing 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.