Claude Watermark
Free tool to check whether your Claude or ChatGPT text carries detectable artifacts, and clean them. Straight answers on Anthropic's text watermark — what it is, which models carry it, and what actually removes it.
Added August 19, 2026
· Last analysed August 19, 2026 · via 
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 19 August 2026; the live site may have changed since.
Claude Watermark scores highly overall, with complete legal pages, a thorough launch checklist, and clean crawl signals. Main gaps: missing several security headers and no email security records.
Launched on Product Hunt on August 19, 2026. The site is hosted on Vercel and served through Cloudflare. The crawl picked up 22 technologies on this site, covering directory, analytics, security, and CDN. The stack includes Next.js, React, and Tailwind CSS.
For context, it's on one of the most common stacks we track, shared by 13,532 launches.
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Tech Stack (22)
| CDN |
Cloudflare
|
| DNS |
Vercel DNS
|
| Hosting |
Vercel
|
| Security |
Cloudflare Bot Management
|
| HSTS |
| CSS framework |
Tailwind CSS
|
| Framework |
React
|
| JavaScript library |
Nano Stores
|
| Meta-framework |
Next.js
(4)
|
| Analytics |
Datafast
(2)
|
Umami
(2)
|
|
Vercel Analytics
medium
|
|
| SEO |
Google Search Console
|
| Directory |
Dang.ai
|
Fazier
|
|
Nick Launches
|
|
Product Hunt
|
|
Startup Fame
|
|
TinyLaunch
|
|
ToolPilot
|
|
Turbo0
|
|
Twelve Tools
|
Infrastructure
Email Security
Storage (3)
| Name | Lifetime | Detected as |
|---|---|---|
| cw_attr | 2mo | - |
| cw_vid | 2mo | - |
| __cf_bm | < 1h | Cloudflare |
Readiness Breakdown How?
Performance How?
⚠ 73 images: 20 oversized, 1 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?
| 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.