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AI · June 14, 2025

CountermarkAI – Protect your website from AI Bots

Hi HN, I built CountermarkAI, a lightweight anti-scraping & bot-detection tool for content creators and website owners. It’s designed to help protect your work from unauthorized scraping and AI training, that repurposed your work without permission. How It Works: Use Hashtag – Creators add a unique hashtag to their content as a declaration of ownership. Protect Website – For those running your own sites, simply add a small snippet to your . The protect.js script works asynchronously by sending metadata from every page load back to our servers, logging requests, and flagging known AI-training…

CountermarkAI – Protect your website from AI Bots launched on June 14, 2025 with 7 votes, #3,918 of 7,999 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.

What it does

CountermarkAI - Protect your website from AI bot scraping/training

Become a member by using this hashtag in your content copy #countermarkAI Add this snippet to your website’s < head > copy < head > < meta name = "robots" content = "countermarkai, noai, noimageai" > < script async src = "https://countermarkai.com/protect.js" ></ script > < noscript > < img src = "https://countermarkai.com/ your-domain.com /track.png" /> </ noscript > < head > AND Add this entries to your website’s robots.txt ... User-agent: OAI-SearchBot Disallow: / User-agent: ChatGPT-User Disallow: / User-agent: CCBot Disallow: / User-agent: GPTBot Disallow: / User-agent: Google-Extended Disallow: / User-agent: Google-CloudVertexBot Disallow: / User-agent: Applebot-Extended Disallow: /…from countermarkai.com

In the maker’s words, at launch

Hi HN, I built CountermarkAI, a lightweight anti-scraping & bot-detection tool for content creators and website owners. It’s designed to help protect your work from unauthorized scraping and AI training, that repurposed your work without permission. How It Works: Use Hashtag – Creators add a unique hashtag to their…

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