MauroPello/stop-the-slop: Spot AI-generated YouTube scripts

Mauro Pello released Stop the Slop, an open-source browser extension that analyzes YouTube video transcripts to flag AI-generated scripts and robotic narration, displaying AI probability ratings on thumbnails and in-player controls. Available for Chrome, Brave, Edge, and Firefox, the extension uses a Cloudflare Worker API and local caching, with zero personal data tracking, and is licensed under the MIT License.

AI Script Detector for YouTube: An open-source browser extension that analyzes YouTube video transcripts to flag AI-generated scripts and robotic narration. Chrome Web Store: Install for Chrome, Brave and Edge https://chromewebstore.google.com/detail/stop-the-slop-%E2%80%94-ai-script/afifehnicpeokjjhpbicikfoalkemelg Firefox Add-ons: Install for Firefox https://addons.mozilla.org/en-US/firefox/addon/stop-the-slop-ai-video-detect/ Project Website: https://mauropello.github.io/stop-the-slop/ https://mauropello.github.io/stop-the-slop/ Privacy Policy: https://mauropello.github.io/stop-the-slop/privacy.html https://mauropello.github.io/stop-the-slop/privacy.html Product Hunt: Stop the Slop on Product Hunt https://www.producthunt.com/products/stop-the-slop-2 : Community launch discussion and feedback. AlternativeTo: Stop the Slop on AlternativeTo https://alternativeto.net/software/stop-the-slop/about/ : Directory listing and open-source reviews. SourceForge: Stop the Slop on SourceForge https://sourceforge.net/projects/stop-the-slop/ : Open-source mirror. Peerlist: Stop the Slop on Peerlist https://peerlist.io/mpellonara/project/stop-the-slop : Project timeline and updates. DEV Community: How I Built an Open-Source Browser Extension to Detect AI Slop on YouTube https://dev.to/mpellonara/how-i-built-an-open-source-browser-extension-to-detect-ai-slop-on-youtube-2pc1 : Architecture writeup. Thumbnail AI Badges: Displays AI probability ratings directly on video thumbnails across YouTube feeds before clicking. In-Player Controls Badge: Shows a native AI probability pill alongside the bottom-right video player controls subtitles, settings, fullscreen with an interactive verdict popover. In-Player Detection: Probability score gauge and sentence breakdown in the extension popup. Sentence Breakdown: Highlights specific sentences that triggered repetitive phrasing or AI markers. Local & Edge Caching: Caches evaluated videos to deliver fast verdicts without redundant network requests. Privacy-First: Zero personal data tracking, no analytics cookies, and no account required. Adaptive Dark / Light Theme: Matches YouTube's theme automatically. ├── docs/ GitHub Pages website and Privacy Policy │ ├── index.html Landing page with interactive demo │ ├── privacy.html Privacy policy │ ├── style.css Stylesheet and UI tokens │ ├── app.js Client-side scripts │ └── icons/ App icons and assets ├── extension-chrome/ Chrome / Chromium Manifest V3 extension ├── extension-firefox/ Mozilla Firefox Manifest V3 extension └── worker/ Cloudflare Worker API - Clone this repository: git clone https://github.com/MauroPello/stop-the-slop.git - Open chrome://extensions in your browser. - Enable Developer mode top-right toggle . - Click Load unpacked and select the extension-chrome directory. - Open any YouTube video with captions to test. - Open about:debugging /runtime/this-firefox in Firefox. - Click Load Temporary Add-on... . - Select extension-firefox/manifest.json . See Privacy Policy https://mauropello.github.io/stop-the-slop/privacy.html for details on permissions tabs , storage , scripting , https://www.youtube.com/ . This project is licensed under the MIT License /MauroPello/stop-the-slop/blob/main/LICENSE .