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

> Source: <https://github.com/MauroPello/stop-the-slop>
> Published: 2026-09-04 04:06:05+00:00

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).