Dorso by Gabriel Ong

Dorso is a client-sided browser extension that monitors web activity and forces users to correctly answer a random programming question before allowing them access to their AI chatbot of choice for the next 15 minutes.

Dorso checks for web-based AI chatbot access off the following blacklist.

https://chatgpt.com/
https://www.perplexity.ai/
https://gemini.google.com/app
https://claude.ai/
https://www.deepseek.com/
https://copilot.microsoft.com/
https://socrat.ai/
https://huggingface.co/chat/
https://writesonic.com/chat
https://you.com/
https://www.jasper.ai/