A menu-bar reply on the Mac, in the app you already have open.
If your AI is integrated with your email, chat, or notes, paisty works for you. Click the mark. The reply is copied. You paste it and you send it. paisty does not connect to your systems or retain any data. That is your model's job.
It reads the front window, including text scrolled out of view when the app exposes it. Password fields are skipped. A reply that promises work, or invents steps the page does not list, is rewritten.