Well, the idea is nice but it seems AppleScript doesn't work as intended. I have this script that returns the URL in the front most window of Brave Browser:
tell application id "com.brave.Browser"
return the URL of the active tab of the front window
end tell
The result is a proper URL (tested in script editor), but in Ghostnote it won't show up.
What I also don't like is that there is no info about the developer, nor any contact info AND only support via discuss. Not very professional.
Another thing that really annoys me is: whenever I have Safari open and switch an app, the debugger window comes up all the time with the title "Ghostnote2 - JSContext".
5 stars for the idea, half star for the implementation, gives 2.5 stars - which actually is better than the overall rating here ;-)