I'm not sure I understand.
Do you want to write a script that given a hostname, opens WinSCP will all stored sites that use that hostname?

Hey. I would like to automate my work.
To do this, I need to automatically connect to the saved session on a command from the browser.
For example. I have a saved session for the site.
I want to make a script that will search the saved session sessions with the same name as the site's domain and connect to it. This is possible?