Not sure iff this helps, but there is a Find Note shortcut. I think you can probably get the markdown of the note and retrieve any tasks from that to use elsewhere.
A quick intro to App Shortcuts
App Shortcuts are ways to quickly get one or more tasks done in Agenda through the Shortcuts app. By combining multiple Agenda Shortcuts, optionally with those from other apps you can create and automate your workflows. From the simple opening of a specific note from the Home Screen of your iPad, triggering a new note after a double-tap on the back of your phone, to complex workflows that grab all the things you need to do today from different apps and creates a ne…