Can the feature "Copy to Clipboard" be scripted in Mechanical ?
This uses an undocumented / unsupported API, so use at your own risk, but it can be done with the following:
import context_menu context_menu.DoCopyToClipboard(ExtAPI)
Similarly, "Paste from clipboard" can be scripted with:
import context_menu context_menu.DoPasteFromClipboard(ExtAPI)