Of course by modular nature of scope this could be used not just for smooth filter sweeps but for anything you like. If possible device should be connected in block like "Sequencer Midi Source Out --- Midi Parameter Smoother --- MINIMAX Midi in(or device by choice)" . Device could have just one knob controlling percent of smoothing. My english is still bad so hopefully someone will understand my points. Now I will also post some pictures now just for better explanation:
I can contribute in giving this simple GUI so developer can focus on doing that device(Photoshop native format but i can export in whatever you want).

So with smoothing knob we could make something from this:

In to something like this:

Or even this:

In case someone is wondering this is FL Studio automation lane but is is internal only and can be used for VST internal automation only. It does not have any effect in scope.This is just for better explanation of working system.