Alternatively, you could write a plugin to make them available for yourself though.
I saw this old mail https://www.paraview.org/pipermail/paraview/2016-November/038661.html#:~:text=In%20the%20past%2C%20I%20have,for%20information%20about%20ParaView%20plugins (but the how to link is dead)
and this post from you when I was looking for how to do it.
ideally something in python?