CAT includes the following utilities, available from the Animation menu Animation - CAT submenu.
Rig Resizer scales all listed items, including rigs, associated objects (such as meshes), and animation frames by the specified percentage.
The Apply Max IK tool enables you to use the 3ds Max IK systems to animate CATRigs. You can use splines to control long tails, or HI/IK on digits to give a character’s fingers and toes IK controls.