You should use this https://github.com/HaJaeKyung/KittyExtension It's way better and up to date :D
Features:
- Show cattributes on any cat grid
- Each cattribute record now shows a number of cats with this attribute in the system (Data is not live and updated in real time).
- ...
My ETH address: 0x6493B38836F508C6d51c89451509B3c9E4c2B22d