Does your feline have discerning taste and enjoy second breakfasts? If so, you need to upgrade the litter box to a Hobbit Hole. It’s not a real product yet, but it wouldn’t be the only Hobbit structure made for animals – remember these chicken coops?
IF Industries posted the design, and I imagine that the mossy roof would come right off so you could get in to scoop. You could probably use real grass and moss on the entire structure, too. Your cat will be in heaven. If the meowing starts to sound like “my preciousss” though, it’s a good idea to leave the house immediately.