How to protect natural nails while climbing?

My natural nails get pretty scuffed up while climbing. There are visible scratch marks after I climb and my nails have been getting noticeably thinner and break much more easily. I don’t paint them and keep them short and trimmed regularly, but they still break and tear on occasion. What do you guys do to protect your nails? Clear nail polish? It seems like a hassle to reapply after it gets scratched off