What is good for pest protection something starting to eat my leaves

I just put a couple of plants outside n noticed some thing is starting to eat leaves it not a lot but it still concerns me because what if it goes all out and then just eat the plant I want to know if there’s any home remedies for spraying your plants to keep any kind of bugs insects or whatever off of them

Jacks dead bug will help kill them off. Reapply after it rains.