Not so sure I would do this. First I would be worried about tools disappearing on me. Second, I don’t like to leave tools outdoors for too long (winters can be brutal). But this could be a good build for the pool where I leave the poles, hoses, etc outside.
https://www.instructables.com/id/Build-a-Freestanding-Open-Tool-Shed-As-a-Self-isol/