there are servers which use antixray, so normal xray doesn't really work. Adding something to bypass this would be great, Cracking seed is pretty easy with mod SeedCrackerX https://github.com/19MisterX98/SeedcrackerX
I got This idea of xray using seed by https://github.com/19MisterX98/DiamondSim This mod is not updated so It's only works in 1.16. adding this to the client would be a great feature.