The "Locks" mod updated to work with 1.20.1; includes all features of the original with full configurability, feature expansions and some bug fixes.
A display of all items found in the Locks Reforged mod.
This is what the tooltip looks like in-world. It can be disabled entirely client or server side, as well as configured more intricately if desired.
What the lockpicking mini-game looks like when the GUI is displayed.