Prove
From Flexible Survival
This is intended to be a non-exhaustive list of things you can +prove, remember that if you want to check only for yourself use +prove/silent [variable] otherwise everyone in the room sees the output.
Stats:
+prove hp Hit points.
+prove energy #unclear (This one doesn't seem to reflect your character's energy.)
+prove hero Remaining Hero points
+prove patrol #unclear
Misc:
+prove web mission goal Length of web mission (needs clarification).
+gear/prove N Where N is the item number in your inventory.