By Sega ChiefA small project I developed a while ago, this is a mod based on the infamous challenge-restriction run called Necrosis MO for FF7 that sets up unique conditions under which players must beat the game.
The set-up is this: Every character that joins the player's party starts with 9999HP and 999MP; however, all healing has been disabled in the game meaning that any damage you take or MP you expend is permanently lost. To beat the game, you'll need to carefully manage your resources and avoid wasteful MP expenditure or excessive damage. You have free access to all commands and equipment, but bear in mind some effects are now useless (Cure, for instance, will not heal). Sources to raise stats have also been disabled.
To install, extract the contents of the .zip and run the installer; specify the FF7/DATA folder of your game's installation. Remember to go into the installer's properties and unblock/run as admin if needed.
If you find any bugs or discover a means with which to recover HP/MP then let me know so I can make adjustments. Good luck!