AutoTotem+

Fabric mod for automatic totem equipping, 140k+ downloads

Keeps a Totem of Undying in your offhand at all times, swapping one in automatically the moment it breaks. The tricky part was doing this without the server flagging it as cheating — it mirrors vanilla's own slot-swap packets instead of teleporting the item in, so anti-cheat plugins see nothing unusual. Earlier versions had a nasty ghost-totem bug and could get stuck cycling your hotbar forever. I rewrote the whole thing around a proper state machine (IDLE → SWAP_IN → EQUIP → RESTORE) with correct slot index mapping, which fixed both issues for good.