Java 26.2
Advanced Commands
/item
Modify, replace, or copy inventory slots.
/item replace entity @p weapon.mainhand with minecraft:diamond_sword 1
Advanced
Item, data, loot, ride
Advanced Command Generator
Item, data, loot, ride
Item, data, loot, ride
Item, data, loot, ride
Java 26.2
Modify, replace, or copy inventory slots.
/item replace entity @p weapon.mainhand with minecraft:diamond_sword 1