No, for several reasons. Mage Hand is mostly limited to one object. All of the descriptors of mage hand, even disarming traps and picking locks, only refer to one object. Even loading one crossbow would require the manipulation of two objects: the bolt and the crossbow itself.
Can a mage hand hold a shield?
You can use your action to control the hand. So you would need to use your action each turn to Ready the hand against the first attack made against you. This only allows you to move and use any bonus action you may get. A shield held in your hand does this for free against all attacks.
What can you do with the Mage hand?
You can use your action to control the hand. You can use the hand to manipulate an object, open an unlocked door or container, stow or retrieve an item from an open container, or pour the contents out of a vial. You can move the hand up to 30 feet each time you use it.
Can a mage hand grab an object from another creature?
If the specific rules 2 for Mage Hand Legerdemain have to call out the ability to stow and retrieve objects from other people, then clearly the intent of the general case is that Mage Hand alone cannot manipulate objects in another creature’s possession.
Is there a caveat to Mage hand legerdemain?
2It may be worth noting that Mage Hand Legerdemain does not have the caveat of “open container” that Mage Hand does, another advantage that an Arcane Trickster has over a Wizard. The ability check for Mage Hand Legerdemain is to do the task without being noticed, not to do the task at all.
Can you use disarming attack1 on Mage hand?
Disarming Attack1 is a special ability available to Battle Master Fighters or characters who take Martial Adept ( PHB p168). Either way, it requires hitting the opponent with a weapon attack. Mage Hand cannot make attacks and is also not a weapon, so that’s out.
