/nick — Customise your in-game name

/anvil, /cartography, /workbench

/grindstone, /loom, /stonecutter, /smithing
Open all vanilla workstations remotely

/hat — Wear any item on your head
Places the held item into your head slot

/localtime — Change your local time
Client-only; does not change the server time

/localweather — Change your local weather
Client-only; does not change the server weather

/smelt — Instantly smelt items for XP
Bulk-smelts stacks instantly and grants furnace XP

/feed — Refill your hunger instantly

/feedauto — Automatic hunger replenishment
Works like an eternal steak / backpack feeder upgrade

/fly — Survival flight
Toggles creative flight; disabled if you take damage from hostiles

/repair — Repair the item in your hand

/enchantingtable — Open a maxed enchanting table
Opens with max Eterna, Quanta, and Arcana

/biomertp — Teleport to a biome nearby
Teleports to any biome in your current dimension; unavailable in some dimensions

/mobspawn — Spawn vanilla mobs from a menu
Vanilla mobs only; spawned mobs cannot be used to level up skills

/enchantmenu — Apply enchantments
Opens a menu to apply valid enchants; each enchant costs XP based on type and level

/playersize — Adjust your player size
Visual size only; does not scale damage or other stats

/prefix — Customise your in-game prefix