Remove entities command - re
Clear hostile mobs - h or -hostile
Clear all - a or -all
Clear items - i or -item
Clear living - l or -living
Clear XP orbs - x or -xp
Clear passive mobs - p or -passive
Don't clear named mobs - n or -named
Clear animals - m or -animal
Remove a specific type of entity - e
Force garbage collection command - forcegc or forcegarbagecollection
Laggy chunks command - laggychunks or lc
Locate chunks with lots of entities - entities or e
Locate chunks with lost of tiles - tiles or t
Whitelist command - clwhitelist or cwl
Whitelists the item in mainhand or specified id.
Unload chunks command - unloadchunks or uc