iSpawners stores mob drops in a dedicated GUI for each spawner, with similar functionality to the DonutSMP spawners.
Each spawner collects mob drops and XP which can be collected either via the spawner storage menu or the spawned mob's head button Spawners can be stacked to increase the yield of the drops and xp
Default config:
Commands: /iSpawners
/iSpawners about
/iSpawners setspawnerstack
/iSpawners givespawner <spawnertype>