Admin Commands:

+ /spawnmob <mob> [amount] [nbt] - Spawn Mobs where you are Looking
+ /spawnmobxyz <mob> <amount> <x> <y> <z> [nbt] - Spawn Mobs at specific Coordinates

Permissions:

+ simplespawnmob.admin (Default: false) - Allow use of all SimpleSpawnMob Commands
+ simplespawnmob.spawnmob (Default: false) - Allows use of the SpawnMob Command
+ simplespawnmob.spawnmobxyz (Default: false) - Allows use of the SpawnMobXYZ Command

Config:

+ max-amount - Set Maximum Amount of Mobs Spawnable with 1 Command