MCMinecraft Assets Explorer

{
  "simultaneous_mobs": 3.0,
  "simultaneous_mobs_added_per_player": 0.5,
  "spawn_potentials": [
    {
      "data": {
        "entity": {
          "id": "minecraft:skeleton"
        }
      },
      "weight": 1
    }
  ],
  "ticks_between_spawn": 20
}