Recycler

Single item input:

{
  "type": "mekmm:recycler",
  "input": {
    "count": 1,
    "item": "minecraft:dirt"
  },
  "chance": 0.17,
  "output": {
    "count": 1,
    "id": "mekmm:scrap"
  }
}

Single tag input:

{
  "type": "mekmm:recycler",
  "input": {
    "count": 1,
    "tag": "c:stones"
  },
  "chance": 0.17,
  "output": {
    "count": 1,
    "id": "mekmm:scrap"
  }
}

Multiple item input:

{
  "type": "mekmm:recycler",
  "input": {
    "count": 1,
    "type": "neoforge:compound",
    "children": [{
        "item": "minecraft:dirt"
      },
      {
        "item": "minecraft:grass"
      }
    ]
  },
  "chance": 0.17,
  "output": {
    "count": 1,
    "id": "mekmm:scrap"
  }
}