minecraft-packets/minecraft-packets/data/pc/1.13.2/from-server/unlock_recipes/2.json

An easy way to query PrismarineJS/minecraft-packets

{
  "action": 1,
  "craftingBookOpen": false,
  "filteringCraftable": false,
  "smeltingBookOpen": false,
  "filteringSmeltable": false,
  "recipes1": [
    "minecraft:coal_block"
  ]
}