The Summer App manifest (Summer apps skill)

{
  "name": "Loot table",
  "purpose": "Balance item stats and write them to res://data/items.json",
  "permissions": ["data", "assets:read", "generate", "ai", "team:read", "engine:read", "engine:write"],
  "engineFiles": ["res://data/items.json"],
  "collections": {
    "items": {
      "description": "One weapon or armour piece",
      "fields": {
        "name": { "type": "string", "required": true },
        "damage": { "type": "number", "description": "Damage per hit" },
        "speed": { "type": "number", "description": "Attacks per second" },
        "tags": { "type": "array" }
      }
    }
  },
  "agentEvents": ["items.written"],
  "agentTools": [
    {
      "name": "nerf_item",
      "description": "Lower one item's damage by a percent",
      "input": {
        "type": "object",
        "properties": { "id": { "type": "string" }, "percent": { "type": "number" } },
        "required": ["id", "percent"]
      }
    }
  ],
  "surface": "both",
  "dock": { "preferred": "bottom" },
  "plugin": { "name": "loot_tools" }
}