I added the commands to the cfg, I gave the permissions, nothing :(
I can still use skinbox. 

  "Settings": {
    "Block": {
      "Types": [
        "remove",
        "shop",
        "s",
        "kit",
        "kits",
        "trade",
        "sb",
        "sd",
        "ss",
        "skinbox",
        "skindeployed",
        "skinset"
      ]
    },
    "cacheMinutes": 1.0
  },