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Create a Custom Tab

Creating or configuring a custom tab, is done through JSON through a Resource pack.

!!!warning You can now reload edited tabs by running the /mct reloadTabs command. Available since 1.1

To reload Language files, you need to use the standard F3 + T key combo

!!! !!!info You can define multiple tabs inside a single pack. You do not need to create a pack for each one !!!

Getting Started

The first thing you want to do is, create a new, empty resource pack. To save you some time, you can also download the SKELETON packs below with all the base files already created.

Other Downloads

!button variant="success" text="New Format (1.18)" !button variant="warning" text="New Format (1.19 - 1.19.2)" !button variant="danger" text="New Format (1.19.3+)"

Inside your resource pack, you will need the following folder layout:

|-- Pack Folder
    |-- assets
        |-- minecraft
            |-- lang
                |-- en_us.json
            |-- morecreativetabs
                |-- my_tab.json
    |-- pack.mcmeta

!!!info When using the SKELETON PACK, these files/folders will already be created for you !!!

Creating your first tab

To create a new creative tab, create a file inside the morecreativetabs folder. You can call this whateveryouwant.json. This file will tell the mod how to configure the creative tab.

You will also need a lang file inside the lang folder. For this example, we will use en_us.json which is the english version of the tab names.

Below is a sample config file, with an explanation at the bottom:

{
  "tab_enabled": true,
  "tab_name": "test_tab",
  "tab_stack": { "name": "minecraft:light", "nbt": "{BlockStateTag: {level:\"4\"}}"},
  "tab_items": [
    {
      "name": "minecraft:light",
      "hide_old_tab": true,
      "nbt": "{BlockStateTag: {level:\"10\"}}"
    },
    {
      "name": "minecraft:torch"
    },
    {
      "name": "minecraft:soul_torch",
      "nbt": "{customName: \"Oi Govener!\"}"
    },
    {
      "name": "minecraft:candle"
    }
  ]
}

Explanation:

Item/Variable Purpose
"tab_enabled" Should this custom tab be loaded by the mod
"tab_name" The translation key used in the lang file. For example: lighting_tab. This will be prefixed with morecreativetabs. So lighting_tab will become morecreativetabs.lighting_tab
"tab_stack" The registry name and optional NBT of the item to use as the tab icon. See example above
"tab_items" This contains a reference to all the items contained in the tab
"name" The registry name of the item to use as the tab icon. This must always be in format modid:itemname. You can find this by dropping an item on the ground and looking at it, with F3 active
"hide_old_tab" -> Optional When present and enabled, the item will be removed from its original tab, and only be shown in the custom tab
"nbt" -> Optional Pretty self explanatory, but this allows you to set NBT values on an item inside the tab

!!!warning "tab_enabled", "tab_name", "tab_stack" and "tab_items" must always be present, or the file will not load !!!

Changing the name of an item

Since V1.1, you can now override the name of an item in a custom tag. To do this, add the following to your NBT tag:

customName: \"Your Custom Name Here\"

More examples

Here you can download a couple of pre-made packs, to see how they work and make your own from them.