* **Machines and Electronics** - For mods that include placeable machinery or electronic components which interact to complete tasks.
* **Maintenance** - For mods that assist with world or player maintenance. This includes large-scale map manipulation, area protection and other administrative tools.
* **Tools** - For mods that add new tools or new features for existing tools.
* **Transport** - For mods that add transportation methods. This includes teleportation, vehicles and ridable mobs.
* **Survival** - For mods written specifically for survival games. For example, these mods might focus on game-balance or increase the difficulty level. This tag should also be used for games with a heavy survival focus.
* **Creative** - For mods written specifically (and often exclusively) for use in creative mode. For example, these mods may add a large amount of decorative content, or content without crafting recipes. This tag should also be used for games with a heavy creative focus.