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Declarative UI

Mod

Adds data-driven UI, fully server-side.

Type

Mod

Modrinth Downloads

31

Modrinth ID

5UTWPtx3

Last Updated

May 19, 2026

Description

Declarative UI

A data-driven UI mod for Minecraft using Fabric, making creation of GUIs easier and creating commands possible within a datapack.
No need to learn Java or Kotlin.
Containers also exist, so you could try making a sell gui, etc.

📖 Usage

To create a datapack, you can use /datapack create <id> <description>. You'll find it in your world's datapacks folder.
To create a GUI, which also allows customized slot actions and titles, create a JSON file within its data/<namespace>/declarative_ui/menu folder you'll create. For the format of the JSON, check the Menu Generator
To create a Command, with or without parameters, follow previous steps but put the JSON within data/<namespace>/declarative_ui/command and check the Command Generator for the format.
To create a container, create a JSON file within data/<namespace>/declarative_ui/container and put a number greater than 0 in a size field

📖 Extra Commands

  • Use /item (modify|replace) container for command modification of player stored containers
  • Use /declarative_ui open <targets> <menu> to open a menu

You can also download the .mcdoc and commands.json files for Spyglass here: https://cdn.modrinth.com/data/5UTWPtx3/versions/v9eBhllw/spyglass.zip

Compatibility

Mod Loaders

Fabric

Game Versions

1.21.11 26.1 26.1.1 26.1.2

Screenshots

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External Resources