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Slot Customization API
by TheRedBrain
Slot Customization API is a cursed, library and utility Minecraft mod from TheRedBrain with 52K downloads on the Orca catalog. It runs on Fabric, so it slots into a matching Minecraft profile without hand-patching anything. Slot Customization API is free to download and free to host on Orca: press Play and Orca launches Minecraft with Slot Customization API already installed, or host it on a free server to play with friends. There is no control panel and no config files to edit, and no command line to learn. Describe what you want in plain English and Orca installs Slot Customization API along with the loader and Minecraft version it needs, then you and your friends are playing in minutes.
A small API for mods to dynamically modify inventory slots. Allows changing the position, disabling/enabling slots and adds tooltips for empty slots.
How to install Slot Customization API
Two ways to add Slot Customization API to Minecraft. One takes a click.
- Click Play below. Orca installs Slot Customization API with Fabric and the right Minecraft version, then launches straight into the game.
That’s it. Nothing to download or configure.
- Download the latest Slot Customization API file from Modrinth for your Minecraft version.
- Install Fabric and launch Minecraft once so the loader profile is created.
- Drop the downloaded .jar into your mods folder (the mods folder inside .minecraft, or your server's mods folder).
- Add any libraries Slot Customization API depends on (the Modrinth page lists them) into the same folder, then start Minecraft on the Fabric profile.
Slot Customization APIversions & compatibility
Slot Customization API targets Fabric. Orca matches the right loader and Minecraft version for you when you host or play it, so you never have to line them up by hand. For the full list of supported Minecraft versions and required dependencies, check the Modrinth page.
Mods like Slot Customization API
More Minecraft mods in the same vein you can host or play with Orca in one click.





