oneaura's Cart Optimizer
Overview
oneaura's Cart Optimizer is a mod that optimizes the handling of minecarts by removing the item client-side immediately upon placement. This prevents carts from ghosting (you place the cart, but it still appears to be on your hotbar).
Commands
| Commands | Usage |
|---|---|
| /cartoptimizer on | Enable the mod. |
| /cartoptimizer off | Disable the mod. |
| /cartoptimizer debug <on/off> | Toggle the [Cart Optimizer] -1 Cart indicator. |
Supported Platforms & Versions
| Platform | Supported Versions |
|---|---|
| Fabric | 1.21.x |
Use at your own risk. This mod is still in development. Please report any bugs here.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as oneauras-cart-optimizer-1.0.5.jar — drop this file into the mods folder
- Download size: 36 KB
- Download link checked 30 Aug 2026 — working
These come from our own check of the pack file, not from the source page.