JumpVader (Polymer)
A server-side-only elevator mod for FabricMC using Polymer library
Screenshots

About this Mod
Jump Vader - A Fabric Server-Side Elevator Mod
What is it
I'ts a mod that lets you place "Jump Vader" blocks similar to the Quark mod's elevators.
You simply place one above the other at any vertical distance, and jump/crouch on top of the
block to go in between the different heights.
Crafting

Removal
If you've spotted a bug and want to DISABLE the JumpVader's, please do so via the config file in your servers Config folder.
Otherwise, just stop the server, delete the mod from the mods folder, and start the server back up.
NOTE: Removing the mod from the mods folder will delete all JumpVader blocks in inventories and the world permanently!
Available Versions
How to Install JumpVader (Polymer) on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "JumpVader (Polymer)". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1, 1.20, 1.19.2 (+1 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
JumpVader (Polymer) server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is JumpVader (Polymer) compatible with fabric and quilt?
JumpVader (Polymer) officially supports fabric, quilt for Minecraft 1.20.1, 1.20, 1.19.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with JumpVader (Polymer) – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if JumpVader (Polymer) consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Similar Mods
Rent Modded Server
Install JumpVader (Polymer) with just one click on your server.