CapeJS

Mod utilizing KubeJS to add custom capes to players using scripts

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fabricforgeneoforgedecorationsocialutility

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About this Mod

CapeJS

CapeJS is a Forge/Fabric mod for Minecraft 1.19.2 and 1.20.1 that allows you to add custom capes to users using KubeJS. It's intended purpose is for modpack developers to give capes to pack developers, pack completionists, friends, etc. Adding capes is done through a client script, which is detailed here. The cape texture is also used to replace the elytra texture!

Requirements

KubeJS (and its dependencies)

If you experience any issues, please reach out on Discord.

Available Versions

CapeJS 1.1.0-1.21release

MC 1.21neoforge

July 25, 2024

CapeJS 1.0.0-1.20.1-fabricrelease

MC 1.20.1fabric

September 9, 2023

CapeJS 1.0.0-1.20.1-forgerelease

MC 1.20.1forge

September 9, 2023

CapeJS 1.0.0-1.19.2-fabricrelease

MC 1.19.2fabric

September 8, 2023

CapeJS 1.0.0-1.19.2-forgerelease

MC 1.19.2forge

September 8, 2023

How to Install CapeJS 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 (1.21).

Install Mod

Open the mod browser in the dashboard and search for "CapeJS". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricforgeneoforge

Minecraft Versions

1.21, 1.20.1, 1.19.2

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

CapeJS 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 (1.21). You can switch loaders with one click in the panel.

Is CapeJS compatible with fabric and forge and neoforge?

CapeJS officially supports fabric, forge, neoforge for Minecraft 1.21, 1.20.1, 1.19.2. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with CapeJS – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if CapeJS 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.