CurseForge · Minecraft mod
CapeJS
Mod utilizing KubeJS to add custom capes to players using scripts
Quick answer
Which CapeJS release should I use?
CapeJS 1.1.1-1.21.1 targets 1.21.1 with NeoForge. The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server. All 2 required mods have matching files.
Where it goes
Is CapeJS required on the client, server, or both?
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
The source does not explicitly classify this release as client-only or server-only.
What else does CapeJS 1.1.1-1.21.1 need?
CapeJS 1.1.1-1.21.1. Change the file and its required mods may change too.
Install KubeJS, Rhino first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
1 extra mod was pulled in by another dependency. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add CapeJS without breaking your instance.
Built for CapeJS 1.1.1-1.21.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use CapeJS 1.1.1-1.21.1. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install KubeJS, Rhino first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside CapeJS 1.1.1-1.21.1. It opens that exact file at the source.
About this project
What does CapeJS add?
CapeJS
CapeJS is a NeoForge mod for Minecraft 1.21 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.

Project description from CurseForge.
Pick your setup
CapeJS by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader build1.21
1 loader build1.20.1
2 loader builds1.19.2
2 loader buildsCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
CapeJS versions and loaders
CapeJS 1.1.1-1.21.1
capejs-1.1.1-1.21.jar
28 Jul 2026
CapeJS 1.1.0-1.21
capejs-1.1.0-1.21.jar
25 Jul 2024
CapeJS 1.0.0-1.20.1-fabric
CapeJS-1.0.0-1.20.1-fabric.jar
9 Sept 2023
CapeJS 1.0.0-1.20.1-forge
CapeJS-1.0.0-1.20.1-forge.jar
9 Sept 2023
CapeJS 1.0.0-1.19.2-forge
CapeJS-1.0.0-1.19.2-forge.jar
8 Sept 2023
CapeJS 1.0.0-1.19.2-fabric
CapeJS-1.0.0-1.19.2-fabric.jar
8 Sept 2023
Looking for an older file? The official CurseForge project page is in Resources.