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Modrinth · Minecraft mod
Hopper
Hopper downloads plugin dependencies from Hangar, Modrinth, SpigotMC, and GitHub Releases at runtime so you don't need to shade them.
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which Hopper release matches 1.20.6?
Best match for your filters 1.4.0
Game version 1.19, 1.19.1, 1.19.2
Loader java-agent
Hopper 1.4.0 targets 1.19, 1.19.1, 1.19.2 with java-agent. Do not install it on the client. It must be installed on the dedicated server. No extra mods listed for this file.
Where it goes
Is Hopper required on the client, server, or both?
Do not install it on the client. It must be installed on the dedicated server.
Client Not supported
Dedicated server Required
Loader for this release java-agent
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
This file is marked server-only.
What else does Hopper 1.4.0 need?
1.4.0 on 1.20.6. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Hopper without breaking your instance.
Built for Hopper 1.4.0 on 1.20.6. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.4.0. It targets 1.19, 1.19.1, 1.19.2 with java-agent; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Do not install it on the client. It must be installed on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.4.0. It opens that exact file at the source.
About this project
What does Hopper add?
Hopper
Plugin Dependency Loader for Minecraft Servers
Hopper downloads plugin dependencies from Hangar, Modrinth, SpigotMC, and GitHub Releases at runtime so you don't need to shade them.
Features:
Download from Hangar, Modrinth, SpigotMC, GitHub, or direct URLs
Smart version resolution with exact, minimum, or range constraints
Auto-load plugins at runtime without server restart
Auto-detects server platform (Folia, Paper, Spigot, Velocity, etc.)
Auto-detects Minecraft version for dependency filtering
Lockfile support for reproducible builds
Multi-plugin coordination with shared dependencies
Minimal footprint - uses only JDK built-ins
Supported Platforms: Bukkit, Spigot, Paper, Purpur, Folia, Velocity, BungeeCord, Waterfall
Project description from Modrinth.
Pick your setup
Hopper by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
1.21.10
1 loader buildMinecraft version
1.21.9
1 loader buildMinecraft version
1.21.8
1 loader buildMinecraft version
1.21.7
1 loader buildMinecraft version
1.21.6
1 loader buildMinecraft version
1.21.5
1 loader buildMinecraft version
1.21.4
1 loader buildMinecraft version
1.21.3
1 loader buildMinecraft version
1.21.2
1 loader buildMinecraft version
1.21.1
1 loader buildMinecraft version
1.21
1 loader buildShowing the newest 12 of 24 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Hopper versions and loaders
1.4.0
hopper-1.4.0.jar
28 Dec 2025
Client Not supported Server Required Dependencies No extras listed Listed on Release listing
Check the 1.20.6 · java-agent setup 1.191.19.11.19.21.19.3 release
Looking for an older file? The official Modrinth project page is in Resources.
