Before installing a plugin, use the official website to confirm that the plugin supports your server software and Minecraft version.
What is Slimefun?
Large plugin ecosystem that adds machines, technology and modpack-like progression to a plugin server. MSH lists it as a mainstream option in Custom Items, Blocks & Content , but the official project documentation remains the source of truth for exact builds, dependencies and current compatibility.
| Developer / maintainer | Slimefun community |
|---|---|
| Category | Custom Items, Blocks & Content |
| Pricing | Free |
| Typical platform | Paper-family servers |
| Primary use | Large plugin ecosystem that adds machines, technology and modpack-like progression to a plugin server. |
What it is good at
- Hundreds of custom items/recipes and machines
- Energy networks and progression systems
- Large addon ecosystem
What types of servers should consider it?
- Tech/Slimefun servers
- Survival communities that want modpack-like gameplay without requiring client mods
Pricing and distribution
The plugin is distributed as a free option. Check the official page for the current download source and license.
What to check before using it
- Slimefun changes gameplay substantially and has its own addon compatibility ecosystem. Treat it as a gamemode foundation, not a small utility plugin.
Also check the plugin's current dependency list, migration notes and supported server versions on the official page before changing a production server.
Operational caution: Slimefun adds plugin-managed custom items and progression; it is not a Forge/Fabric modpack. Keep its data and addon versions together during upgrades.
Common questions
What does Slimefun do?
Large plugin ecosystem that adds machines, technology and modpack-like progression to a plugin server.
Is Slimefun a plugin or a mod?
Slimefun is listed here because it is used as a server plugin in its supported plugin environment. Some projects also publish builds for other platforms; use the official download page to choose the correct platform build.
Do players need to install it?
Most server plugins run server-side and do not require players to install the same JAR. Features that rely on resource packs, Bedrock bridges or optional client integrations can still change what the player must download or accept.
How do I install it?
Install a build that explicitly supports your Spigot/Paper version, then follow the official Slimefun installation guide. Include the top-level data-storage directory in backups; it contains important Slimefun state.
How do I know the plugin loaded?
After a full restart, give a permitted test player the Slimefun Guide with /sf guide, open a recipe and verify that progression/research persists on relog.
What if it does not load?
If an addon fails, check its required Slimefun build and API compatibility. Do not use /reload as a troubleshooting shortcut; isolate addons and compare the first startup error.
For general plugin installation, read How to Install Plugins on a Minecraft Server. To understand the plugin lifecycle and how plugins differ from mods, read How Minecraft Server Plugins Work. If the plugin refuses to load, use Plugin Failed to Load.
Alternatives
References
Plugin versions, pricing and platform support can change. These project pages were used as the primary references for this overview.
Related MSH pages
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