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Unstable SMP+Minecraft plugin

This is a fan-made plugin based on Unstable SMP by Furiusfighter213

server only
Latest version
1.0.0
Minecraft
no version declared
Java
follows the game
Platforms
none declared
Licence
LicenseRef-All-Rights-Reserved
Downloads
2.8k
Updated
9 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Unstable SMP+ servers

One click and Unstable SMP+ is installed on a Paper or Purpur server built for it.

  • One click plugin install
  • Paper and Purpur ready
  • Automatic updates
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Download

From Unstable SMP+’s own host. Nothing is re-hosted here.

1.0.0release30 Dec 2025

UnstableSMP-1.0.0.jar · 20 KB · for 1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +7 more

Download latest
d0a63d2613fc

Frequently asked

Do I need to install Unstable SMP+ on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

What licence is Unstable SMP+ under?

LicenseRef-All-Rights-Reserved, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Unstable SMP+?

Choose the release variant for your server platform. Paper, Spigot, Purpur and Bukkit files go in the server's plugins folder; Fabric, Forge, NeoForge and Quilt files go in the mods folder. Restart after installing and check that the Minecraft version matches your server.

Where do I download Unstable SMP+ safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Which Minecraft versions does Unstable SMP+ work on?

The author has not declared a supported version in the metadata we sync, so there is nothing here we can state as fact. Check the project's own page before installing it, and treat an old plugin with no declared version as untested on modern Minecraft.

Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Not indexed yet. Score 51 against a threshold of 55. The page still exists and is still linked; it simply carries noindex until we hold more.

Is this information wrong or missing something? .