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SpyCoreMinecraft plugin for 1.21.11

Organize your worlds, like never before. SpyCore is the modern world manager designed for server owners who are tired of server restart everytime when adds a world. SpyCore gives you full control without needing of restart.

server onlynewest supported 1.21.11TechnologyGame MechanicsStorageWorldgen
Latest version
1.0.9
Minecraft
1.21 to 1.21.11
Java
Java 21+
Loaders
Spigot, Paper, Bukkit
Licence
CC-BY-NC-SA-4.0
Downloads
380
Updated
5 mo ago
Available on
Modrinth
Space NodePartner

Host SpyCore servers

One click and SpyCore is installed with the right loader, on hardware built for it.

  • 1.21.11
  • Spigot
  • Paper
  • Bukkit
  • One click plugin install
  • Paper and Purpur ready
  • Automatic updates
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version SpyCore declares support for, newest first, with the Java runtime that version needs.

Other plugins
MinecraftThroughJavaEvidenceReleased
1.21.11Spigot, Paper, Bukkit21+declared9 Dec 2025
1.21.10Bukkit, Spigot, Paper21+declared7 Oct 2025
1.21.9Paper, Spigot, Bukkit21+declared30 Sept 2025
1.21.8Paper, Spigot, Bukkit21+declared17 Jul 2025
1.21.7Paper, Spigot, Bukkit21+declared30 Jun 2025
1.21.6Bukkit, Paper, Spigot21+declared17 Jun 2025
1.21.5Spigot, Paper, Bukkit21+declared25 Mar 2025
1.21.4Bukkit, Spigot, Paper21+declared3 Dec 2024
1.21.3Bukkit, Spigot, Paper21+declared23 Oct 2024
1.21.2Spigot, Paper, Bukkit21+declared22 Oct 2024
1.21.1Bukkit, Spigot, Paper21+declared8 Aug 2024
1.21Spigot, Paper, Bukkit21+declared13 Jun 2024

Download

From SpyCore’s own host. Nothing is re-hosted here.

1.0.9release20 Feb 2026

spycore-1.0.9.jar · 0.1 MB · for 1.21, 1.21.1, 1.21.2, 1.21.3

Download latest
24f79ad65920…
Older versions9
  • 1.0.820 Feb 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB11 downloads7c2a75deacea…Get
  • 1.0.711 Feb 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB30 downloadsce495c55d6fd…Get
  • 1.0.610 Feb 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB16 downloads8884128c386e…Get
  • 1.0.55 Feb 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB20 downloadsee46284a1bba…Get
  • 1.0.44 Feb 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB10 downloadsf5c14e35c0f0…Get
  • 1.0.327 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB24 downloads8d4b7c939c4a…Get
  • 1.0.223 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB18 downloads2bc227b23f8e…Get
  • 1.0.119 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB18 downloads13da22d0ae3f…Get
  • 1.0.018 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.1 MB13 downloadsbdcb057b3705…Get

Frequently asked

Does SpyCore work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version SpyCore declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does SpyCore support?

Everything the author has declared, from 1.21 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install SpyCore on the client or the server?

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

Which server software does SpyCore need?

Spigot, Paper, Bukkit. A build for one server platform will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for SpyCore?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the plugin itself.

What licence is SpyCore under?

CC-BY-NC-SA-4.0, 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 SpyCore?

Download the file from the author's own release, drop it into your server's plugins folder, and restart the server. It generates its configuration on first start. Check the Minecraft version matches the one your server runs.

Where do I download SpyCore safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 6 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .