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Companions!Minecraft mod for 1.21.1

A mod that adds 10 new tamable creatures called companions!

client and servernewest supported release 1.21.1UtilityAdventureMobsEquipment
Latest version
1.3.6
Minecraft
1.20 to 1.21.1
Java
Java 21+
Loaders
Fabric, NeoForge, Forge
Licence
GPL-3.0-only
Downloads
193.7k
Updated
29 d ago
Available on
Modrinth
Space NodeOur hosting

Host Companions! servers

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

  • 1.21.1
  • Fabric
  • NeoForge
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge, Forge21+declared8 Aug 2024
1.21Fabric, Forge, NeoForge21+declared13 Jun 2024
1.20.1Fabric, Forge, NeoForge17+declared12 Jun 2023
1.20Fabric, NeoForge, Forge17+declared2 Jun 2023

Download

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

For Minecraft 1.21.1

Choose the loader you use before downloading.

  • NeoForge

    1.3.4 · 11 Sept 2026 · companions-neoforge-1.21.1-1.3.4.jar

    Get NeoForge

  • Fabric, NeoForge

    1.2.4 · 23 Jun 2026

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

  • Fabric, Forge, NeoForge

    1.2.3 · 3 Jun 2026

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

Most recently published release

1.3.6release4 Oct 2026

companions-fabric-1.20.1-1.3.6.jar · 6.9 MB · for 1.20.1, 1.20 · Fabric

Download this release
950429dd7410…
Older versions14

Dependencies

What Companions!declares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

GeckolibRequired. A 3D animation library for entities, blocks, items, armor, and more!Knight LibRequired. A library that serves as a bridge between mods.

Frequently asked

Does Companions! work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Companions! 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 Companions! support?

Everything the author has declared, from 1.20 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Companions! on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Companions! support?

Fabric, NeoForge, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Companions!?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What does Companions! need to run?

It declares Geckolib and Knight Lib as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is Companions! under?

GPL-3.0-only, 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 Companions!?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Companions! 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. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

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

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)

Details from Modrinth, where the author last updated it on 4 Oct 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .