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ClavisMinecraft mod for 1.21.1

Locked chests open through a skill-based mini-game, with better performance giving better loot

client and servernewest supported 1.21.1AdventureStorageWorldgen
Latest version
0.2.13
Minecraft
1.21.1
Loaders
Fabric, NeoForge
Licence
LicenseRef-All-Rights-Reserved
Downloads
66.2k
Updated
6 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Clavis servers

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

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

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge21+declared8 Aug 2024

Download

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

0.2.13release30 Mar 2026

Clavis-NEOFORGE-0.2.13+1.21.1.jar · 0.3 MB · for 1.21.1

Download latest
e28b05165914
Older versions17
  • 0.2.1230 Mar 20261.21.10.3 MB53 downloads5f526ef021fbGet
  • 0.2.1117 Jan 20261.21.10.3 MB3.5k downloadsc63917c4e582Get
  • 0.2.1017 Dec 20251.21.10.3 MB1.3k downloadsd57c427649b5Get
  • 0.2.930 Nov 20251.21.10.3 MB602 downloads6959ed292703Get
  • 0.2.828 Nov 20251.21.10.3 MB128 downloads3c072dddbd16Get
  • 0.2.76 Nov 20251.21.10.3 MB699 downloadsf59ce7dc9ecfGet
  • 0.2.64 Nov 20251.21.10.3 MB113 downloads7daaf7ca2f9cGet
  • 0.2.531 Oct 20251.21.10.3 MB157 downloads5267c73fdd0aGet
  • 0.2.431 Oct 20251.21.10.3 MB75 downloadsfffb69cf64b0Get
  • 0.2.319 Oct 20251.21.10.3 MB442 downloads9106050e156bGet
  • 0.2.26 Oct 20251.21.10.3 MB430 downloads61b31af53488Get
  • 0.2.13 Oct 20251.21.10.3 MB210 downloads812ecbd81855Get
  • 0.2.021 Sept 20251.21.10.3 MB586 downloads76a4ef4f9cceGet
  • 0.1.320 Aug 20251.21.10.2 MB569 downloadsc3a722f867dbGet
  • 0.1.218 Aug 20251.21.10.2 MB58 downloads5250bfca6d65Get
  • 0.1.115 Aug 20251.21.10.2 MB34 downloadsb76a68d11cc3Get
  • 0.1.012 Aug 20251.21.10.2 MB58 downloadsfb23b84eea23Get

Frequently asked

Does Clavis work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Clavis declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install Clavis 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 Clavis support?

Fabric, NeoForge. 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 Clavis?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Clavis 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 Clavis?

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 Clavis 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.

Works on the same versions

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

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.

Is this information wrong or missing something? .