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Structure Gel APIMinecraft mod for 1.21.4

An API for simplifying the developer end of creating generated structures.

client and servernewest supported 1.21.4UtilityWorldgen
Latest version
2.20.0
Minecraft
1.16.5 to 1.21.4
Java
Java 21+
Loaders
NeoForge, Forge
Licence
LicenseRef-All-Rights-Reserved
Downloads
5.1M
Updated
5 d ago
Available on
Modrinth
Space NodeOur hosting

Host Structure Gel API servers

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

  • 1.21.4
  • NeoForge
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • 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 Structure Gel API declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.4NeoForge, Forge21+declared3 Dec 2024
1.20.4NeoForge, Forge17+declared7 Dec 2023
1.20.1Forge, NeoForge17+declared12 Jun 2023
1.19.4NeoForge, Forge17+declared14 Mar 2023
1.19.2NeoForge, Forge17+declared5 Aug 2022
1.18.2NeoForge, Forge17+declared28 Feb 2022
1.16.5Forge, NeoForge8+declared14 Jan 2021

Download

From Structure Gel API’s own host. Nothing is re-hosted here.

2.20.0release26 Jan 2025

structure_gel-1.21.4-2.20.0.jar · 1.1 MB · for 1.21.4

Download latest
1bb345369ac7…
Older versions21
  • 2.19.121 Jun 20241.20.41.0 MB2.8k downloads48befc8ddb21…Get
  • 2.19.02 Jun 20241.20.41.0 MB300 downloads1ff959f3ff62…Get
  • 2.18.121 Apr 20241.20.40.9 MB1.0k downloads588c4d301b84…Get
  • 2.16.221 Apr 20241.20.10.9 MB3.9M downloads643f7ae81418…Get
  • 2.18.017 Mar 20241.20.40.9 MB483 downloads55d35271f116…Get
  • 2.16.117 Mar 20241.20.10.9 MB23.7k downloads47e3538ca287…Get
  • 2.17.24 Feb 20241.20.40.9 MB404 downloadsed89ca6d0415…Get
  • 2.17.117 Jan 20241.20.40.9 MB235 downloadsb5a488fd0ea9…Get
  • 2.17.011 Jan 20241.20.40.9 MB172 downloads0cabb4baf2f4…Get
  • 2.16.022 Dec 20231.20.10.9 MB74.4k downloadsd5d3ada50c8e…Get
  • 2.15.125 Nov 20231.20.10.9 MB142.5k downloadsf289b0bb8c4a…Get
  • 2.15.018 Oct 20231.20.10.9 MB19.7k downloads4e05a543c597…Get
  • 2.4.818 Oct 20231.18.20.6 MB33.5k downloads8c75e68a28e6…Get
  • 2.14.023 Sept 20231.20.10.9 MB8.0k downloads139f343f5cb8…Get
  • 2.7.323 Sept 20231.19.20.7 MB98.6k downloads3d5a2dcef1f4…Get
  • 2.13.125 Aug 20231.20.10.8 MB1.2k downloadscfd96d0018e6…Get
  • 2.13.022 Aug 20231.20.10.8 MB1.9k downloads363a6908f568…Get
  • 2.12.024 May 20231.19.40.8 MB16.1k downloadsb9f3291fc01f…Get
  • 2.7.224 May 20231.19.20.7 MB11.2k downloadse6f223c6512e…Get
  • 2.4.724 May 20231.18.20.6 MB32.9k downloads4b962efa54be…Get
  • 1.7.824 May 20231.16.50.2 MB328.3k downloads4d33b3f72eea…Get

Frequently asked

Does Structure Gel API work on Minecraft 1.21.4?

Yes. 1.21.4 is the newest Minecraft version Structure Gel API 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 Structure Gel API support?

Everything the author has declared, from 1.16.5 up to 1.21.4. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Structure Gel API 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 Structure Gel API support?

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 Structure Gel API?

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 Structure Gel API 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 Structure Gel API?

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 Structure Gel API 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.

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Last checked 5 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? .