Citadel
by AlexModGuy
A modding library required by Alex's Mobs and Ice and Fire providing animation systems, entity utilities, and data tools.
LibraryDownload Citadel
Citadel 2.7.1 sits on our own server, the build AlexModGuy released on 2026-07-18, 2.9 MB. AlexModGuy stays the author of Citadel, the file is only hosted here. 2.9 MB is the whole of Citadel, one file. 480 people follow Citadel for the next build.
Download citadel-2.7.1-1.21.1.jarFor neoforge on Minecraft 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10 and 1.21.11. SHA1 9d7873f74b418f4f83adf2ae41af75d2e8217cd6 is the checksum of this Citadel file. 2026-07-18 is the date AlexModGuy put this Citadel build out. 2.9 MB after download, no unpacking for Citadel.
Overview
A modding library required by Alex's Mobs and Ice and Fire providing animation systems, entity utilities, and data tools. Citadel lists model rendering utilities among its features. 480 watchers follow Citadel today. It is built for players installing Alex's Mobs or Ice and Fire, which require it. AlexModGuy files Citadel under Library.
Citadel is the library powering those creature mods' animations and systems, installed alongside them as a dependency. It counts 5 features across 21 versions. It belongs on both sides. It needs no companion mod. It covers 21 game versions.
Citadel 2.7.1 is downloadable here, 2.9 MB. It includes required by alex's mobs and ice and fire. It ships under LGPL. 480 people watch Citadel for updates. 18 other Library mods sit beside Citadel.
AlexModGuy tags Citadel as library, animation and entities. It spans 1.14.4 to 1.21.11. It brings data-driven mob configuration. It lists model rendering utilities too. 21 builds carry the Citadel name.
1.21.11 is the newest game version AlexModGuy has signed off for Citadel, and 4 releases have landed since. It counts 5 features across 21 versions. 2 separate builds keep Citadel running, one per loader. It includes model rendering utilities. It lists spawn condition helpers among its features.
Mod Loaders
Citadel ships a separate build for each of Forge and NeoForge. It needs one loader, Citadel ignores the other. AlexModGuy counts 21 published Citadel builds. Our own Citadel copy is the neoforge build.
Minecraft Versions
21 game versions carry Citadel, 1.14.4 at the oldest and 1.21.11 at the newest. A Citadel jar built for another version will not load Citadel. It counts 5 features across 21 versions. The Citadel file here is version 2.7.1, for Minecraft 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10 and 1.21.11.
1.21.9, 1.21.10 and 1.21.11 are the newest game versions with a Citadel build. Your launcher version and the Citadel jar version have to match. Each number exists per loader, so 42 Citadel combinations in all. 1.14.4 and 1.15.2 are the oldest Citadel builds, below 1.14.4 there is none.
Mods here that need Citadel
2 mods here will not load without Citadel. Citadel has to match the same game version as the mod that asks for it. Citadel shares Library with 18 others. Installing Citadel alone changes nothing; it is there for the mods above it.
What Citadel adds
Citadel adds 6 named things to the game. A name here means Citadel really carries it, not that it is craftable everywhere. 1 blocks come with Citadel as well. 5 of them are items, the largest group in Citadel.
5 items
Citadel Book, Citadel Debugger, Fancy Item, Icon Item, Potion Effect.
1 blocks
Lectern.
Release history
AlexModGuy has published 24 Citadel builds, the first on 2023-11-03 and the newest on 2026-07-18. The date says when Citadel last moved, not how long it will keep working. 24 of them are full releases, the rest are test builds of Citadel. 3 Citadel builds went out in 2026.
| Build | Published | For | Downloads |
|---|---|---|---|
| 2.7.1 | 2026-07-18 | NeoForge · 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5 | 32K · 2.9 MB |
| 2.7.0 | 2026-01-17 | NeoForge · 1.21.1 | 114K · 2.9 MB |
| 2.6.3 | 2026-01-17 | Forge, NeoForge · 1.20.1 | 4M · 3.0 MB |
| 2.6.2 | 2025-06-27 | Forge, NeoForge · 1.20.1 | 3M · 3.0 MB |
| 2.6.1 | 2024-12-18 | Forge, NeoForge · 1.20.1 | 5M · 3.0 MB |
| 2.6.0 | 2024-08-15 | Forge, NeoForge · 1.20.1 | 1M · 3.0 MB |
| 2.5.7 | 2024-08-14 | Forge, NeoForge · 1.20.1 | 14K · 3.0 MB |
| 2.5.6 | 2024-07-23 | Forge, NeoForge · 1.20.1 | 158K · 3.0 MB |
2026: 3 builds · 2025: 1 builds · 2024: 9 builds · 2023: 11 builds
Key Features
Citadel brings a focused set of features to the table. Highlights include entity animation framework, plus data-driven mob configuration, with the full list below.
- Entity animation framework
- Data-driven mob configuration
- Model rendering utilities
- Spawn condition helpers
- Required by Alex's Mobs and Ice and Fire
Tags
How to install Citadel
Citadel takes one of Forge and NeoForge. It spans 1.14.4 to 1.21.11. It belongs on both sides. It lists entity animation framework among its features.
- 1Install Forge for the Minecraft version you want Citadel on. It brings data-driven mob configuration. It counts 5 features across 21 versions. A profile on another version never starts Citadel.
- 2Nothing has to go in before Citadel. No library is listed under Citadel. The Citadel page names its own requirements. A fresh profile is enough for Citadel.
- 3Drop citadel-2.7.1-1.21.1.jar into the mods folder. 2.9 MB is the whole Citadel file. The server needs that same Citadel file. The folder may hold other mods beside Citadel.
- 4Start the game and look for Citadel in the mods list. It loads on its own once the version matches. No Citadel entry means the loader or the version is off. 480 watchers follow Citadel today.
Citadel runs on 21 game versions, 1.14.4 to 1.21.11. 26.2 is 4 releases past Citadel. Each Citadel jar is built per version. 1.14.4 is as far back as Citadel goes.
See our full mod install guideCompatibility & alternatives
Forge and NeoForge run Citadel today. It includes data-driven mob configuration. It shares Library with 18 others. It belongs on both sides. 21 versions carry Citadel.
alex-mobs and ice-and-fire sit well next to Citadel. It counts 5 features across 21 versions. It competes in Library. Architectury API and GeckoLib share the shelf with Citadel. (no direct alternative, it is a dependency library) cover ground Citadel also covers.
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