CurseForge · Minecraft mod
Eclipse Core
The Eclipse menu every Eclipse mod uses: one place for settings, theme, HUD editor, presets and PC + Mac sync.
Quick answer
Which Eclipse Core release should I use?
Eclipse Core 1.2.0 (26.1.2) targets 26.1.2 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Eclipse Core required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Eclipse Core 1.2.0 (26.1.2) need?
Eclipse Core 1.2.0 (26.1.2). Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Eclipse Core without breaking your instance.
Built for Eclipse Core 1.2.0 (26.1.2). Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Eclipse Core 1.2.0 (26.1.2). It targets 26.1.2 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Eclipse Core 1.2.0 (26.1.2). It opens that exact file at the source.
About this project
What does Eclipse Core add?

Works on 26.1.2 · 26.2 · 26.3 · Fabric · 💬 Discord
What it does
The heart of Eclipse Client. One black + green menu that every Eclipse mod plugs into. Press Backspace anywhere to open it. Every other Eclipse mod needs this one.

⭐ Top features
| 🖥️ One menu | Every feature is a card with an on/off switch and its own settings page. |
| 🔎 Settings search | Type "zoom" or "map" and every matching setting shows up. |
| 🧩 HUD editor | Drag any HUD part from any Eclipse mod. Right click hides, middle click resets. |
| 🎨 Theme | Pick any accent color, box darkness and blur. All Eclipse mods match. |
| ☁️ PC + Mac sync | Pick the same cloud folder on each computer and your settings stay the same everywhere. |

➕ More features
- Presets: one click for Survival, Building, PvP, Max FPS or Pretty
- Key binds: search keys, show only clashes, reset one or all
- Profiles: switch setups with F9
- Share settings: export / import all settings + keys as one file
- All mods: every installed mod with a Settings button (replaces Mod Menu)
- Crash-safe saving: settings are saved with a backup, so a crash can't wipe them
- Worlds + Screenshots: favorite worlds and a screenshot browser
- Sync details: syncs every minute and when you close the game. Never deletes anything: the newest file wins and the other is kept as a backup
📥 Install
- Install Fabric Loader + Fabric API
- Put Eclipse Core in your
modsfolder - In game, press Backspace
🧩 The Eclipse family: Core · Map · HUD · Tools · Visuals · Printer · Server · Plus · Shaders
🤖 Made with help from AI tools. Tested in-game on every supported version before each update.
Project description from CurseForge.
Pick your setup
Eclipse Core by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.3
1 loader build26.2
1 loader build26.1.2
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Eclipse Core versions and loaders
Eclipse Core 1.2.0 (26.1.2)
eclipse-core-1.2.0.jar
12 Nov 2026
Eclipse Core 1.2.0 (26.3)
eclipse-core-1.2.0.jar
12 Nov 2026
Eclipse Core 1.2.0 (26.2)
eclipse-core-1.2.0.jar
12 Nov 2026
Eclipse Core 1.1.1 (26.2)
eclipse-core-1.1.1.jar
11 Nov 2026
Eclipse Core 1.1.1 (26.1.2)
eclipse-core-1.1.1.jar
11 Nov 2026
Eclipse Core 1.1.2 (26.3)
eclipse-core-1.1.2.jar
11 Nov 2026
Eclipse Core 1.1.0
eclipse-core-1.1.0.jar
8 Nov 2026
Looking for an older file? The official CurseForge project page is in Resources.