CurseForge · Minecraft mod
Eclipse Core
One black and green menu that every Eclipse mod plugs into, with themes, a HUD editor, presets and a settings search.
Quick answer
Which Eclipse Core release matches 26.1.2?
Eclipse Core 1.1.1 (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 1.1.1 (26.1.2) need?
Eclipse Core 1.1.1 (26.1.2) on 26.1.2. Every mod below is checked against that same setup.
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 1.1.1 (26.1.2) on 26.1.2. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Eclipse Core 1.1.1 (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 1.1.1 (26.1.2). It opens that exact file at the source.
About this project
What does Eclipse Core add?
💬 Join the Eclipse Discord for help, updates and to share your setups.
Eclipse Core
The heart of Eclipse Client. One black + green menu that every Eclipse mod plugs into, with a theme, HUD editor, presets and a settings search.
Press Backspace anywhere to open it.
Features
🖥️ The Eclipse menu
- Every feature is a card with an on/off switch and a Settings button
- Each feature has its own settings page, many with a live preview
- Right click a button to go back one step (undo a click)
- Sidebar: Mods, HUD Editor, Theme, Client, All Mods, Key Binds, Worlds, Presets, Screenshots
🔎 Settings search
Type anything ("zoom", "map", "auto") and every matching setting shows up with where it lives. Click to jump there.
🧩 HUD editor
- Drag any HUD element from any Eclipse mod
- Right click to hide or show it, middle click to reset one
- Positions are saved as a share of your screen, so they stay right when you resize
🎨 Theme
- Pick an accent color or type any hex color
- Box darkness and blur behind menus
- Every Eclipse mod uses the same theme
⚡ Presets
One click sets up everything: Survival, Building, PvP, Max FPS, Pretty.
⌨️ Key binds
- Search key binds, see only clashes, reset one or all
🧾 Client page
- Eclipse title screen, loading screen, window name and button look (each can be turned off)
- Discord status
- Export / import all your Eclipse settings and key binds as one file to share with friends
📚 All mods
Every installed mod with its version and a Settings button. Replaces Mod Menu (don't install both).
👋 Welcome screen
The first time you start, it shows the main keys and lets you pick a preset.
More
- Worlds page with favorite worlds
- Screenshots browser
Requirements
- Minecraft 26.2, Fabric Loader, Fabric API
- Required by every other Eclipse mod
Part of the Eclipse Client modpack.
💬 Questions or ideas? Join the Eclipse Discord
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 1.1.1 (26.1.2)
eclipse-core-1.1.1.jar
11 Nov 2026
Looking for an older file? The official CurseForge project page is in Resources.