Modpack Update Checker

A sleek and modern Minecraft Fabric mod for automatic modpack update checking

Installation

1. Download the latest .jar from releases
2. Place the file in your mods/ folder
3. Launch Minecraft with Fabric loader
4. Configure your update URL (see below)

Basic Configuration

After first launch, edit .minecraft/config/modpack-checker.json:

{
  "updateUrl": "https://your-website.com/modpack-update.json",
  "checkOnStartup": true,
  "localVersion": "1.0.0",
  "showFullscreenNotification": true,
  "showChatNotification": true,
  "chatTitle": "§eModpack update available!",
  "chatVersionText": "§7Version: §f%current% §7→ §a%latest%",
  "chatChangesText": "§7Changes: §f%changelog%",
  "chatDownloadText": "§7Download:",
  "enableCustomChatMessages": true,
  "notificationDelay": 3000,
  "fullscreenTitle": "Update Available",
  "fullscreenVersionText": "Current: %current% → Latest: %latest%",
  "enableCustomFullscreenMessages": true,
  "closeGameAfterDownload": true
}

Important: Replace updateUrl with your actual update endpoint!

Setup JSON

Create a JSON file on your website:

[
  {
    "version-minecraft": "1.21.8",
    "new-version-minecraft": false,
    "line-text-1": "", 
    "line-text-2": "",
    "version": "1.0.1",
    "download": "https://your-site.com/download",
    "changelog": "Bug fixes and improvements"
  }
]