MCUpdater
The facts below are what the maker publishes about MCUpdater, checked and dated. Our editors have not written about it yet.
The facts
Each one read from MCUpdater's own pages, with the date it was checked.
What it does
- Administrator requirements
- MCUpdater is not intended for novice server administrators, who must create and host their own pack XML.checked 12 Oct 2026
- Automatic updates
- Yeschecked 22 Sep 2026
- Download options
- The download page lists a recommended Windows installer that handles dependencies and a recommended JAR for all operating systems.checked 11 Oct 2026
- FastPack
- FastPack scans a directory tree for mods and configuration files and builds a ServerPack.xml file.checked 12 Oct 2026
- Incremental updates
- When a serverpack changes, players need to download only the changed parts rather than the whole pack.checked 12 Oct 2026
- Installation options
- Serverpack modules support different installation types, including Regular, Extract, and Litemod.checked 12 Oct 2026
- Integrity checks
- A module's optional MD5 checksum is used to determine whether it needs downloading, and downloads with a mismatched checksum are not used or cached.checked 12 Oct 2026
- Intended user
- The maker says MCUpdater is not intended for novice server administrators.checked 11 Oct 2026
- License and source
- MCUpdater is provided under Apache License 2.0, and its source code is available on GitHub with pull requests welcomed.checked 12 Oct 2026
- Mod installation
- A pack module specifies a file for MCUpdater to download and install in a Minecraft instance folder.checked 11 Oct 2026
- Mod loader support
- singlechecked 22 Sep 2026
- Modpack import
- filechecked 22 Sep 2026
- Pack building
- The download page says MCU-PackBuilder functionality is now integrated into MCUpdater.checked 11 Oct 2026
- Pack composition
- Serverpacks can import other packs, allowing their server entries and modules to be incorporated into a pack.checked 12 Oct 2026
- Pack control
- Server owners can choose the contents of their packs without restrictions from third-party modpack platforms.checked 11 Oct 2026
- Pack creation
- The Create Modpacks tab includes functionality that also exists in the standalone FastPack tool.checked 12 Oct 2026
- Pack format
- ServerPacks are defined in XML and specify where files are downloaded and how they are installed.checked 11 Oct 2026
- Pack hosting
- Server owners must build and provide web hosting for their own pack XML.checked 11 Oct 2026
- Purpose
- MCUpdater is a Minecraft modpack patcher and launcher for server owners building custom modpacks.checked 12 Oct 2026
- Security note
- The download page's 2015 post says the bundled EXE and App are unsigned and may trigger security warnings or be blocked by local settings.checked 12 Oct 2026
- Serverpacks
- Serverpacks are XML files that specify where MCUpdater downloads mods and configuration files and how it installs them.checked 12 Oct 2026
- Support
- The site directs users to its Discord community for help when the website does not provide the information they need.checked 12 Oct 2026
Where it runs
- Client platforms
- MCUpdater is written in Java and is tested on Windows, OSX, and Linux clients.checked 12 Oct 2026
- Platforms
- The maker says MCUpdater is written in Java and tested on Windows, OSX, and Linux clients.checked 11 Oct 2026
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