
CraftEngine Client Mod
An optional companion client mod for the CraftEngine plugin, designed to enhance the client-side experience
Screenshots

About this Mod

Features
- Supports vanilla block-editing commands such as
/setblock,/fill, and others - WorldEdit support for editing single-player worlds
- Axiom support for editing both single-player worlds and servers (see the Wiki for details)
- Litematica support for viewing and saving correct custom blocks
Additionally, to improve the user experience, the mod provides:
- When the server is running CraftEngine, disabling custom blocks in server and enabling cancelling block updates in the server on the client can resolve some visual issues
- Disables the resource pack loading screen
How to Use
- Make sure the client’s
server-side-blockscount is not lower than the server’sblock.serverside-blocksvalue - Launch the client and enable the custom blocks in server option in the mod menu
Notes
- Before editing a single-player world, you need to join a server at least once with custom blocks in server enabled to load the correct visual properties, otherwise block appearance may be incorrect
- If you build in single-player using this mod and later import the world to a server, you must enable
chunk-system.sync-custom-blocks-on-chunk-loadin the CraftEngine server configuration to ensure custom blocks are saved properly - Do not install other mods that register new blocks. Tools such as Axiom edit blocks using block state IDs, and mismatched registries between client and server can cause severe problems
- Ensure the client and server are running the same Minecraft version
Available Versions
How to Install CraftEngine Client Mod on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "CraftEngine Client Mod". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.2, 26.1.1, 26.1 (+19 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
CraftEngine Client Mod server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.1.2). You can switch loaders with one click in the panel.
Is CraftEngine Client Mod compatible with fabric?
CraftEngine Client Mod officially supports fabric for Minecraft 26.1.2, 26.1.1, 26.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with CraftEngine Client Mod – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if CraftEngine Client Mod consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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