
Crafting Manipulator
Library mod for fabric that lets you modify crafting results and more
Screenshots

About this Mod
Crafting Manipulator is used to modify crafting results (+ few other things)
It was designed for Hammers and Smithing (to make items uncraftable when player doesn't stand near Smithing Table)
This mod doesn't do anything on it's own. Install it when other mod depends on it.
Available Versions
How to Install Crafting Manipulator 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 (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Crafting Manipulator". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21, 1.20.4 (+4 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Crafting Manipulator 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 (1.21.1). You can switch loaders with one click in the panel.
Is Crafting Manipulator compatible with fabric?
Crafting Manipulator officially supports fabric for Minecraft 1.21.1, 1.21, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Crafting Manipulator – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Crafting Manipulator 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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Rent Modded Server
Install Crafting Manipulator with just one click on your server.