
Item Components
Change the default components for items! Server-side and data-driven, refreshes on /reload! (and does it properly)
About this Mod
Item Components
✅ Features
- Server-side at no cost of quirkyness on the client
- Data-driven through datapacks, read below for the how.
- Reloadable on the fly via /reload. No restarting a server or client, or rejoining a world.
- Supports modded items and modded item components
- Modpack creation made easy, by putting the power of balancing in your hands
❓ What can I do with it?
For a full list of things you can change, visit the Minecraft Wiki on Data component format.
A non-exhaustive list of things you add, remove or change on any item:
- Max stack size
- Armor, damage & attack speed values
- Default placement state
- Enchantment glint
- Fireproof
- Nutrition, saturation, eating time & effects
- Tooltips
- Name & lore
- Jukebox song
- Max damage
- Rarity
- Default mining speed, durability change & effective blocks
- Unbreakable
In essence, any item, modded or vanilla, can be changed in any way you might want.\
⚙️ Datapack creation
Components on (an) item(s) can be changed by adding an entry under <namespace>:item_components/<path>.json.
Entries have 3 fields, all optional:
parents: an ID or an array of IDs- The entries to inherit. Note that only the parent's parents and parent's components are inherited, not the parent's targets.
targets: an item ID, an item tag suffixed with '#' or an array of item IDs- The items to apply the component changes to.
components: a component changes object- The component changes to apply to the items.
Available Versions
How to Install Item Components 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 (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Item Components". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+11 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Item Components 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 (1.21.11). You can switch loaders with one click in the panel.
Is Item Components compatible with fabric?
Item Components officially supports fabric for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Item Components – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Item Components 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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