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Mineforgian

Attribute Modify

This mod allows the modification of item attributes, both vanilla and curios. Do you want to buff or nerf a weapon or curios? With this mod, you only need a datapack to do so.

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13
Обновлён
6 августа 2026 г.
Лицензия
All-Rights-Reserved

Опубликован 1 сентября 2025 г.

AttributeModify / NeoAttributeModify

Version 1.2.3 | Minecraft 1.20.1 Forge and Minecraft 1.21.1 NeoForge

Modify item attributes and related item behavior through datapacks. AttributeModify supports vanilla and modded attributes, mining overrides, durability changes, decorative item profiles, weighted quality data, and optional Curios or Accessories slots.

AttributeModify and NeoAttributeModify are distributed through the same CurseForge and Modrinth project pages. Install only the file that matches your Minecraft version and mod loader.

Available Versions

Mod Minecraft Loader Java
AttributeModify 1.20.1 Forge 47 Java 17
NeoAttributeModify 1.21.1 NeoForge 21.1 Java 21

Forge and NeoForge files are not interchangeable.

Features

  • Add, replace, set, or remove item attribute modifiers
  • Remove a specific modifier operation without removing the others
  • Override mining speed while preserving external speed multipliers
  • Raise an item's harvest capability to vanilla or modded mining tier requirements
  • Override durability and define custom durability triggers
  • Disable functional behavior for decorative items without deleting unrelated player effects
  • Roll weighted quality data during crafting, loot generation, or villager trades
  • Generate datapack rules through an in-game editor
  • Apply rules conditionally using NBT paths
  • Support vanilla and modded items
  • Apply changes in multiplayer environments
  • Reload datapack rules using /reload
  • Keep Curios and Accessories rule storage isolated

Requirements

AttributeModify — Minecraft 1.20.1

  • Minecraft 1.20.1
  • Forge 47.4.0 or a compatible Forge 47 release
  • Java 17

Optional integrations:

  • Curios 5.14.1+
  • Accessories 1.0.0-beta.47+
  • Apotheosis 7.4.8 and its required Placebo dependency

NeoAttributeModify — Minecraft 1.21.1

  • Minecraft 1.21.1
  • NeoForge 21.1.220 or newer
  • Java 21

Optional integrations:

  • Curios 9.5.1+
  • Accessories 1.0.0-beta.47+

Both versions start normally when the optional integration mods are absent.

Datapack Layout

Place the datapack inside:

<world>/datapacks/

Attribute rule files belong under:

data/<namespace>/item_attributes/

Example structure:

MyAttributePack/
|-- pack.mcmeta
`-- data/
    `-- my_namespace/
        `-- item_attributes/
            `-- tools.json

Run /reload after changing datapack files.

Datapack Formats

The required pack_format depends on the Minecraft version.

Minecraft 1.20.1

Use datapack format 15:

{
  "pack": {
    "pack_format": 15,
    "description": "My AttributeModify rules"
  }
}

Minecraft 1.21.1

Use datapack format 48:

{
  "pack": {
    "pack_format": 48,
    "description": "My NeoAttributeModify rules"
  }
}

In-Game Editor

Each version provides its own client command.

Mod Editor command Generated datapack
AttributeModify /attributemodify_editor AttributeModify_Editor
NeoAttributeModify /neoattributemodify_editor NeoAttributeModify_Editor

The generated datapack is written into the current world's datapack directory.

Saving requires either:

  • Being the owner of the singleplayer world
  • Having permission level 2 or higher on a server

Support

Discord: https://discord.gg/NXVEtWqsnw

Ченджлог

1.2.4Релиз1.20.1 · 6 августа 2026 г.

Changes

  • Removed the /attributemodify_inspect command and its related diagnostic code.
  • Improved datapack synchronization between dedicated servers and clients.
  • Reduced unnecessary inventory and equipment checks when no matching rules exist.
  • Precompiled NBT regular expressions when rules are loaded instead of evaluating them repeatedly.
  • Replaced reflective Curios slot access with the direct Curios API.
  • Reduced repetitive debug logging during attribute calculations.
  • Updated Forge and Minecraft API usage where safe.
  • Fixed attribute data being synchronized twice when a player joined.
  • Fixed clients retaining outdated rules after reloading an empty datapack.
  • Added explicit client and server directions to network packets.
  • Invalid NBT regular expressions now fail safely and report the problem only once.
  • Improved exception reporting for Curios, Accessories, and Apotheosis integrations.
  • Removed unused editor rendering methods and obsolete inspection references.
  • Updated the editor description to clarify that it displays base attributes and rules managed by AttributeModify.
  • Reused synchronization snapshots when sending rules to multiple players.
  • Added regression tests for valid and invalid NBT regular expressions.
  • Removed dead code and performed general maintenance cleanup.
1.2.4Релиз1.21.1 · 6 августа 2026 г.

Changes

  • Removed obsolete inspection commands.
  • Improved durability performance by avoiding unnecessary item-data rewrites during inventory scans.
  • Reduced memory allocations when evaluating attributes, NBT conditions, tooltips, and Curios or Accessories slots.
  • NBT regular expressions are now compiled once when datapack rules are loaded.
  • Removed duplicate attribute synchronization when joining a world.
  • Added validation limits for synchronized datapack data.
  • Improved error reporting for attribute application and network synchronization failures.
  • Prevented the editor from overwriting existing rule files when their JSON is invalid or corrupted.
  • The editor now reports rule-loading errors and clears cached data when disconnecting from a world or server.
  • Improved runtime detection of conflicting rules.
  • Replaced Curios reflection-based integration with its supported slot API.
  • Removed unused code and deprecated API usage.
  • Updated the project description to distinguish Forge and NeoForge compatibility.
  • Updated deprecated Gradle configuration syntax.
1.2.3Релиз1.21.1 · 5 августа 2026 г.

the decorative system was corrected

The detection of automatic slots, including curiosities, artifacts, and similar items, has been improved.

The attribute detection system has been improved to include the type non-globally, allowing for the addition or removal of each possible attribute, both numerical and percentage-based.

The editor system has also been improved to enhance attribute detection.

1.2.3Релиз1.20.1 · 5 августа 2026 г.

the decorative system was corrected

The detection of automatic slots, including curiosities, artifacts, and similar items, has been improved.

The attribute detection system has been improved to include the type non-globally, allowing for the addition or removal of each possible attribute, both numerical and percentage-based.

The editor system has also been improved to enhance attribute detection.

1.2.1Релиз1.21.1 · 1 июля 2026 г.

A new menu has been added as a test, using the command /attributemodify_editor. It's not perfect yet; the classic datapacks system is still preferable. However, I'll wait for feedback to see how I can improve it.

If you encounter any problems, please feel free to contact me via Discord.

1.2.1Релиз1.20.1 · 1 июля 2026 г.

A new menu has been added as a test, using the command /attributemodify_editor. It's not perfect yet; the classic datapacks system is still preferable. However, I'll wait for feedback to see how I can improve it.

If you encounter any problems, please feel free to contact me via Discord.

1.1.0Релиз1.21.1 · 6 апреля 2026 г.

fix lang... maybe

1.1.0Релиз1.20.4, 1.20.5, 1.20.6 · 6 апреля 2026 г.

Fix Lang... maybe

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