AttributeModify

Customize every item attribute in Minecraft with JSON datapacks. No Java coding required.

This mod gives modpack creators and server admins complete control over item attributes (Damage, Health, Speed, Luck, etc.) using a simple data-driven system. It supports Vanilla items, Modded items, and fully integrates with the Curios API.

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AttributeModify allows you to customize item attributes in Minecraft with high flexibility. Instead of hardcoding changes, you use clean JSON files to modify any item in the game.

What makes it special?

• Smart Tooltips: Automatically formats tooltips with color coding (Green for weapons, Blue for armor) and sums up values for a clean look.
• Complete Control: Add, Remove, or Modify existing attributes.
• Deep Integration: Works with mainhand, offhand, armor slots, and Curios slots.

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✨ Key Features

✅ Universal Compatibility: Works with Vanilla and Modded items.
✅ Curios API Support: Native support for necklaces, rings, charms, etc.
✅ Smart Tooltips: Auto-calculates totals and applies intuitive coloring.
✅ Hot-Reload: Use /reload to test changes instantly.
✅ Server Friendly: Works for singleplayer and multiplayer.

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🚀 How to Use

1. File Structure

Create your attributes files in your datapack or resourcepack under:
data/your_mod_id/item_attributes/my_changes.json

2. Basic Example (Diamond Sword)

This adds Luck and increases Attack Damage on a Diamond Sword.

{
  "minecraft:diamond_sword": {
    "equipment_slots": {
      "mainhand": [
        {
          "action": "add",
          "attribute": "minecraft:generic.luck",
          "amount": 1.0,
          "operation": "addition",
        },
        {
          "action": "add",
          "attribute": "minecraft:generic.attack_damage",
          "amount": 2.0,
          "operation": "addition",
        }
      ]
    }
  }
}

3. Curios Example (Necklace)

Requires Curios API to be installed.

{
  "dungeons_and_combat:ernos_fang_necklace": {
    "curios_slots": {
      "necklace": [
        {
          "action": "add",
          "attribute": "minecraft:generic.max_health",
          "amount": 4.0,
          "operation": "addition",
        }
      ]
    }
  }
}

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📚 Documentation Reference

🛠 Supported Slots

• Standard: mainhand, offhand, head, chest, legs, feet
• Curios: Any registered curios slot (e.g., necklace, ring, charm)

⚡ Actions

• "add": Adds a new attribute modifier.
• "remove": Removes an existing attribute from the item (e.g., remove damage from a sword).
• "modify": Replaces an existing attribute modifier.

🧮 Operations

• "addition" (or "add"): Adds a flat value (e.g., +2 Damage).
• "multiply_base": Multiplies the base value (e.g., +50% of base damage).
• "multiply_total": Multiplies the final calculated value.

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