Lonsdaleite Tools (& Omnitool)

Evidence

Ran on Kiln's test stand (2026-11-04): Lonsdaleite did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/BlockGetter.

What it needs from Kiln

• net.fabricmc.fabric.api.creativetab.v1.FabricCreativeModeTab
• net.minecraft.core.HolderLookup.RegistryLookup
• net.minecraft.core.RegistryAccess
• net.minecraft.core.component.BlockTransformer
• net.minecraft.core.component.DataComponents
• net.minecraft.tags.BlockTags
• net.minecraft.tags.TagKey
• net.minecraft.world.entity.EquipmentSlotGroup
• net.minecraft.world.entity.TamableAnimal
• net.minecraft.world.entity.ai.attributes.AttributeModifier
• net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation
• net.minecraft.world.item.CreativeModeTab.Builder
• net.minecraft.world.item.CreativeModeTab.DisplayItemsGenerator
• net.minecraft.world.item.CreativeModeTab.ItemDisplayParameters
• net.minecraft.world.item.CreativeModeTab.Output
• net.minecraft.world.item.Item.TooltipContext
• net.minecraft.world.item.MaceItem
• net.minecraft.world.item.ToolMaterial
• net.minecraft.world.item.component.BlockTransformers
• net.minecraft.world.item.component.ItemAttributeModifiers
• net.minecraft.world.item.component.ItemAttributeModifiers.Builder
• net.minecraft.world.item.component.Weapon
• net.minecraft.world.item.equipment.ArmorMaterial
• net.minecraft.world.item.equipment.ArmorType
• net.minecraft.world.item.equipment.EquipmentAssets
• net.minecraft.world.level.block.state.BlockBehaviour.StateArgumentPredicate
• net.minecraft.world.level.block.state.BlockBehaviour.StatePredicate
• net.minecraft.world.phys.shapes.EntityCollisionContext
• net.minecraft.world.phys.shapes.Shapes
• net.minecraft.world.level.BlockGetter
• FabricCreativeModeTabOutput.insertAfter()
• BuiltInRegistries.CREATIVE_MODE_TAB
• Registries.BLOCK_TRANSFORMER
• SoundEvents.ARMOR_EQUIP_DIAMOND
• SoundEvents.ARMOR_EQUIP_NETHERITE
• Entity.hasPassenger()
• LivingEntity.getEquipmentSlotForItem()
• BlockItem.appendHoverText()
• Item.isCorrectToolForDrops()
• Item.useOn()
• and 31 more

On the roadmap: Code next to data (0.3)

In the author's words

Adds a Lonsdaleite tier of tools/armor to Minecraft (Fabric)

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file lonsdaleite-fabric-2.3.0.jar. The scan reads the mod's classes; it does not run them.