Armor Quick Swap

Evidence

Ran on Kiln's test stand (2026-11-04): ArmorQuickSwapFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess; ArmorQuickSwapFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess.

What it needs from Kiln

• an access widener
• Mixin
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.gui.screens.inventory.CreativeModeInventoryScreen
• net.minecraft.client.gui.screens.inventory.CreativeModeInventoryScreen.SlotWrapper
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.multiplayer.MultiPlayerGameMode
• net.minecraft.core.NonNullList
• net.minecraft.core.component.DataComponents
• net.minecraft.util.Mth
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.EntityTypes
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.EquipmentSlot.Type
• net.minecraft.world.entity.EquipmentSlotGroup
• net.minecraft.world.entity.decoration.ArmorStand
• net.minecraft.world.entity.player.Abilities
• net.minecraft.world.entity.player.Inventory
• net.minecraft.world.inventory.AbstractContainerMenu
• net.minecraft.world.inventory.ContainerInput
• net.minecraft.world.inventory.InventoryMenu
• net.minecraft.world.inventory.Slot
• net.minecraft.world.item.component.SwingAnimation
• net.minecraft.world.item.equipment.Equippable
• net.minecraft.world.phys.EntityHitResult
• net.minecraft.world.phys.HitResult.Type
• net.minecraft.core.RegistryAccess
• Minecraft.gameMode
• LocalPlayer.containerMenu
• LocalPlayer.getInventory()
• LocalPlayer.hasInfiniteMaterials()
• LocalPlayer.isShiftKeyDown()
• LocalPlayer.swing()
• LivingEntity.getItemBySlot()
• Player.containerMenu
• Player.getAbilities()
• Player.getEquipmentSlotForItem()
• Player.getInventory()
• Player.getItemBySlot()
• Player.hasInfiniteMaterials()
• Player.inventoryMenu
• Player.isSecondaryUseActive()
• and 12 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Instant armor swapping from your inventory or armor stands. Works anywhere, client or server.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file armorquickswap-v26.3.0-mc26.3.x+fabric.jar. The scan reads the mod's classes; it does not run them.