Armor Hider

Evidence

Ran on Kiln's test stand (2026-11-04): ArmorHiderFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/server/MinecraftServer; FabricArmorHiderClient did not start: java.lang.NoClassDefFoundError: net/minecraft/world/entity/EquipmentSlot.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.blaze3d.platform.NativeImage
• com.mojang.renderpearl.api.pipeline.ColorTargetState
• com.mojang.renderpearl.api.pipeline.DepthStencilState
• com.mojang.renderpearl.api.pipeline.RenderPipeline
• com.mojang.renderpearl.api.pipeline.RenderPipeline.Builder
• com.mojang.renderpearl.api.pipeline.RenderPipeline.Snippet
• com.mojang.renderpearl.api.vertex.VertexFormat
• net.minecraft.client.OptionInstance
• net.minecraft.client.OptionInstance.CaptionBasedToString
• net.minecraft.client.OptionInstance.IntRange
• net.minecraft.client.OptionInstance.TooltipSupplier
• net.minecraft.client.OptionInstance.ValueSet
• net.minecraft.client.OptionInstance.ValueUpdateListener
• net.minecraft.client.Options
• net.minecraft.client.gui.components.AbstractWidget
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.CycleButton
• net.minecraft.client.gui.components.CycleButton.Builder
• net.minecraft.client.gui.components.CycleButton.OnValueChange
• net.minecraft.client.gui.components.MultiLineTextWidget
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.screens.options.SkinCustomizationScreen
• net.minecraft.client.model.geom.ModelPart
• net.minecraft.client.multiplayer.PlayerInfo
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.player.AbstractClientPlayer
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.renderer.Sheets
• net.minecraft.client.renderer.entity.state.AvatarRenderState
• net.minecraft.client.renderer.rendertype.LayeringTransform
• net.minecraft.client.renderer.rendertype.RenderSetup
• net.minecraft.client.renderer.rendertype.RenderSetup.OutlineProperty
• net.minecraft.client.renderer.rendertype.RenderSetup.RenderSetupBuilder
• net.minecraft.client.renderer.rendertype.RenderType
• net.minecraft.client.renderer.rendertype.RenderTypes
• net.minecraft.client.renderer.texture.DynamicTexture
• net.minecraft.client.renderer.texture.TextureAtlas
• and 54 more

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

In the author's words

Hide or adjust the transparency of armor, glint, and offhand items - with full multiplayer sync.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file armor-hider-fabric-0.14.6+26.3.jar. The scan reads the mod's classes; it does not run them.