Quick Skin

Evidence

Ran on Kiln's test stand (2026-11-04): QuickSkinFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; QuickSkinFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/texture/AbstractTexture.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.EnvironmentParser
• com.mojang.authlib.GameProfile
• com.mojang.authlib.properties.Property
• com.mojang.authlib.properties.PropertyMap
• com.mojang.blaze3d.Blaze3D
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.platform.Lighting
• com.mojang.blaze3d.platform.Lighting.Entry
• com.mojang.blaze3d.platform.NativeImage
• com.mojang.blaze3d.platform.Window
• com.mojang.blaze3d.systems.RenderSystem
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.blaze3d.vertex.PoseStack.Pose
• com.mojang.blaze3d.vertex.QuadInstance
• com.mojang.blaze3d.vertex.VertexConsumer
• com.mojang.math.Axis
• io.netty.buffer.ByteBuf
• io.netty.handler.codec.DecoderException
• io.netty.handler.codec.EncoderException
• net.fabricmc.api.EnvType
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStopping
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.client.MouseHandler
• net.minecraft.client.OptionInstance
• net.minecraft.client.Options
• net.minecraft.client.StringSplitter
• net.minecraft.client.User
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.AbstractSliderButton
• net.minecraft.client.gui.components.AbstractWidget
• net.minecraft.client.gui.components.AbstractWidget.WithInactiveMessage
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.CreateNarration
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.Checkbox
• net.minecraft.client.gui.components.Checkbox.Builder
• and 82 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

Sick of wasting time with Minecraft’s slow launcher just to change your skin? Quick Skin lets you swap skins instantly even on “offline” servers and gives you access to every official Minecraft cape.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file Quick Skin - Fabric - 26.3-4.0.0.jar. The scan reads the mod's classes; it does not run them.