SimpleSkinSwapper

Evidence

Ran on Kiln's test stand (2026-11-04): it stopped at kotlin.jvm.internal.Intrinsics, a class from a jar nested inside the mod; Kiln does not unpack nested jars yet.

What it needs from Kiln

• Mixin
• 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.NativeImage
• com.mojang.blaze3d.platform.NativeImage.Format
• com.mojang.blaze3d.vertex.VertexConsumer
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Init
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.client.User
• net.minecraft.client.gui.GuiGraphicsExtractor.ScissorStack
• 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.CreateNarration
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.events.ContainerEventHandler
• net.minecraft.client.gui.components.events.GuiEventListener
• net.minecraft.client.gui.navigation.ScreenRectangle
• net.minecraft.client.gui.render.TextureSetup
• net.minecraft.client.gui.screens.TitleScreen
• net.minecraft.client.input.KeyEvent
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.multiplayer.PlayerInfo
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.renderer.entity.state.AvatarRenderState
• net.minecraft.client.renderer.entity.state.EntityRenderState
• and 50 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

A simple skin swapper that offers you a way to quickly switch skin on servers.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file simpleskinswapper-0.12.0-26.3.jar. The scan reads the mod's classes; it does not run them.