MCRGB

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): MCRGBClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/components/toasts/Toast.

What it needs from Kiln

Mixin
com.mojang.blaze3d.systems.RenderSystem
com.mojang.renderpearl.api.buffers.GpuBuffer
com.mojang.renderpearl.api.buffers.GpuBufferSlice
com.mojang.renderpearl.api.buffers.GpuBufferSlice.MappedView
com.mojang.renderpearl.api.commands.CommandEncoder
com.mojang.renderpearl.api.commands.GpuFence
com.mojang.renderpearl.api.device.GpuDevice
com.mojang.renderpearl.api.textures.GpuTexture
net.fabricmc.fabric.api.client.item.v1.ItemTooltipCallback
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
net.minecraft.client.KeyboardHandler
net.minecraft.client.color.block.BlockColors
net.minecraft.client.color.block.BlockTintSource
net.minecraft.client.gui.components.toasts.SystemToast
net.minecraft.client.gui.components.toasts.SystemToast.SystemToastId
net.minecraft.client.gui.components.toasts.ToastManager
net.minecraft.client.input.MouseButtonEvent
net.minecraft.client.multiplayer.MultiPlayerGameMode
net.minecraft.client.renderer.block.BlockStateModelSet
net.minecraft.client.renderer.block.dispatch.BlockStateModel
net.minecraft.client.renderer.block.dispatch.BlockStateModelPart
net.minecraft.client.renderer.texture.AbstractTexture
net.minecraft.client.renderer.texture.SpriteContents
net.minecraft.client.renderer.texture.TextureAtlasSprite
net.minecraft.client.renderer.texture.TextureManager
net.minecraft.client.resources.model.ModelManager
net.minecraft.client.resources.model.geometry.BakedQuad
net.minecraft.client.resources.model.geometry.BakedQuad.MaterialInfo
net.minecraft.core.component.DataComponents
net.minecraft.network.chat.Style
net.minecraft.server.permissions.Permission
net.minecraft.server.permissions.Permission.HasCommandLevel
net.minecraft.server.permissions.PermissionLevel
net.minecraft.server.permissions.PermissionSet
net.minecraft.util.ARGB
net.minecraft.world.entity.player.Inventory
net.minecraft.world.item.Item.TooltipContext
net.minecraft.world.item.component.DyedItemColor
net.minecraft.client.gui.components.toasts.Toast
and 35 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

Search for blocks based on the dominant colours in their textures.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file mcrgb-0.4+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

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