Planned

NPC Studio

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

Evidence

Ran on Kiln's test stand (2026-11-04): NpcStudioFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; NpcStudioFabricClient did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/model/loading/v1/ModelLoadingPlugin.

What it needs from Kiln

Mixin
com.mojang.authlib.GameProfile
com.mojang.authlib.minecraft.SessionService
com.mojang.authlib.services.ProfileResult
com.mojang.blaze3d.ProjectionType
com.mojang.blaze3d.buffers.Std140Builder
com.mojang.blaze3d.buffers.Std140SizeCalculator
com.mojang.blaze3d.pipeline.RenderTarget
com.mojang.blaze3d.pipeline.TextureTarget
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.NativeImage.Format
com.mojang.blaze3d.platform.TextInputManager
com.mojang.blaze3d.platform.TextureUtil
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.platform.cursor.CursorTypes
com.mojang.blaze3d.systems.RenderSystem
com.mojang.blaze3d.systems.RenderSystem.AutoStorageIndexBuffer
com.mojang.blaze3d.systems.SamplerCache
com.mojang.blaze3d.vertex.BufferBuilder
com.mojang.blaze3d.vertex.ByteBufferBuilder
com.mojang.blaze3d.vertex.DefaultVertexFormat
com.mojang.blaze3d.vertex.MeshData
com.mojang.blaze3d.vertex.MeshData.DrawState
com.mojang.blaze3d.vertex.MeshData.SortState
com.mojang.blaze3d.vertex.PoseStack
com.mojang.blaze3d.vertex.PoseStack.Pose
com.mojang.blaze3d.vertex.QuadInstance
com.mojang.blaze3d.vertex.SheetedDecalTextureGenerator
com.mojang.blaze3d.vertex.VertexConsumer
com.mojang.math.Axis
com.mojang.math.MatrixUtil
com.mojang.renderpearl.api.GpuFormat
com.mojang.renderpearl.api.buffers.GpuBuffer
com.mojang.renderpearl.api.commands.CommandEncoder
com.mojang.renderpearl.api.commands.RenderPass
com.mojang.renderpearl.api.device.DeviceInfo
com.mojang.renderpearl.api.device.GpuDevice
com.mojang.renderpearl.api.pipeline.BindGroupLayout
and 82 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

Be the director of your best thumbnail yet.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file NPCStudio-1.3.8-mc26.3-fabric.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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