clientcommands

Evidence

Ran on Kiln's test stand (2026-11-04): ClientCommandsServer did not start: java.lang.NoClassDefFoundError: net/minecraft/network/chat/ClickEvent; ClientCommands did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.blaze3d.Blaze3D
• com.mojang.blaze3d.platform.FramerateLimitTracker
• com.mojang.blaze3d.platform.Monitor
• com.mojang.blaze3d.platform.MonitorManager
• com.mojang.blaze3d.platform.NativeImage
• com.mojang.blaze3d.platform.NativeImage.Format
• com.mojang.blaze3d.platform.VideoMode
• com.mojang.blaze3d.platform.Window
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.blaze3d.vertex.PoseStack.Pose
• com.mojang.blaze3d.vertex.VertexConsumer
• com.mojang.renderpearl.api.pipeline.ColorTargetState
• com.mojang.renderpearl.api.pipeline.CompareOp
• 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
• io.netty.buffer.ByteBuf
• io.netty.buffer.Unpooled
• io.netty.channel.Channel
• io.netty.channel.ChannelPipeline
• io.netty.handler.codec.EncoderException
• net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback
• net.fabricmc.fabric.api.client.command.v2.ClientCommands
• net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.rendering.v1.RenderStateDataKey
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionContext
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionEvents
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionEvents.EndExtraction
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderContext
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents.CollectSubmits
• net.fabricmc.fabric.api.creativetab.v1.FabricCreativeModeTab
• net.fabricmc.fabric.api.event.EventFactory
• net.fabricmc.fabric.api.networking.v1.FriendlyByteBufs
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• 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

Adds useful client-side commands

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file clientcommands-2.16.3.jar. The scan reads the mod's classes; it does not run them.