Cosmiq

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

Evidence

Ran on Kiln's test stand (2026-11-04): CosmiqEditorFabricMain did not start: java.lang.NoSuchMethodError: 'java.util.List net.fabricmc.loader.api.FabricLoader.getEntrypointContainers(java.lang.String, java.lang.Class)'; CosmiqEditorFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/server/packs/resources/PreparableReloadListener.

What it needs from Kiln

Mixin
com.mojang.authlib.GameProfile
com.mojang.authlib.exceptions.AuthenticationException
com.mojang.authlib.exceptions.AuthenticationUnavailableException
com.mojang.authlib.exceptions.InvalidCredentialsException
com.mojang.authlib.minecraft.MinecraftProfileTexture
com.mojang.authlib.minecraft.MinecraftProfileTextures
com.mojang.authlib.minecraft.SessionService
com.mojang.authlib.minecraft.UserApiService
com.mojang.authlib.minecraft.UserApiService.UserProperties
com.mojang.authlib.properties.Property
com.mojang.authlib.properties.PropertyMap
com.mojang.authlib.services.MinecraftServicesDiscoveryService
com.mojang.authlib.services.ProfileResult
com.mojang.blaze3d.Blaze3D
com.mojang.blaze3d.ProjectionType
com.mojang.blaze3d.audio.Channel
com.mojang.blaze3d.audio.Library
com.mojang.blaze3d.audio.Library.Pool
com.mojang.blaze3d.audio.SoundBuffer
com.mojang.blaze3d.font.GlyphInfo
com.mojang.blaze3d.framegraph.FrameGraphBuilder
com.mojang.blaze3d.pipeline.RenderTarget
com.mojang.blaze3d.pipeline.TextureTarget
com.mojang.blaze3d.platform.InputConstants.Key
com.mojang.blaze3d.platform.NativeImage
com.mojang.blaze3d.platform.TextInputManager
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.resource.CrossFrameResourcePool
com.mojang.blaze3d.systems.RenderSystem
com.mojang.blaze3d.systems.SamplerCache
com.mojang.blaze3d.vertex.PoseStack
com.mojang.blaze3d.vertex.PoseStack.Pose
com.mojang.blaze3d.vertex.VertexConsumer
com.mojang.renderpearl.api.GpuFormat
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.RenderPass
com.mojang.renderpearl.api.device.GpuDevice
and 81 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 new cosmetic platform with multiplayer support

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file cosmiq-0.3.7.5-26.3-fabric.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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