Café Core

Evidence

Ran on Kiln's test stand (2026-11-04): CafeCore did not start: java.lang.NoSuchMethodError: 'java.util.Optional net.fabricmc.loader.api.FabricLoader.getModContainer(java.lang.String)'.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndLevelTick
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.StartLevelTick
• net.fabricmc.fabric.api.event.player.UseEntityCallback
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModDependency
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.particles.DustParticleOptions
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.network.chat.HoverEvent
• net.minecraft.network.chat.HoverEvent.ShowText
• net.minecraft.network.chat.Style
• net.minecraft.network.syncher.EntityDataAccessor
• net.minecraft.network.syncher.SynchedEntityData
• net.minecraft.server.MinecraftServer
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.tags.TagKey
• net.minecraft.world.entity.Bucketable
• net.minecraft.world.entity.EntityReference
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.Mob
• net.minecraft.world.entity.TamableAnimal
• net.minecraft.world.entity.ai.Brain
• net.minecraft.world.entity.ai.memory.MemoryModuleType
• net.minecraft.world.entity.animal.allay.Allay
• net.minecraft.world.entity.animal.equine.AbstractHorse
• net.minecraft.world.entity.animal.equine.SkeletonHorse
• net.minecraft.world.entity.animal.feline.Ocelot
• net.minecraft.world.entity.animal.fox.Fox
• and 18 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

Core library mod by Café Leblanć. Provides shared systems and utilities used by other mods from the same studio. Not standalone — required only as a dependency.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file cafecore-1.1.1.jar. The scan reads the mod's classes; it does not run them.