CraftPresence

Calls something that is not on Kiln's roadmap yet. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): CraftPresenceFabric did not start: java.lang.UnsupportedOperationException: Unable to initialize CraftPresence! UniLib (unilib) is required to run this mod (Requires 1.2.0 or above).

What it needs from Kiln

an access widener
com.mojang.authlib.GameProfile
com.mojang.realmsclient.RealmsMainScreen
com.mojang.realmsclient.dto.RealmsServer
com.mojang.realmsclient.dto.RealmsServer.WorldType
net.minecraft.DefaultUncaughtExceptionHandler
net.minecraft.client.Options
net.minecraft.client.gui.screens.ConnectScreen
net.minecraft.client.gui.screens.TitleScreen
net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
net.minecraft.client.input.KeyEvent
net.minecraft.client.input.MouseButtonEvent
net.minecraft.client.multiplayer.MultiPlayerGameMode
net.minecraft.client.multiplayer.PlayerInfo
net.minecraft.client.multiplayer.ServerData
net.minecraft.client.multiplayer.ServerData.State
net.minecraft.client.multiplayer.ServerData.Type
net.minecraft.client.multiplayer.ServerList
net.minecraft.client.multiplayer.ServerStatusPinger
net.minecraft.client.multiplayer.resolver.ServerAddress
net.minecraft.client.server.IntegratedServer
net.minecraft.core.RegistryAccess
net.minecraft.network.chat.CommonComponents
net.minecraft.realms.RealmsScreen
net.minecraft.server.MinecraftServer
net.minecraft.server.network.EventLoopGroupHolder
net.minecraft.world.Difficulty
net.minecraft.world.entity.EntityType
net.minecraft.world.entity.EquipmentSlot
net.minecraft.world.level.GameType
net.minecraft.world.level.biome.Biome
net.minecraft.world.level.storage.LevelData
net.minecraft.world.level.storage.WorldData
net.minecraft.world.phys.EntityHitResult
Minecraft.gameMode
Minecraft.getCurrentServer()
Minecraft.getSingleplayerServer()
Minecraft.hitResult
Minecraft.isLocalServer()
Minecraft.options
ClientPacketListener.getOnlinePlayers()
and 14 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Completely Customize the way others see you play in Discord!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file CraftPresence-2.7.1+26.3-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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