MRU

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

Evidence

Ran on Kiln's test stand (2026-11-04): FabricEvents did not start: java.lang.NoSuchMethodError: 'void net.fabricmc.loader.api.FabricLoader.invokeEntrypoints(java.lang.String, java.lang.Class, java.util.function.Consumer)'; FabricClientEvents did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

an access widener
Mixin
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
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.networking.v1.PayloadTypeRegistry
net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
net.minecraft.network.codec.ByteBufCodecs
net.minecraft.network.codec.StreamCodec
net.minecraft.network.protocol.common.custom.CustomPacketPayload
net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
net.minecraft.server.MinecraftServer
net.minecraft.server.network.ServerGamePacketListenerImpl
net.minecraft.server.players.PlayerList
FabricLoader.invokeEntrypoints()
Minecraft.isLocalServer()
LocalPlayer.canUseGameMasterBlocks()
ServerPlayer.canUseGameMasterBlocks()
ServerPlayer.connection

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 library mod used by Cassian and IMB11's mods to function.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file mru-1.0.45+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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