MultiScoreboard

Evidence

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

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.Window
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• 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.networking.v1.PacketSender
• 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.minecraft.advancements.predicates.NbtPredicate
• net.minecraft.client.Options
• net.minecraft.client.gui.Hud
• net.minecraft.commands.arguments.NbtPathArgument
• net.minecraft.commands.arguments.NbtPathArgument.NbtPath
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.core.UUIDUtil
• net.minecraft.nbt.ByteTag
• net.minecraft.nbt.CollectionTag
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.DoubleTag
• net.minecraft.nbt.FloatTag
• net.minecraft.nbt.IntTag
• net.minecraft.nbt.LongTag
• net.minecraft.nbt.ShortTag
• net.minecraft.nbt.StringTag
• net.minecraft.nbt.Tag
• net.minecraft.nbt.TagVisitor
• net.minecraft.network.chat.Style
• net.minecraft.network.chat.numbers.StyledFormat
• 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.commands.data.DataAccessor
• net.minecraft.server.players.PlayerList
• and 33 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

Allows viewing multiple scoreboards and nbt data on the sidebar at the same time

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file multiscoreboard-1.6.0+26.3.jar. The scan reads the mod's classes; it does not run them.