First Steps

Evidence

Ran on Kiln's test stand (2026-11-04): FirstStepsServerMod did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/chunk/ChunkAccess; FirstStepsClientMod did not start: java.lang.NoClassDefFoundError: net/minecraft/network/chat/FormattedText.

What it needs from Kiln

• 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.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• 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.Disconnect
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.client.multiplayer.MultiPlayerGameMode
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.resources.language.I18n
• net.minecraft.client.server.IntegratedServer
• net.minecraft.core.RegistryAccess
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.chat.Style
• net.minecraft.network.chat.TextColor
• 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.level.ServerChunkCache
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.server.players.PlayerList
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.ClipContext
• net.minecraft.world.level.ClipContext.Block
• net.minecraft.world.level.ClipContext.Fluid
• net.minecraft.world.level.GameType
• net.minecraft.world.level.chunk.LevelChunk
• net.minecraft.world.level.levelgen.Heightmap
• and 55 more

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

In the author's words

Displays a title when entering structures

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file first-steps-26x-2.30.jar. The scan reads the mod's classes; it does not run them.