LocalRTP

Evidence

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

What it needs from Kiln

• 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.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.EndDataPackReload
• 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.Join
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.BlockPos.MutableBlockPos
• net.minecraft.network.RegistryFriendlyByteBuf
• 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.players.PlayerList
• net.minecraft.tags.BlockTags
• net.minecraft.tags.FluidTags
• net.minecraft.world.level.chunk.status.ChunkStatus
• net.minecraft.world.level.levelgen.Heightmap
• net.minecraft.world.level.levelgen.Heightmap.Types
• net.minecraft.world.level.material.FluidState
• Minecraft.execute()
• Minecraft.hasSingleplayerServer()
• ServerLevel.getChunk()
• ServerLevel.getHeight()
• ServerLevel.getMaxY()
• ServerLevel.getMinY()
• ServerPlayer.getXRot()
• ServerPlayer.getYRot()
• and 13 more

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

In the author's words

Random teleport relative to player position. Type /rtp, wait out the countdown, and land somewhere safe around you.

Scan

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