Visit Ur Friends

Evidence

Ran on Kiln's test stand (2026-11-04): VisitUrFriends did not start: java.lang.NoSuchFieldError: Class net.minecraft.core.registries.BuiltInRegistries does not have member field 'net.minecraft.core.Registry DATA_COMPONENT_TYPE'; ClientConnectHandler did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/TitleScreen; AutoLanHandler did not start: java.lang.NoClassDefFoundError: net/minecraft/server/MinecraftServ.

What it needs from Kiln

• 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.ServerStopping
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.StartTick
• 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.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.client.User
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.toasts.SystemToast
• net.minecraft.client.gui.components.toasts.SystemToast.SystemToastId
• net.minecraft.client.gui.screens.ConnectScreen
• net.minecraft.client.gui.screens.GenericMessageScreen
• net.minecraft.client.gui.screens.TitleScreen
• net.minecraft.client.gui.screens.worldselection.SelectWorldScreen
• net.minecraft.client.gui.screens.worldselection.WorldOpenFlows
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.multiplayer.ServerData.Type
• net.minecraft.client.multiplayer.resolver.ServerAddress
• net.minecraft.core.Direction.Axis
• net.minecraft.core.Direction.AxisDirection
• net.minecraft.core.RegistryAccess
• net.minecraft.core.UUIDUtil
• net.minecraft.core.component.DataComponentType
• net.minecraft.core.component.DataComponentType.Builder
• and 56 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

Visit friends without a server: throw a Destination Book into a Nether portal and step through to join your friend's singleplayer world.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file visiturfriends-0.3.0+26.3.jar. The scan reads the mod's classes; it does not run them.