fix

src/main/java/dev/ithundxr/railwaystweaks/mixin/ServerStatusPacketListenerImplMixin.java

@@ -0,0 +1,45 @@
+package dev.ithundxr.railwaystweaks.mixin;
+
+import com.mojang.authlib.GameProfile;
+import net.minecraft.network.Connection;
+import net.minecraft.network.protocol.status.ServerStatus;
+import net.minecraft.server.network.ServerStatusPacketListenerImpl;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Mutable;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+@Mixin(ServerStatusPacketListenerImpl.class)
+public class ServerStatusPacketListenerImplMixin {
+    @Shadow @Mutable @Final private ServerStatus status;
+
+    @Inject(method = "<init>", at = @At("TAIL"))
+    private void railwaysTweaks$noSpying(ServerStatus status, Connection connection, CallbackInfo ci) {
+        List<String> names = List.of("Stop", "Trying", "To", "Spy");
+        List<GameProfile> profiles = new ArrayList<>();
+
+        for (String name : names) {
+            profiles.add(new GameProfile(UUID.randomUUID(), name));
+        }
+
+        Optional<ServerStatus.Players> players = Optional.of(new ServerStatus.Players(
+                1, 1, profiles
+        ));
+
+        this.status = new ServerStatus(
+                status.description(),
+                players,
+                status.version(),
+                status.favicon(),
+                status.enforcesSecureChat()
+        );
+    }
+}

src/main/resources/railwaystweaks.mixins.json

@@ -4,7 +4,8 @@
   "package": "dev.ithundxr.railwaystweaks.mixin",
   "compatibilityLevel": "JAVA_17",
   "mixins": [
-    "LivingEntityMixin"
+    "LivingEntityMixin",
+    "ServerStatusPacketListenerImplMixin"
   ],
   "client": [
     "client.HttpTextureMixin",