Fixes

src/main/java/io/github/skippyall/minions/command/ListSubcommand.java

@@ -0,0 +1,25 @@
+package io.github.skippyall.minions.command;
+
+import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+import com.mojang.brigadier.context.CommandContext;
+import io.github.skippyall.minions.minion.MinionData;
+import io.github.skippyall.minions.minion.MinionPersistentState;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.Text;
+
+import java.util.Collection;
+
+import static net.minecraft.server.command.CommandManager.literal;
+
+public class ListSubcommand {
+    public static final LiteralArgumentBuilder<ServerCommandSource> LIST = literal("list")
+            .executes(ListSubcommand::list);
+
+    public static int list(CommandContext<ServerCommandSource> context) {
+        Collection<MinionData> minions = MinionPersistentState.INSTANCE.getMinionData().values();
+        for (MinionData minion : minions) {
+            context.getSource().sendFeedback(() -> Text.literal(minion.name() + "(" + minion.uuid() + "):" + minion.isSpawned()), false);
+        }
+        return 0;
+    }
+}

src/main/java/io/github/skippyall/minions/command/MinionArgument.java

@@ -1,8 +1,6 @@
 package io.github.skippyall.minions.command;
 
-import com.mojang.brigadier.Message;
 import com.mojang.brigadier.context.CommandContext;
-import com.mojang.brigadier.exceptions.CommandExceptionType;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
 import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
 import com.mojang.brigadier.suggestion.SuggestionProvider;

src/main/java/io/github/skippyall/minions/command/MinionsCommand.java

@@ -11,6 +11,7 @@ public class MinionsCommand {
                 literal("minions")
                         .then(SpawnSubcommand.SPAWN)
                         .then(MobCapDebugSubcommand.MOB_CAP_DEBUG)
+                        .then(ListSubcommand.LIST)
         );
     }