diff --git a/.gitignore b/.gitignore
index 7eefc56..2be294e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ target/
 forwarding.secret
 progress.properties
 progress.properties.tmp
+admins.txt
diff --git a/src/main/java/eu/mhsl/minecraft/endlessjumper/Admins.java b/src/main/java/eu/mhsl/minecraft/endlessjumper/Admins.java
new file mode 100644
index 0000000..0cf3983
--- /dev/null
+++ b/src/main/java/eu/mhsl/minecraft/endlessjumper/Admins.java
@@ -0,0 +1,32 @@
+package eu.mhsl.minecraft.endlessjumper;
+
+import net.minestom.server.entity.Player;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Set;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+/**
+ * Admins aus admins.txt im Arbeitsverzeichnis: eine UUID pro Zeile, „#“ leitet einen Kommentar ein.
+ * Der Limbo kennt kein LuckPerms, die Datei wird aus dessen Admin-Gruppen erzeugt.
+ */
+public class Admins {
+    private static final Path FILE = Path.of("admins.txt");
+    private static Set<UUID> admins = Set.of();
+
+    public static void load() throws IOException {
+        if(!Files.exists(FILE)) return;
+        admins = Files.readAllLines(FILE).stream()
+            .map(line -> line.replaceFirst("#.*", "").trim())
+            .filter(line -> !line.isEmpty())
+            .map(UUID::fromString)
+            .collect(Collectors.toUnmodifiableSet());
+    }
+
+    public static boolean is(Player player) {
+        return admins.contains(player.getUuid());
+    }
+}
diff --git a/src/main/java/eu/mhsl/minecraft/endlessjumper/EndlessJumper.java b/src/main/java/eu/mhsl/minecraft/endlessjumper/EndlessJumper.java
index 02787d2..380fd43 100644
--- a/src/main/java/eu/mhsl/minecraft/endlessjumper/EndlessJumper.java
+++ b/src/main/java/eu/mhsl/minecraft/endlessjumper/EndlessJumper.java
@@ -4,6 +4,8 @@ import eu.mhsl.minecraft.endlessjumper.generator.JumpGenerator;
 import net.minestom.server.Auth;
 import net.minestom.server.MinecraftServer;
 import net.minestom.server.command.builder.Command;
+import net.minestom.server.command.builder.arguments.ArgumentType;
+import net.minestom.server.command.builder.arguments.ArgumentWord;
 import net.minestom.server.coordinate.Vec;
 import net.minestom.server.coordinate.Pos;
 import net.minestom.server.entity.Player;
@@ -37,6 +39,7 @@ public class EndlessJumper {
     public static void main(String[] args) throws IOException {
         MinecraftServer server = MinecraftServer.init(new Auth.Velocity(readForwardingSecret()));
         Progress.load();
+        Admins.load();
         GlobalEventHandler eventHandler = MinecraftServer.getGlobalEventHandler();
         PlayerSkin skin = PlayerSkin.fromUsername("Notch");
 
@@ -96,6 +99,13 @@ public class EndlessJumper {
         });
         MinecraftServer.getCommandManager().register(reset);
 
+        // nur für Admins (admins.txt): Joker zum Testen direkt geben
+        Command joker = new Command("joker");
+        joker.setCondition((sender, commandString) -> sender instanceof Player player && Admins.is(player));
+        ArgumentWord type = ArgumentType.Word("typ").from(Jokers.keys());
+        joker.addSyntax((sender, context) -> Jokers.byKey(context.get(type)).add((Player) sender), type);
+        MinecraftServer.getCommandManager().register(joker);
+
         server.start("0.0.0.0", 25501);
     }
 
diff --git a/src/main/java/eu/mhsl/minecraft/endlessjumper/Jokers.java b/src/main/java/eu/mhsl/minecraft/endlessjumper/Jokers.java
index ad02e3d..f2362f1 100644
--- a/src/main/java/eu/mhsl/minecraft/endlessjumper/Jokers.java
+++ b/src/main/java/eu/mhsl/minecraft/endlessjumper/Jokers.java
@@ -15,16 +15,19 @@ import java.util.Random;
  * Strecke; wer bei 0 beginnt, bekommt ein Totem. Das Totem wirkt automatisch, die anderen per Rechtsklick (siehe JumpGenerator#useJoker).
  */
 public enum Jokers {
-    BRIDGE(0, Material.BRICK, "Brücke", NamedTextColor.AQUA, "Rechtsklick: Weg über die nächsten 10 Blöcke"),
-    FEATHER_FALL(1, Material.FEATHER, "Federfall", NamedTextColor.WHITE, "Rechtsklick: 15 Sekunden langsames Fallen"),
-    SPRING(2, Material.RABBIT_FOOT, "Sprungfeder", NamedTextColor.GREEN, "Rechtsklick: die nächsten 10 Sprünge mit Sprungkraft"),
-    TOTEM(8, Material.TOTEM_OF_UNDYING, "Rettungstotem", NamedTextColor.GOLD, "Rettet dich automatisch beim Runterfallen");
+    BRIDGE("bruecke", 0, Material.BRICK, "Brücke", NamedTextColor.AQUA, "Rechtsklick: Weg über die nächsten 10 Blöcke"),
+    FEATHER_FALL("federfall", 1, Material.FEATHER, "Federfall", NamedTextColor.WHITE, "Rechtsklick: 15 Sekunden langsames Fallen"),
+    SPRING("sprungfeder", 2, Material.RABBIT_FOOT, "Sprungfeder", NamedTextColor.GREEN, "Rechtsklick: die nächsten 10 Sprünge mit Sprungkraft"),
+    TOTEM("totem", 8, Material.TOTEM_OF_UNDYING, "Rettungstotem", NamedTextColor.GOLD, "Rettet dich automatisch beim Runterfallen");
 
+    // Name im Befehl /joker (Brigadier erlaubt keine Umlaute)
+    private final String key;
     private final int slot;
     private final String name;
     private final ItemStack item;
 
-    Jokers(int slot, Material material, String name, TextColor color, String lore) {
+    Jokers(String key, int slot, Material material, String name, TextColor color, String lore) {
+        this.key = key;
         this.slot = slot;
         this.name = name;
         this.item = ItemStack.builder(material)
@@ -62,6 +65,19 @@ public enum Jokers {
         return values()[random.nextInt(values().length)];
     }
 
+    public static String[] keys() {
+        String[] keys = new String[values().length];
+        for(Jokers joker : values()) keys[joker.ordinal()] = joker.key;
+        return keys;
+    }
+
+    public static Jokers byKey(String key) {
+        for(Jokers joker : values()) {
+            if(joker.key.equals(key)) return joker;
+        }
+        return null;
+    }
+
     public static Jokers of(ItemStack stack) {
         for(Jokers joker : values()) {
             if(joker.matches(stack)) return joker;