diff --git a/.bazelrc b/.bazelrc
index d3eb78f..7746d6d 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -1,7 +1,9 @@
-build --java_language_version=25
-build --java_runtime_version=25
-build --tool_java_language_version=25
-build --tool_java_runtime_version=25
 build --define=maven_repo=https://git.lab0x13.site/api/packages/scrow/maven
 build --remote_cache=https://cache.lab0x13.site
-build --remote_upload_local_results=false
\ No newline at end of file
+build --remote_upload_local_results=false
+
+build --tool_java_runtime_version=25
+build --java_runtime_version=25
+build --tool_java_language_version=25
+build --java_language_version=25
+build --noexperimental_merged_skyframe_analysis_execution
\ No newline at end of file
diff --git a/.rundevserver/run dev server.run.xml b/.rundevserver/run dev server.run.xml
index 8d13d97..5386516 100644
--- a/.rundevserver/run dev server.run.xml	
+++ b/.rundevserver/run dev server.run.xml	
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="run dev server" type="ShConfigurationType">
-    <option name="SCRIPT_TEXT" value="bazel run //dev-server:dev" />
+    <option name="SCRIPT_TEXT" value="bazel run //build:dev" />
     <option name="INDEPENDENT_SCRIPT_PATH" value="true" />
     <option name="SCRIPT_PATH" value="" />
     <option name="SCRIPT_OPTIONS" value="" />
diff --git a/MODULE.bazel b/MODULE.bazel
index a0b8258..69f7bd4 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -27,12 +27,14 @@ maven.install(
         "org.postgresql:postgresql:42.7.12",
         "org.mongodb:bson:5.8.0",
         "io.nats:jnats:2.25.2",
-        "de.kentoj.scrow:kencommandapi-core:0.36-SNAPSHOT",
-        "de.kentoj.scrow:kencommandapi-bukkit:0.36-SNAPSHOT",
-        "de.kentoj.scrow:kencommandapi-velocity:0.36-SNAPSHOT",
+        "de.kentoj.scrow:kencommandapi-core:0.41-SNAPSHOT",
+        "de.kentoj.scrow:kencommandapi-bukkit:0.41-SNAPSHOT",
+        "de.kentoj.scrow:kencommandapi-velocity:0.41-SNAPSHOT",
         "io.papermc.paper:paper-api:[26.2.build,)",
         "net.luckperms:api:5.5",
+        "com.google.code.gson:gson:2.14.0",
     ],
+    fetch_sources = True,
     repositories = [
         "https://repo.papermc.io/repository/maven-public/",
         "https://git.lab0x13.site/api/packages/scrow/maven",
diff --git a/README.md b/README.md
index ae64511..2333c18 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,12 @@
 - make dev-server use $DOCKER and fallback to docker if podman is not available.
 - refactor BUILD files: MODULES.bazel
 
+## core
+- convert commands to new api
+- CommandExecutor now has a style parameter which is always MessageStyle(not ScrowMessageStyle),
+  this kinda sucks. i could merge kencommandapi into core or make it more flexible(but then i need even more generics)
+  need to think about this.
+
 ## bukkit
 - MAKE A MINIGAME FIRST
 - notification: Friend is now offline/online
diff --git a/buildserver/BUILD b/buildserver/BUILD
new file mode 100644
index 0000000..e69de29
diff --git a/buildserver/configurator/BUILD b/buildserver/configurator/BUILD
new file mode 100644
index 0000000..21b9853
--- /dev/null
+++ b/buildserver/configurator/BUILD
@@ -0,0 +1,26 @@
+load("@rules_jvm_external//:defs.bzl", "artifact")
+load("@rules_java//java:java_binary.bzl", "java_binary")
+
+java_binary(
+    name = "_plugin",
+    srcs = glob(["main/java/**/*.java"]),
+    create_executable = False,
+    resources = glob(["main/resources/**"]),
+    resource_strip_prefix = "buildserver/configurator/main/resources",
+    deps = [
+        "//core/bukkit:api",
+        artifact("com.google.code.gson:gson"),
+        artifact("io.papermc.paper:paper-api"),
+    ],
+    add_exports = [
+        artifact("com.google.code.gson:gson"),
+    ],
+)
+
+genrule(
+    name = "plugin",
+    srcs = [":_plugin_deploy.jar"],
+    outs = ["plugin.jar"],
+    cmd = "cp $< $@",
+    visibility = ["//visibility:public"],
+)
\ No newline at end of file
diff --git a/buildserver/configurator/README.md b/buildserver/configurator/README.md
new file mode 100644
index 0000000..351821e
--- /dev/null
+++ b/buildserver/configurator/README.md
@@ -0,0 +1,40 @@
+# configurator
+
+helper for generating json configs interactively.
+Plugins that hook into this plugin can register configuration nodes like "lobby.spawnpoint" with type Location.
+server operators can then go ingame and do `/cfg key lobby.spawnpoint` to set a spawn location and then
+`/cfg export` ig
+
+## TODO
+
+- lists
+- exporting
+- proper namespaces
+- split into api and impl
+- more types(region pickers especially; also itemstacks)
+- type variants like location without yaw/pitch
+
+## design
+
+in json we have primitives(like "hi", 1, false"), structures(like {"foo":"bar}) and lists(like []).
+everything consists of primitives eventually so we can go from
+
+```json
+{
+  "arenas": [
+    {
+      "name": "skyfall",
+      "minPlayers": 3,
+      "maxPlayers": 8
+    }
+  ]
+}
+```
+to
+```text
+arenas.0.name = Primitive("skyfall")
+arenas.0.minPlayers = Primitive(3)
+arenas.0.maxPlayers = Primitive(8)
+```
+
+We can define a complex type as "type has a string field called name" and it will just use 
\ No newline at end of file
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/ConfiguratorPlugin.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/ConfiguratorPlugin.java
new file mode 100644
index 0000000..35064bd
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/ConfiguratorPlugin.java
@@ -0,0 +1,18 @@
+package site.lab0x13.scrow.configurator;
+
+import de.kentoj.scrow.bukkit.ScrowAPI;
+import org.bukkit.plugin.java.JavaPlugin;
+import site.lab0x13.scrow.configurator.command.ConfigCommand;
+import site.lab0x13.scrow.configurator.node.ConfigRootNode;
+import site.lab0x13.scrow.configurator.node.ConfigValueNode;
+import site.lab0x13.scrow.configurator.type.location.LocationConfigType;
+
+public class ConfiguratorPlugin extends JavaPlugin {
+
+    @Override
+    public void onEnable() {
+        ConfigRootNode nodeRegistry = new ConfigRootNode();
+        nodeRegistry.register("spawnLocation", new ConfigValueNode<>(LocationConfigType.INSTANCE));
+        ScrowAPI.playerCommands().register(new ConfigCommand(nodeRegistry).rootLiteral());
+    }
+}
\ No newline at end of file
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/ConfigOptionAction.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/ConfigOptionAction.java
new file mode 100644
index 0000000..ccf44d1
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/ConfigOptionAction.java
@@ -0,0 +1,26 @@
+package site.lab0x13.scrow.configurator.action;
+
+import de.kentoj.kencommandapi.api.argument.CommandArgumentSpec;
+import de.kentoj.kencommandapi.api.invocation.CommandContext;
+import de.kentoj.kencommandapi.api.platform.MessageStyle;
+import org.bukkit.entity.Player;
+
+import java.util.List;
+
+public interface ConfigOptionAction<T> {
+
+    /* FIXME not too clean */
+    List<ConfigOptionAction<?>> GLOBAL_ACTIONS = List.of(new GlobalShowAction<>());
+
+    String name();
+
+    List<CommandArgumentSpec<Player, ?>> arguments();
+
+    boolean requiresValue();
+
+    void execute(
+            MessageStyle style,
+            T node,
+            CommandContext<Player> ctx
+    );
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/GlobalShowAction.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/GlobalShowAction.java
new file mode 100644
index 0000000..d355603
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/GlobalShowAction.java
@@ -0,0 +1,44 @@
+package site.lab0x13.scrow.configurator.action;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonElement;
+import de.kentoj.kencommandapi.api.argument.CommandArgumentSpec;
+import de.kentoj.kencommandapi.api.invocation.CommandContext;
+import de.kentoj.kencommandapi.api.platform.MessageStyle;
+import de.kentoj.scrowlib.convention.ScrowMessageStyle;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.ClickEvent;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+
+import java.util.List;
+
+public final class GlobalShowAction<S extends ConfigNode<S>> implements ConfigOptionAction<S> {
+
+    private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
+
+    @Override
+    public String name() {
+        return "show";
+    }
+
+    @Override
+    public List<CommandArgumentSpec<Player, ?>> arguments() {
+        return List.of();
+    }
+
+    @Override
+    public boolean requiresValue() {
+        return true;
+    }
+
+    @Override
+    public void execute(MessageStyle style, S node, CommandContext<Player> ctx) {
+        var jsonElement = node.type().serialize(node.value());
+        var prettyJson = GSON.toJson(jsonElement, JsonElement.class);
+        var component = Component.text(prettyJson + " [click to copy]")
+                .clickEvent(ClickEvent.copyToClipboard(prettyJson));
+        ctx.sender().sendMessage(style.ok(component));
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/PickAction.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/PickAction.java
new file mode 100644
index 0000000..8a8b086
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/PickAction.java
@@ -0,0 +1,43 @@
+package site.lab0x13.scrow.configurator.action;
+
+import de.kentoj.kencommandapi.api.argument.CommandArgumentSpec;
+import de.kentoj.kencommandapi.api.invocation.CommandContext;
+import de.kentoj.kencommandapi.api.platform.MessageStyle;
+import org.bukkit.Sound;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+public abstract class PickAction<S, T extends ConfigNode<S>> implements ConfigOptionAction<T> {
+
+    protected abstract CompletableFuture<S> pick(Player player);
+
+    @Override
+    public String name() {
+        return "pick";
+    }
+
+    @Override
+    public List<CommandArgumentSpec<Player, ?>> arguments() {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public void execute(MessageStyle style, T node, CommandContext<Player> ctx) {
+        pick(ctx.sender())
+                .orTimeout(10, TimeUnit.MINUTES)
+                .whenComplete((picked, ex) -> {
+                    if (ex instanceof TimeoutException) {
+                        ctx.sender().sendMessage(style.err("Timed out picking value."));
+                    }
+
+                    node.value(picked);
+                    ctx.sender().playSound(ctx.sender().getLocation(), Sound.ENTITY_EXPERIENCE_ORB_PICKUP, 0.5f, 0f);
+                });
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/ValuePicker.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/ValuePicker.java
new file mode 100644
index 0000000..677e221
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/action/ValuePicker.java
@@ -0,0 +1,10 @@
+package site.lab0x13.scrow.configurator.action;
+
+import org.bukkit.entity.Player;
+
+import java.util.concurrent.CompletableFuture;
+
+public interface ValuePicker<T> {
+
+    CompletableFuture<T> pick(Player player);
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/ConfigCommand.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/ConfigCommand.java
new file mode 100644
index 0000000..e55edd4
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/ConfigCommand.java
@@ -0,0 +1,25 @@
+package site.lab0x13.scrow.configurator.command;
+
+import de.kentoj.kencommandapi.api.literal.Literal;
+import de.kentoj.kencommandapi.api.literal.RootLiteral;
+import de.kentoj.scrowlib.convention.ScrowMessageStyle;
+import net.kyori.adventure.text.format.TextColor;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.configurator.node.ConfigRootNode;
+import site.lab0x13.scrow.configurator.noderegistry.ConfigNodeWalker;
+
+public final class ConfigCommand {
+    private final RootLiteral<Player> rootLiteral;
+
+    public ConfigCommand(ConfigRootNode nodeRegistry) {
+        var style = new ScrowMessageStyle("config", TextColor.color(0x28B088));
+        rootLiteral = Literal.<Player>builder("config", "cfg")
+                .withPermission("command.config")
+                .withLiteral(new KeyLiteral(style, new ConfigNodeWalker(nodeRegistry)).literal())
+                .asRootLiteral(style);
+    }
+
+    public RootLiteral<Player> rootLiteral() {
+        return rootLiteral;
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/ConfigNodeArgumentType.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/ConfigNodeArgumentType.java
new file mode 100644
index 0000000..e018158
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/ConfigNodeArgumentType.java
@@ -0,0 +1,53 @@
+package site.lab0x13.scrow.configurator.command;
+
+import com.leakyabstractions.result.api.Result;
+import com.leakyabstractions.result.core.Results;
+import de.kentoj.kencommandapi.api.argument.ArgumentType;
+import de.kentoj.kencommandapi.api.suggestion.SuggestionProvider;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.configurator.node.ConfigListNode;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+import site.lab0x13.scrow.configurator.node.ConfigRootNode;
+import site.lab0x13.scrow.configurator.node.SubFielded;
+import site.lab0x13.scrow.configurator.noderegistry.ConfigNodeWalker;
+
+import java.util.Collections;
+import java.util.stream.IntStream;
+
+public class ConfigNodeArgumentType implements ArgumentType<Player, ConfigNode<?>> {
+
+    private final ConfigNodeWalker nodeWalker;
+
+    public ConfigNodeArgumentType(ConfigRootNode rootNode) {
+        nodeWalker = new ConfigNodeWalker(rootNode);
+    }
+
+    @Override
+    public Result<ConfigNode<?>, String> parseInputUnchecked(String input) throws IllegalArgumentException {
+        assert input != null;
+        var res = nodeWalker.walk(input);
+        if (res.error() != null)
+            Results.failure(res.error());
+        assert res.node() != null;
+        return Results.success(res.node());
+    }
+
+    @Override
+    public SuggestionProvider<Player> getDefaultSuggestionProvider() {
+        return (_, input) -> {
+            var res = nodeWalker.walk(input);
+            switch (res.type()) {
+                case NO_FIELDS, SUCCESS -> Collections.emptyList();
+                case NO_SUCH_FIELD, INDEX_OUT_OF_RANGE, INDEX_EXPECTED -> {
+                    if (res.node() instanceof ConfigListNode<?> list)
+                        return IntStream.range(0, list.size()).mapToObj(Integer::toString).toList();
+                    if (res.node() instanceof SubFielded subFielded)
+                        return subFielded.fields().keySet().stream()
+                                .map(it -> res.parentKey() + "." + it)
+                                .toList();
+                }
+            }
+            return Collections.emptyList();
+        };
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/KeyLiteral.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/KeyLiteral.java
new file mode 100644
index 0000000..f3b9978
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/command/KeyLiteral.java
@@ -0,0 +1,55 @@
+package site.lab0x13.scrow.configurator.command;
+
+import de.kentoj.kencommandapi.api.literal.Literal;
+import de.kentoj.kencommandapi.api.literal.LiteralBuilder;
+import de.kentoj.scrowlib.convention.ScrowMessageStyle;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.configurator.action.ConfigOptionAction;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+import site.lab0x13.scrow.configurator.noderegistry.ConfigNodeWalker;
+
+import java.util.ArrayList;
+import java.util.List;
+
+class KeyLiteral {
+
+    private final ScrowMessageStyle style;
+    private final Literal<Player> literal;
+
+    KeyLiteral(ScrowMessageStyle style, ConfigNodeWalker nodeWalker) {
+        this.style = style;
+
+        var builder = Literal.<Player>builder("key");
+        nodeWalker.getAllNodes().forEach((key, node) ->
+                addNodeLiteral(builder, key, node));
+        literal = builder.build();
+    }
+
+    private void addNodeLiteral(LiteralBuilder<Player> builder, String key, ConfigNode<?> node) {
+        var nodeLiteralBuilder = Literal.<Player>builder(key);
+        addNodeActionLiteral(nodeLiteralBuilder, (ConfigNode<Object>) node, new ArrayList<>(node.type().actions()));
+        addNodeActionLiteral(nodeLiteralBuilder, (ConfigNode<Object>) node, ConfigOptionAction.GLOBAL_ACTIONS);
+        builder.withLiteral(nodeLiteralBuilder.build());
+    }
+
+    private void addNodeActionLiteral(LiteralBuilder<Player> builder, ConfigNode<Object> node, List<ConfigOptionAction<?>> actions) {
+        for (var _action : actions) {
+            var action = (ConfigOptionAction<ConfigNode<Object>>) _action;
+            var actionLiteralBuilder = Literal.<Player>builder(action.name());
+            for (var argument : action.arguments())
+                actionLiteralBuilder.withArgument(argument);
+            actionLiteralBuilder.withSyncExecutor((style, ctx) -> {
+                if (action.requiresValue() && node.value() == null) {
+                    ctx.sender().sendMessage(style.err("No value set."));
+                    return;
+                }
+                action.execute(style, node, ctx);
+            });
+            builder.withLiteral(actionLiteralBuilder.build());
+        }
+    }
+
+    public Literal<Player> literal() {
+        return literal;
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigListNode.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigListNode.java
new file mode 100644
index 0000000..85ff529
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigListNode.java
@@ -0,0 +1,54 @@
+package site.lab0x13.scrow.configurator.node;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import site.lab0x13.scrow.configurator.type.ConfigType;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public final class ConfigListNode<T>
+        extends ArrayList<ConfigNode<T>>
+        implements ConfigNode<List<ConfigNode<T>>>, List<ConfigNode<T>> {
+
+    private final ConfigType<ConfigNode<T>> elementType;
+
+    public ConfigListNode(ConfigType<ConfigNode<T>> elementType) {
+        this.elementType = elementType;
+    }
+
+    public ConfigType<ConfigNode<T>> elementType() {
+        return this.elementType;
+    }
+
+    @Override
+    public ConfigType<List<ConfigNode<T>>> type() {
+        return new ConfigType<>() {
+            @Override
+            public JsonElement serialize(List<ConfigNode<T>> value) {
+                var list = new JsonArray();
+                forEach(n -> list.add(n.type().serialize(n.value())));
+                return list;
+            }
+
+            @Override
+            public List<ConfigNode<T>> deserialize(JsonElement json) {
+                var res = new ArrayList<ConfigNode<T>>();
+                var list = json.getAsJsonArray();
+                list.forEach(e -> res.add(elementType.deserialize(e)));
+                return res;
+            }
+        };
+    }
+
+    @Override
+    public List<ConfigNode<T>> value() {
+        return this;
+    }
+
+    @Override
+    public void value(List<ConfigNode<T>> value) {
+        this.clear();
+        this.addAll(value);
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigNode.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigNode.java
new file mode 100644
index 0000000..6c4f127
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigNode.java
@@ -0,0 +1,11 @@
+package site.lab0x13.scrow.configurator.node;
+
+import site.lab0x13.scrow.configurator.type.ConfigType;
+
+public sealed interface ConfigNode<T> permits ConfigValueNode, ConfigListNode, ConfigRootNode {
+    ConfigType<T> type();
+
+    T value();
+
+    void value(T value);
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigRootNode.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigRootNode.java
new file mode 100644
index 0000000..44eb312
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigRootNode.java
@@ -0,0 +1,43 @@
+package site.lab0x13.scrow.configurator.node;
+
+import org.jetbrains.annotations.Nullable;
+import site.lab0x13.scrow.configurator.type.ConfigMapType;
+import site.lab0x13.scrow.configurator.type.ConfigType;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public final class ConfigRootNode implements ConfigNode<Map<String, ConfigNode<?>>>, SubFielded {
+
+    private final ConfigMapType<ConfigNode<?>> type = new ConfigMapType<>(new HashMap<>());
+    private Map<String, ConfigNode<?>> value = new HashMap<>();
+
+    public void register(String name, ConfigNode<?> node) {
+        value.put(name, node);
+    }
+
+    @Override
+    public ConfigType<Map<String, ConfigNode<?>>> type() {
+        return type;
+    }
+
+    @Override
+    public Map<String, ConfigNode<?>> value() {
+        return value;
+    }
+
+    @Override
+    public void value(Map<String, ConfigNode<?>> value) {
+        this.value = value;
+    }
+
+    @Override
+    public Map<String, ConfigNode<?>> fields() {
+        return value;
+    }
+
+    @Override
+    public @Nullable ConfigNode<?> getField(String name) {
+        return value.get(name);
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigValueNode.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigValueNode.java
new file mode 100644
index 0000000..8f828e2
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/ConfigValueNode.java
@@ -0,0 +1,43 @@
+package site.lab0x13.scrow.configurator.node;
+
+import site.lab0x13.scrow.configurator.type.ConfigType;
+
+public final class ConfigValueNode<T> implements ConfigNode<T> {
+    private final ConfigType<T> type;
+    private final T defaultValue;
+    private T value;
+
+    public ConfigValueNode(ConfigType<T> type, T defaultValue) {
+        this.type = type;
+        this.defaultValue = defaultValue;
+        this.value = defaultValue;
+    }
+
+    public ConfigValueNode(ConfigType<T> type) {
+        this(type, null);
+    }
+
+    public void reset() {
+        this.value = defaultValue;
+    }
+
+    public T defaultValue() {
+        return defaultValue;
+    }
+
+    public T value() {
+        return value;
+    }
+
+    public void value(T value) {
+        this.value = value;
+    }
+
+    public boolean required() {
+        return defaultValue == null;
+    }
+
+    public ConfigType<T> type() {
+        return type;
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/SubFielded.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/SubFielded.java
new file mode 100644
index 0000000..bff58dc
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/node/SubFielded.java
@@ -0,0 +1,11 @@
+package site.lab0x13.scrow.configurator.node;
+
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Map;
+
+public interface SubFielded {
+    Map<String, ConfigNode<?>> fields();
+
+    @Nullable ConfigNode<?> getField(String name);
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/noderegistry/ConfigNodeWalker.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/noderegistry/ConfigNodeWalker.java
new file mode 100644
index 0000000..4bab103
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/noderegistry/ConfigNodeWalker.java
@@ -0,0 +1,102 @@
+package site.lab0x13.scrow.configurator.noderegistry;
+
+import org.jetbrains.annotations.Nullable;
+import site.lab0x13.scrow.configurator.node.ConfigListNode;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+import site.lab0x13.scrow.configurator.node.ConfigRootNode;
+import site.lab0x13.scrow.configurator.node.SubFielded;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+public final class ConfigNodeWalker {
+
+    private final ConfigRootNode rootNode;
+
+    public ConfigNodeWalker(ConfigRootNode rootNode) {
+        this.rootNode = rootNode;
+    }
+
+    public Map<String, ConfigNode<?>> getAllNodes() {
+        var result = new HashMap<String, ConfigNode<?>>();
+        processNode("", result, rootNode);
+        return result;
+    }
+
+    private void processNode(String key, Map<String, ConfigNode<?>> result, ConfigNode<?> node) {
+        result.put(key, node);
+        if (node instanceof ConfigListNode<?> list) {
+            for (int i = 0; i < list.size(); i++) {
+                var element = list.get(i);
+                processNode(key + "." + i, result, element);
+            }
+        } else {
+            /* FIXME not clean at all */
+            SubFielded sf = null;
+            if (node instanceof SubFielded n)
+                sf = n;
+            else if (node.type() instanceof SubFielded n)
+                sf = n;
+            if (sf != null)
+                sf.fields().forEach((name, v) ->
+                        processNode(key + "." + name, result, v));
+        }
+    }
+
+    public WalkResult walk(String key) {
+        return walk(Arrays.stream(key.split("\\.")).iterator());
+    }
+
+    public WalkResult walk(Iterator<String> iter) {
+        var cursor = new Cursor(iter);
+        ConfigNode<?> cur = rootNode;
+        String token;
+
+        while ((token = cursor.nextToken()) != null) {
+            if (token.isEmpty()) continue;
+            if (cur instanceof ConfigListNode<?> list) {
+                int index;
+                try {
+                    index = Integer.parseInt(token);
+                } catch (NumberFormatException _) {
+                    return new WalkResult(WalkResult.Type.INDEX_EXPECTED, cursor.key(), cur);
+                }
+                if (index < 0 || index >= list.size())
+                    return new WalkResult(WalkResult.Type.INDEX_OUT_OF_RANGE, cursor.key(), cur);
+                cur = list.get(index);
+            } else if (cur.type() instanceof SubFielded subFielded) {
+                cur = subFielded.getField(token);
+                if (cur == null)
+                    return new WalkResult(WalkResult.Type.NO_SUCH_FIELD, cursor.key(), cur);
+            } else {
+                return new WalkResult(WalkResult.Type.NO_FIELDS, cursor.key(), cur);
+            }
+        }
+
+        return new WalkResult(WalkResult.Type.SUCCESS, cursor.key(), cur);
+    }
+
+    private static class Cursor {
+        private String key = "";
+
+        private final Iterator<String> iter;
+
+        private Cursor(Iterator<String> iter) {
+            this.iter = iter;
+        }
+
+        public @Nullable String nextToken() {
+            if (!iter.hasNext()) return null;
+            var token = iter.next();
+            key += "." + token;
+            key = key.replaceFirst("\\.", "");
+            return token;
+        }
+
+        public String key() {
+            return key;
+        }
+    }
+}
\ No newline at end of file
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/noderegistry/WalkResult.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/noderegistry/WalkResult.java
new file mode 100644
index 0000000..ee5541d
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/noderegistry/WalkResult.java
@@ -0,0 +1,35 @@
+package site.lab0x13.scrow.configurator.noderegistry;
+
+import org.jetbrains.annotations.Nullable;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+
+import java.util.function.Function;
+
+public record WalkResult(
+        Type type,
+        String key,
+        @Nullable ConfigNode<?> node
+) {
+    public String parentKey() {
+        var dotInd = key.lastIndexOf('.');
+        return dotInd < 0 ? "" : key.substring(0, dotInd - 1);
+    }
+
+    public @Nullable String error() {
+        return type().message.apply(this);
+    }
+
+    public enum Type {
+        INDEX_EXPECTED(r -> "Numeric index expected at " + r.key() + "."),
+        INDEX_OUT_OF_RANGE(_ -> "Index out of range."),
+        NO_FIELDS(r -> r.key() + " has no fields."),
+        NO_SUCH_FIELD(r -> "Invalid key " + r.key()),
+        SUCCESS(_ -> null);
+
+        private final Function<WalkResult, String> message;
+
+        Type(Function<WalkResult, String> message) {
+            this.message = message;
+        }
+    }
+}
\ No newline at end of file
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigComplexType.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigComplexType.java
new file mode 100644
index 0000000..ef02ef6
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigComplexType.java
@@ -0,0 +1,52 @@
+package site.lab0x13.scrow.configurator.type;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import org.jetbrains.annotations.Nullable;
+import site.lab0x13.scrow.configurator.node.SubFielded;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public abstract class ConfigComplexType<T> implements ConfigType<T>, SubFielded {
+
+    private final Map<String, ConfigNode<?>> entries = new HashMap<>();
+
+    protected abstract T deserialize(JsonObject obj);
+
+    protected void addEntry(String name, ConfigNode<?> node) {
+        entries.put(name, node);
+    }
+
+    @SuppressWarnings("unchecked")
+    protected <S> S readNode(JsonObject object, String name) {
+        var node = (ConfigNode<Object>) entries.get(name);
+        return (S) node.type().deserialize(object.get(name));
+    }
+
+    @Override
+    public T deserialize(JsonElement json) {
+        return deserialize(json.getAsJsonObject());
+    }
+
+    @Override
+    public JsonElement serialize(T value) {
+        var obj = new JsonObject();
+        entries.forEach((name, node) -> writeNode(obj, name, node));
+        return obj;
+    }
+
+    private static <S> void writeNode(JsonObject object, String name, ConfigNode<S> node) {
+        var value = node.type().serialize(node.value());
+        object.add(name, value);
+    }
+
+    public Map<String, ConfigNode<?>> fields() {
+        return new HashMap<>(entries);
+    }
+
+    public @Nullable ConfigNode<?> getField(String name) {
+        return entries.get(name);
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigMapType.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigMapType.java
new file mode 100644
index 0000000..ce49a09
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigMapType.java
@@ -0,0 +1,54 @@
+package site.lab0x13.scrow.configurator.type;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import org.jetbrains.annotations.Nullable;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+import site.lab0x13.scrow.configurator.node.SubFielded;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ConfigMapType<T> implements ConfigType<Map<String, T>>, SubFielded {
+
+    private final Map<String, ConfigType<?>> types;
+
+    public ConfigMapType(Map<String, ConfigType<?>> types) {
+        this.types = types;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public Map<String, T> deserialize(JsonElement json) {
+        var result = new HashMap<String, T>();
+        var obj = json.getAsJsonObject();
+        types.forEach((k, v) -> {
+            var type = (ConfigType<Object>) v;
+            var value = (T) type.deserialize(obj.get(k));
+            result.put(k, value);
+        });
+        return result;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public JsonElement serialize(Map<String, T> value) {
+        var res = new JsonObject();
+        types.forEach((k, v) -> {
+            var type = (ConfigType<T>) v;
+            var serialized = type.serialize(value.get(k));
+            res.add(k, serialized);
+        });
+        return res;
+    }
+
+    @Override
+    public Map<String, ConfigNode<?>> fields() {
+        return Map.of();
+    }
+
+    @Override
+    public @Nullable ConfigNode<?> getField(String name) {
+        return null;
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigPrimitiveType.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigPrimitiveType.java
new file mode 100644
index 0000000..aba8c71
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigPrimitiveType.java
@@ -0,0 +1,45 @@
+package site.lab0x13.scrow.configurator.type;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+
+import java.math.BigInteger;
+import java.util.function.Function;
+
+public class ConfigPrimitiveType<T> implements ConfigType<T> {
+
+    public static final ConfigPrimitiveType<Double> DOUBLE =
+            new ConfigPrimitiveType<>(JsonPrimitive::new, JsonPrimitive::getAsDouble);
+    public static final ConfigPrimitiveType<Integer> INT =
+            new ConfigPrimitiveType<>(JsonPrimitive::new, JsonPrimitive::getAsInt);
+    public static final ConfigPrimitiveType<Float> FLOAT =
+            new ConfigPrimitiveType<>(JsonPrimitive::new, JsonPrimitive::getAsFloat);
+    public static final ConfigPrimitiveType<Long> LONG =
+            new ConfigPrimitiveType<>(JsonPrimitive::new, JsonPrimitive::getAsLong);
+    public static final ConfigPrimitiveType<BigInteger> BIG_INT =
+            new ConfigPrimitiveType<>(JsonPrimitive::new, JsonPrimitive::getAsBigInteger);
+    public static final ConfigPrimitiveType<Boolean> BOOL =
+            new ConfigPrimitiveType<>(JsonPrimitive::new, JsonPrimitive::getAsBoolean);
+    public static final ConfigPrimitiveType<String> STRING =
+            new ConfigPrimitiveType<>(JsonPrimitive::new, JsonPrimitive::getAsString);
+    public static final ConfigPrimitiveType<Byte> BYTE =
+            new ConfigPrimitiveType<>(JsonPrimitive::new, JsonPrimitive::getAsByte);
+
+    private final Function<T, JsonPrimitive> serializer;
+    private final Function<JsonPrimitive, T> deserializer;
+
+    private ConfigPrimitiveType(Function<T, JsonPrimitive> serializer, Function<JsonPrimitive, T> deserializer) {
+        this.serializer = serializer;
+        this.deserializer = deserializer;
+    }
+
+    @Override
+    public JsonElement serialize(T value) {
+        return serializer.apply(value);
+    }
+
+    @Override
+    public T deserialize(JsonElement json) {
+        return deserializer.apply(json.getAsJsonPrimitive());
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigType.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigType.java
new file mode 100644
index 0000000..7185f6f
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/ConfigType.java
@@ -0,0 +1,28 @@
+package site.lab0x13.scrow.configurator.type;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParser;
+import site.lab0x13.scrow.configurator.action.ConfigOptionAction;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+
+import java.util.Collections;
+import java.util.List;
+
+public interface ConfigType<T> {
+
+    default List<ConfigOptionAction<?>> actions() {
+        return Collections.emptyList();
+    }
+
+    JsonElement serialize(T value);
+
+    T deserialize(JsonElement json);
+
+    default String toJson(T value) {
+        return serialize(value).toString();
+    }
+
+    default T fromJson(String json) {
+        return deserialize(JsonParser.parseString(json));
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationConfigType.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationConfigType.java
new file mode 100644
index 0000000..0d16a35
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationConfigType.java
@@ -0,0 +1,46 @@
+package site.lab0x13.scrow.configurator.type.location;
+
+import com.google.gson.JsonObject;
+import org.bukkit.Location;
+import site.lab0x13.scrow.configurator.action.ConfigOptionAction;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+import site.lab0x13.scrow.configurator.node.ConfigValueNode;
+import site.lab0x13.scrow.configurator.type.ConfigComplexType;
+import site.lab0x13.scrow.configurator.type.ConfigPrimitiveType;
+import site.lab0x13.scrow.configurator.type.world.WorldConfigType;
+
+import java.util.List;
+
+public class LocationConfigType extends ConfigComplexType<Location> {
+
+    public static final LocationConfigType INSTANCE = new LocationConfigType();
+
+    private LocationConfigType() {
+        addEntry("world", new ConfigValueNode<>(WorldConfigType.INSTANCE));
+        addEntry("x", new ConfigValueNode<>(ConfigPrimitiveType.DOUBLE));
+        addEntry("y", new ConfigValueNode<>(ConfigPrimitiveType.DOUBLE));
+        addEntry("z", new ConfigValueNode<>(ConfigPrimitiveType.DOUBLE));
+        addEntry("yaw", new ConfigValueNode<>(ConfigPrimitiveType.FLOAT));
+        addEntry("pitch", new ConfigValueNode<>(ConfigPrimitiveType.FLOAT));
+    }
+
+    @Override
+    public List<ConfigOptionAction<?>> actions() {
+        return List.of(
+                new LocationTeleportAction(),
+                new LocationPickCurrentAction()
+        );
+    }
+
+    @Override
+    public Location deserialize(JsonObject obj) {
+        return new Location(
+                readNode(obj, "world"),
+                readNode(obj, "x"),
+                readNode(obj, "y"),
+                readNode(obj, "z"),
+                readNode(obj, "yaw"),
+                readNode(obj, "pitch")
+        );
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationPickCurrentAction.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationPickCurrentAction.java
new file mode 100644
index 0000000..74de842
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationPickCurrentAction.java
@@ -0,0 +1,25 @@
+package site.lab0x13.scrow.configurator.type.location;
+
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.configurator.action.PickAction;
+import site.lab0x13.scrow.configurator.node.ConfigNode;
+
+import java.util.concurrent.CompletableFuture;
+
+class LocationPickCurrentAction extends PickAction<Location, ConfigNode<Location>> {
+    @Override
+    public String name() {
+        return "pick-current";
+    }
+
+    @Override
+    public boolean requiresValue() {
+        return false;
+    }
+
+    @Override
+    protected CompletableFuture<Location> pick(Player player) {
+        return CompletableFuture.completedFuture(player.getLocation());
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationTeleportAction.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationTeleportAction.java
new file mode 100644
index 0000000..8ec5ae2
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/location/LocationTeleportAction.java
@@ -0,0 +1,37 @@
+package site.lab0x13.scrow.configurator.type.location;
+
+import de.kentoj.kencommandapi.api.argument.CommandArgumentSpec;
+import de.kentoj.kencommandapi.api.invocation.CommandContext;
+import de.kentoj.kencommandapi.api.platform.MessageStyle;
+import de.kentoj.scrowlib.convention.ScrowMessageStyle;
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.configurator.action.ConfigOptionAction;
+import site.lab0x13.scrow.configurator.node.ConfigValueNode;
+
+import java.util.Collections;
+import java.util.List;
+
+class LocationTeleportAction implements ConfigOptionAction<ConfigValueNode<Location>> {
+
+    @Override
+    public String name() {
+        return "teleport";
+    }
+
+    @Override
+    public List<CommandArgumentSpec<Player, ?>> arguments() {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public boolean requiresValue() {
+        return true;
+    }
+
+    @Override
+    public void execute(MessageStyle style, ConfigValueNode<Location> node, CommandContext<Player> ctx) {
+        ctx.sender().teleport(node.value());
+        ctx.sender().sendMessage(style.ok("You've been teleported."));
+    }
+}
diff --git a/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/world/WorldConfigType.java b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/world/WorldConfigType.java
new file mode 100644
index 0000000..ea43d37
--- /dev/null
+++ b/buildserver/configurator/main/java/site/lab0x13/scrow/configurator/type/world/WorldConfigType.java
@@ -0,0 +1,69 @@
+package site.lab0x13.scrow.configurator.type.world;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.leakyabstractions.result.api.Result;
+import com.leakyabstractions.result.core.Results;
+import de.kentoj.kencommandapi.api.argument.CommandArgumentSpec;
+import de.kentoj.kencommandapi.api.invocation.CommandContext;
+import de.kentoj.kencommandapi.api.platform.MessageStyle;
+import de.kentoj.kencommandapi.type.WorldArgumentType;
+import de.kentoj.scrowlib.convention.ScrowMessageStyle;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.entity.Player;
+import site.lab0x13.scrow.configurator.action.ConfigOptionAction;
+import site.lab0x13.scrow.configurator.node.ConfigValueNode;
+import site.lab0x13.scrow.configurator.type.ConfigType;
+
+import java.util.List;
+import java.util.UUID;
+
+public class WorldConfigType implements ConfigType<World> {
+
+    public static ConfigType<World> INSTANCE = new WorldConfigType();
+
+    private WorldConfigType() {
+    }
+
+    @Override
+    public JsonElement serialize(World value) {
+        return new JsonPrimitive(value.getUID().toString());
+    }
+
+    @Override
+    public World deserialize(JsonElement json) {
+        return Bukkit.getWorld(UUID.fromString(json.getAsString()));
+    }
+
+    @Override
+    public List<ConfigOptionAction<?>> actions() {
+        return List.of(new SetAction());
+    }
+
+    private static class SetAction implements ConfigOptionAction<ConfigValueNode<World>> {
+        @Override
+        public String name() {
+            return "set";
+        }
+
+        @Override
+        public List<CommandArgumentSpec<Player, ?>> arguments() {
+            return List.of(
+                    CommandArgumentSpec.builder("world", new WorldArgumentType<Player>()).build()
+            );
+        }
+
+        @Override
+        public boolean requiresValue() {
+            return false;
+        }
+
+        @Override
+        public void execute(MessageStyle style, ConfigValueNode<World> node, CommandContext<Player> ctx) {
+            World world = ctx.getArg("world");
+            node.value(world);
+            ctx.sender().sendMessage(style.ok("Set world to " + world.getName() + "("+  world.getUID() + ")"));
+        }
+    }
+}
diff --git a/buildserver/configurator/main/resources/plugin.yml b/buildserver/configurator/main/resources/plugin.yml
new file mode 100644
index 0000000..d9ad112
--- /dev/null
+++ b/buildserver/configurator/main/resources/plugin.yml
@@ -0,0 +1,6 @@
+name: "Configurator"
+version: "0"
+depend: [ "CoreBukkit" ]
+main: "site.lab0x13.scrow.configurator.ConfiguratorPlugin"
+api-version: "26.2"
+author: "Kento2"
\ No newline at end of file
diff --git a/core/bukkit/BUILD b/core/bukkit/BUILD
index 9fa9266..e610e3b 100644
--- a/core/bukkit/BUILD
+++ b/core/bukkit/BUILD
@@ -16,21 +16,24 @@ java_library(
         artifact("de.kentoj.scrow:kencommandapi-bukkit"),
         artifact("org.mongodb:bson"),
     ],
+    neverlink = True,
 )
 
 java_binary(
     name = "_plugin",
-    srcs = glob(["plugin/main/java/**/*.java"]),
+    srcs = glob(["plugin/main/java/**/*.java", "api/main/java/**/*.java"]),
     create_executable = False,
     resources = glob(["plugin/main/resources/**"]),
     resource_strip_prefix = "core/bukkit/plugin/main/resources",
     deps = [
-        ":api",
+        "//core/common",
+        artifact("de.kentoj.scrow:kencommandapi-bukkit"),
         artifact("net.luckperms:api"),
         artifact("io.papermc.paper:paper-api"),
         artifact("io.nats:jnats"),
         artifact("net.kyori:adventure-key:5.2.0"),
         artifact("org.postgresql:postgresql"),
+        artifact("org.mongodb:bson"),
     ],
 )
 
diff --git a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/CoreImplPlugin.java b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/CoreImplPlugin.java
index 93e23b7..c00ffd4 100644
--- a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/CoreImplPlugin.java
+++ b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/CoreImplPlugin.java
@@ -1,6 +1,5 @@
 package de.kentoj.scrow.bukkit;
 
-import de.kentoj.scrow.bukkit.style.ChatStyleListener;
 import de.kentoj.scrow.bukkit.command.economy.CoinsCommand;
 import de.kentoj.scrow.bukkit.command.friends.FriendCommand;
 import de.kentoj.scrow.bukkit.command.instance.InstanceCache;
@@ -9,22 +8,22 @@ import de.kentoj.scrow.bukkit.command.instance.LobbyCommand;
 import de.kentoj.scrow.bukkit.command.instance.PlayCommand;
 import de.kentoj.scrow.bukkit.internal.player.prefix.CachedPrefixProvider;
 import de.kentoj.scrow.bukkit.internal.player.prefix.LuckPermsPrefixSetter;
+import de.kentoj.scrow.bukkit.style.ChatStyleListener;
 import de.kentoj.scrow.bukkit.style.TabStyleListener;
 import net.luckperms.api.LuckPermsProvider;
 import org.bukkit.plugin.java.JavaPlugin;
-
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.nio.file.Path;
-import java.nio.file.StandardOpenOption;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public final class CoreImplPlugin extends JavaPlugin {
 
+    private final Logger log = LoggerFactory.getLogger(CoreImplPlugin.class);
+
     @Override
     public void onEnable() {
         var cachedPrefixProvider = new CachedPrefixProvider();
         ScrowAPISurface.initScrowAPI(this, cachedPrefixProvider);
+        log.info("Initialized ScrowAPI");
 
         ScrowAPI.playerCommands().register(new CoinsCommand().rootLiteral());
         ScrowAPI.playerCommands().register(new FriendCommand().rootLiteral());
diff --git a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsCommand.java b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsCommand.java
index c103a82..8a14e16 100644
--- a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsCommand.java
+++ b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsCommand.java
@@ -1,7 +1,5 @@
 package de.kentoj.scrow.bukkit.command.economy;
 
-import com.leakyabstractions.result.api.Result;
-import com.leakyabstractions.result.core.Results;
 import de.kentoj.kencommandapi.api.invocation.CommandContext;
 import de.kentoj.kencommandapi.api.literal.Literal;
 import de.kentoj.kencommandapi.api.literal.RootLiteral;
@@ -16,26 +14,23 @@ import java.util.concurrent.CompletableFuture;
 public final class CoinsCommand {
 
     private final RootLiteral<Player> rootLiteral;
-    private final MessageStyle style;
 
     public CoinsCommand() {
-        style = ScrowMessageStyle.GENERIC;
         rootLiteral = Literal.<Player>builder("coins", "bal", "balance")
                 .withPermission("command.coins.get.self")
                 .withExecutor(this::execute)
-                .withLiteral(new CoinsSetLiteral(style).literal())
-                .withLiteral(new CoinsGetLiteral(style).literal())
-                .asRootLiteral(style);
+                .withLiteral(new CoinsSetLiteral().literal())
+                .withLiteral(new CoinsGetLiteral().literal())
+                .asRootLiteral(ScrowMessageStyle.GENERIC);
     }
 
-    public CompletableFuture<Result<Object, String>> execute(CommandContext<Player> ctx) {
+    public CompletableFuture<?> execute(MessageStyle style, CommandContext<Player> ctx) {
         var player = ctx.sender();
         return Tasks.supplyAsync(() ->
                         ScrowAPI.economyService().getCoins(player.getUniqueId()))
-                .<Result<Object, String>>mapSync(amount -> {
-                    player.sendMessage(style.ok("You have " + amount + "$"));
-                    return Results.success(new Object());
-                }).toFuture();
+                .thenSync(amount ->
+                        player.sendMessage(style.ok("You have " + amount + "$")))
+                .toFuture();
     }
 
     public RootLiteral<Player> rootLiteral() {
diff --git a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsGetLiteral.java b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsGetLiteral.java
index 3e4761f..fc5ad9a 100644
--- a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsGetLiteral.java
+++ b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsGetLiteral.java
@@ -1,7 +1,5 @@
 package de.kentoj.scrow.bukkit.command.economy;
 
-import com.leakyabstractions.result.api.Result;
-import com.leakyabstractions.result.core.Results;
 import de.kentoj.kencommandapi.api.argument.CommandArgumentSpec;
 import de.kentoj.kencommandapi.api.invocation.CommandContext;
 import de.kentoj.kencommandapi.api.literal.Literal;
@@ -17,12 +15,9 @@ import java.util.concurrent.CompletableFuture;
 public final class CoinsGetLiteral {
 
     private final Literal<Player> literal;
-    private final MessageStyle style;
     private final CommandArgumentSpec<Player, OfflinePlayer> playerArg;
 
-    public CoinsGetLiteral(MessageStyle style) {
-        this.style = style;
-
+    public CoinsGetLiteral() {
         playerArg = CommandArgumentSpec.builder("player", new OfflinePlayerArgumentType<Player>())
                 .withDefaultValue(CommandContext::sender)
                 .build();
@@ -33,14 +28,13 @@ public final class CoinsGetLiteral {
                 .build();
     }
 
-    private CompletableFuture<Result<Object, String>> execute(CommandContext<Player> ctx) {
+    private CompletableFuture<?> execute(MessageStyle style, CommandContext<Player> ctx) {
         var player = ctx.getArg(playerArg);
         return Tasks.supplyAsync(() ->
                         ScrowAPI.economyService().getCoins(player.getUniqueId()))
-                .<Result<Object, String>>mapSync(amount -> {
-                    ctx.sender().sendMessage(style.ok(player.getName() + " has " + amount + "$"));
-                    return Results.success(new Object());
-                }).toFuture();
+                .thenSync(amount ->
+                        ctx.sender().sendMessage(style.ok(player.getName() + " has " + amount + "$")))
+                .toFuture();
     }
 
     public Literal<Player> literal() {
diff --git a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsSetLiteral.java b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsSetLiteral.java
index 895cc57..be2df81 100644
--- a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsSetLiteral.java
+++ b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/economy/CoinsSetLiteral.java
@@ -1,7 +1,5 @@
 package de.kentoj.scrow.bukkit.command.economy;
 
-import com.leakyabstractions.result.api.Result;
-import com.leakyabstractions.result.core.Results;
 import de.kentoj.kencommandapi.api.argument.CommandArgumentSpec;
 import de.kentoj.kencommandapi.api.argument.types.IntegerArgumentType;
 import de.kentoj.kencommandapi.api.invocation.CommandContext;
@@ -18,12 +16,10 @@ import java.util.concurrent.CompletableFuture;
 public final class CoinsSetLiteral {
 
     private final Literal<Player> literal;
-    private final MessageStyle style;
     private final CommandArgumentSpec<Player, OfflinePlayer> playerArg;
     private final CommandArgumentSpec<Player, Integer> amountArg;
 
-    CoinsSetLiteral(MessageStyle style) {
-        this.style = style;
+    CoinsSetLiteral() {
         playerArg = CommandArgumentSpec.builder("player", new OfflinePlayerArgumentType<Player>())
                 .withDefaultValue(CommandContext::sender)
                 .build();
@@ -37,15 +33,14 @@ public final class CoinsSetLiteral {
                 .build();
     }
 
-    private CompletableFuture<Result<Object, String>> execute(CommandContext<Player> ctx) {
+    private CompletableFuture<?> execute(MessageStyle style, CommandContext<Player> ctx) {
         var player = ctx.getArg(playerArg);
         var amount = ctx.getArg(amountArg);
         return Tasks.runAsync(() ->
                         ScrowAPI.economyService().setCoins(player.getUniqueId(), amount))
-                .<Result<Object, String>>supplySync(() -> {
-                    ctx.sender().sendMessage(style.ok(player.getName() + " now has " + amount + "$"));
-                    return Results.success(new Object());
-                }).toFuture();
+                .runSync(() ->
+                        ctx.sender().sendMessage(style.ok(player.getName() + " now has " + amount + "$")))
+                .toFuture();
     }
 
     public Literal<Player> literal() {
diff --git a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/friends/FriendCommand.java b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/friends/FriendCommand.java
index 48cce41..0aea7d3 100644
--- a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/friends/FriendCommand.java
+++ b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/friends/FriendCommand.java
@@ -14,14 +14,13 @@ public final class FriendCommand {
     private final RootLiteral<Player> rootLiteral;
 
     public FriendCommand() {
-        var style = new ScrowMessageStyle("Friends", NamedTextColor.AQUA);
         rootLiteral = Literal.<Player>builder("f", "friend")
-                .withLiteral(new FriendListLiteral(style).literal())
-                .withLiteral(new FriendAddLiteral(style).literal())
-                .withLiteral(new FriendRemoveLiteral(style).literal())
-                .withLiteral(new FriendRequestDeclineLiteral(style).literal())
-                .withLiteral(new FriendRequestsLiteral(style).literal())
-                .asRootLiteral(style);
+                .withLiteral(new FriendListLiteral().literal())
+                .withLiteral(new FriendAddLiteral().literal())
+                .withLiteral(new FriendRemoveLiteral().literal())
+                .withLiteral(new FriendRequestDeclineLiteral().literal())
+                .withLiteral(new FriendRequestsLiteral().literal())
+                .asRootLiteral(new ScrowMessageStyle("Friends", NamedTextColor.AQUA));
     }
 
     public static Component friendRequestOptions(String requestSenderName, boolean runInstantly) {
diff --git a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/friends/FriendListLiteral.java b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/friends/FriendListLiteral.java
index d1f3d99..9bb18b6 100644
--- a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/friends/FriendListLiteral.java
+++ b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/friends/FriendListLiteral.java
@@ -4,9 +4,9 @@ import com.leakyabstractions.result.api.Result;
 import com.leakyabstractions.result.core.Results;
 import de.kentoj.kencommandapi.api.invocation.CommandContext;
 import de.kentoj.kencommandapi.api.literal.Literal;
+import de.kentoj.kencommandapi.api.platform.MessageStyle;
 import de.kentoj.scrow.bukkit.ScrowAPI;
 import de.kentoj.scrow.bukkit.scheduler.Tasks;
-import de.kentoj.scrowlib.convention.ScrowMessageStyle;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.minimessage.MiniMessage;
@@ -22,28 +22,28 @@ import static net.kyori.adventure.text.Component.text;
 
 public final class FriendListLiteral {
     private final Literal<Player> literal;
-    private final ScrowMessageStyle style;
 
-    FriendListLiteral(ScrowMessageStyle style) {
-        this.style = style;
+    FriendListLiteral() {
         literal = Literal.<Player>builder("list")
-                    .withExecutor(this::displayFriendList)
-                    .build();
+                .withExecutor(this::displayFriendList)
+                .build();
     }
 
-    private CompletableFuture<Result<Object, String>> displayFriendList(CommandContext<Player> ctx) {
+    private CompletableFuture<?> displayFriendList(MessageStyle style, CommandContext<Player> ctx) {
         var sender = ctx.sender();
         return Tasks.supplyAsync(() ->
                         ScrowAPI.friendshipService().getFriendships(sender.getUniqueId()))
-                .<Result<Object, String>>mapSync(friendships -> {
+                .thenSync(friendships -> {
                     var friends = friendships.stream()
                             .map(friendship -> Bukkit.getOfflinePlayer(friendship.uuids().getOther(sender.getUniqueId())))
                             .sorted(this::compareByOnlineStatus)
                             .toList();
-                    if (friends.isEmpty()) return Results.failure("You have no friends. Use /friend add <player>");
+                    if (friends.isEmpty()) {
+                        ctx.sender().sendMessage(style.err("You have no friends. Use /friend add <player>"));
+                        return;
+                    }
 
-                    sender.sendMessage(formatList(friends));
-                    return Results.success(new Object());
+                    sender.sendMessage(formatList(style, friends));
                 }).toFuture();
     }
 
@@ -53,7 +53,7 @@ public final class FriendListLiteral {
         return 0;
     }
 
-    private Component formatList(List<OfflinePlayer> friends) {
+    private Component formatList(MessageStyle style, List<OfflinePlayer> friends) {
         var message = style.ok(MiniMessage.miniMessage().deserialize("Your friends:"));
         for (var friend : friends) {
             var status = MiniMessage.miniMessage().deserialize(friend.isOnline()
diff --git a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/instance/InstanceDestroyLiteral.java b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/instance/InstanceDestroyLiteral.java
index 0b683f5..5b3177d 100644
--- a/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/instance/InstanceDestroyLiteral.java
+++ b/core/bukkit/plugin/main/java/de/kentoj/scrow/bukkit/command/instance/InstanceDestroyLiteral.java
@@ -24,7 +24,7 @@ public final class InstanceDestroyLiteral {
         this.style = style;
 
         handleArg = CommandArgumentSpec.builder("handle", new StringArgumentType<CommandSender>())
-                .withSuggestionProvider(_ ->
+                .withSuggestionProvider((_, _) ->
                         cache.getInstances().stream()
                                 .map(ServerInstance::handle)
                                 .toList())
diff --git a/core/velocity/BUILD b/core/velocity/BUILD
index 573188f..980f100 100644
--- a/core/velocity/BUILD
+++ b/core/velocity/BUILD
@@ -16,16 +16,19 @@ java_library(
         artifact("de.kentoj.scrow:kencommandapi-velocity"),
         artifact("org.mongodb:bson"),
     ],
+    neverlink = True,
 )
 
 java_binary(
     name = "plugin",
-    srcs = glob(["plugin/main/java/**/*.java"]),
+    srcs = glob(["plugin/main/java/**/*.java", "api/main/java/**/*.java"]),
     create_executable = False,
     deps = [
-        ":api",
+        "//core/common",
         artifact("com.velocitypowered:velocity-api"),
         artifact("com.google.inject:guice"),
         artifact("io.nats:jnats"),
+        artifact("de.kentoj.scrow:kencommandapi-velocity"),
+        artifact("org.mongodb:bson"),
     ],
 )
diff --git a/dev-server/BUILD b/dev-server/BUILD
deleted file mode 100644
index 7bd8000..0000000
--- a/dev-server/BUILD
+++ /dev/null
@@ -1,35 +0,0 @@
-load(":minecraft.bzl", "dev_server", "fetch_file")
-
-dev_server(
-    name = "dev",
-    server_jar = ":papermc",
-    plugins = [
-        ":luckperms",
-        ":viaversion",
-        ":viabackwards",
-    ],
-    local_plugins = [
-        "//core/bukkit:plugin",
-    ],
-)
-
-fetch_file(
-    name = "papermc",
-    filename = "paper.jar",
-    url = "https://fill-data.papermc.io/v1/objects/5953a1f1deaa3572be420c3a5b18406c4b752412a78be4acab7c8b467633caed/paper-26.2-100.jar",
-)
-fetch_file(
-    name = "luckperms",
-    filename = "LuckPerms.jar",
-    url = "https://download.luckperms.net/1652/bukkit/loader/LuckPerms-Bukkit-5.5.65.jar",
-)
-fetch_file(
-    name = "viaversion",
-    filename = "ViaVersion.jar",
-    url = "https://hangarcdn.papermc.io/plugins/ViaVersion/ViaVersion/versions/5.11.0/PAPER/ViaVersion-5.11.0.jar"
-)
-fetch_file(
-    name = "viabackwards",
-    filename = "ViaBackwards.jar",
-    url = "https://hangarcdn.papermc.io/plugins/ViaVersion/ViaBackwards/versions/5.11.0/PAPER/ViaBackwards-5.11.0.jar"
-)
\ No newline at end of file
diff --git a/dev-server/minecraft.bzl b/dev-server/minecraft.bzl
deleted file mode 100644
index 6bc545e..0000000
--- a/dev-server/minecraft.bzl
+++ /dev/null
@@ -1,72 +0,0 @@
-def _dev_server_impl(ctx):
-    script = ctx.actions.declare_file(ctx.label.name + "_runner")
-    content = """
-#!/bin/sh
-set -eu
-
-cp -f '%s' server.jar
-printf eula=true > eula.txt
-mkdir -p plugins
-rm -f plugins/*.jar
-for plugin in %s
-do
-  cp -v \"$plugin\" plugins/
-done
-
-mkdir -p postgres-data
-podman run \
-    --rm \
-    --name scrow-postgres-dev \
-    -p 5432:5432 \
-    -v ./postgres-data/:/data \
-    -e POSTGRES_USER=postgres \
-    -e POSTGRES_HOST_AUTH_METHOD=trust \
-    -d \
-    docker.io/postgres:alpine || true
-echo "Starting paper server in $PWD"
-exec env HOST_POSTGRES='jdbc:postgresql://127.0.0.1:5432/postgres' java -jar server.jar --nogui %s
-""" % (
-    ctx.file.server_jar.short_path,
-    " ".join([p.short_path for p in ctx.files.plugins]),
-    " ".join(["--add-plugin %s" % p.short_path for p in ctx.files.local_plugins]),
-)
-    ctx.actions.write(
-        output = script,
-        content = content,
-        is_executable = True,
-    )
-    return DefaultInfo(
-        executable = script,
-        runfiles = ctx.runfiles(files = [ctx.file.server_jar] + ctx.files.plugins + ctx.files.local_plugins)
-    )
-
-dev_server = rule(
-    implementation = _dev_server_impl,
-    executable = True,
-    attrs = {
-        "server_jar": attr.label(allow_single_file = True, mandatory = True),
-        "plugins": attr.label_list(),
-        "local_plugins": attr.label_list(),
-    },
-)
-
-def _fetch_plugin_impl(ctx):
-    out_file = ctx.actions.declare_file(ctx.attr.filename)
-    ctx.actions.run_shell(
-        outputs = [out_file],
-        command = "curl -Lso \"$1\" \"$2\"",
-        arguments = [out_file.path, ctx.attr.url],
-        execution_requirements = {
-            "requires-network": "1",
-        },
-        progress_message = "Downloading plugin %s" % ctx.attr.filename,
-    )
-    return [DefaultInfo(files = depset([out_file]))]
-
-fetch_file = rule(
-    implementation = _fetch_plugin_impl,
-    attrs = {
-        "url": attr.string(mandatory = True),
-        "filename": attr.string(mandatory = True),
-    },
-)