diff --git a/collections/dev_tools.json b/collections/dev_tools.json
new file mode 100644
index 0000000..a6fe423
--- /dev/null
+++ b/collections/dev_tools.json
@@ -0,0 +1,28 @@
+{
+  "id": "dev_tools",
+  "name": "Developer Tools",
+  "author": "ct",
+  "version": "1.0.0",
+  "description": "Mod authoring toolset: the scenario graph editor, content validators and the mod manager.",
+  "mechanics": [
+    {
+      "id": "editor",
+      "name": "Scenario Editor",
+      "description": "Graph-based scenario and scene authoring tools.",
+      "mods": ["tools>=1"]
+    },
+    {
+      "id": "validation",
+      "name": "Validation",
+      "description": "Optional content validation suite.",
+      "mods": ["validator>=0.1"],
+      "optional": true
+    },
+    {
+      "id": "manager",
+      "name": "Mod Manager",
+      "description": "Catalog browser and installer.",
+      "mods": ["mod_manager>=1"]
+    }
+  ]
+}
diff --git a/locale/ui_en.properties b/locale/ui_en.properties
index 9ea2844..901f418 100644
--- a/locale/ui_en.properties
+++ b/locale/ui_en.properties
@@ -1,11 +1,6 @@
 mod_tools_name = Tools
 mod_tools_desc = Development tools
 
-tools/title = Tools
-tools/select_tool = Select a tool:
-tools/launch = Launch
-tools/close = Close
-
 tools/light_editor/title = Light Editor
 tools/light_editor/background = Background
 tools/light_editor/static_lights = Static lights (max. 10)
diff --git a/locale/ui_ru.properties b/locale/ui_ru.properties
index 5f6cd52..de13e6b 100644
--- a/locale/ui_ru.properties
+++ b/locale/ui_ru.properties
@@ -2,11 +2,6 @@
 mod_tools_name = Инструменты
 mod_tools_desc = Инструменты разработчика
 
-tools/title = Инструменты
-tools/select_tool = Выберите инструмент:
-tools/launch = Запустить
-tools/close = Закрыть
-
 tools/light_editor/title = Редактор освещения
 tools/light_editor/background = Фон
 tools/light_editor/static_lights = Статичные источники (макс. 10)
diff --git a/src/CatalogExport/CatalogExportToolProvider.cs b/src/CatalogExport/CatalogExportToolProvider.cs
index 042575e..1796877 100644
--- a/src/CatalogExport/CatalogExportToolProvider.cs
+++ b/src/CatalogExport/CatalogExportToolProvider.cs
@@ -19,5 +19,8 @@ namespace Cthangover.Core.UI.Tool.CatalogExport
 
         /// <summary>Creates the export window instance.</summary>
         public Window CreateWindow() => new CatalogExportWindow();
+
+        /// <summary>Adds the catalog export launcher button to the main menu tool block.</summary>
+        public void AddMenuButton(Container container) => ToolMenuButton.Attach(container, this);
     }
 }
diff --git a/src/InteractiveEditor/InteractiveEditorToolProvider.cs b/src/InteractiveEditor/InteractiveEditorToolProvider.cs
index 5dca33e..b0a6ab0 100644
--- a/src/InteractiveEditor/InteractiveEditorToolProvider.cs
+++ b/src/InteractiveEditor/InteractiveEditorToolProvider.cs
@@ -16,6 +16,8 @@ namespace Cthangover.Tools.InteractiveEditor
         public string LocaleKey => "tools/interactive_editor/title";
         /// <summary>Creates the editor window instance.</summary>
         public Window CreateWindow() => new InteractiveEditorWindow();
+        /// <summary>Adds the interactive editor's launcher button to the main menu tool block.</summary>
+        public void AddMenuButton(Container container) => ToolMenuButton.Attach(container, this);
     }
 
     /// <summary>
diff --git a/src/LightEditor/LightEditorToolProvider.cs b/src/LightEditor/LightEditorToolProvider.cs
index a32a267..fa2d6e2 100644
--- a/src/LightEditor/LightEditorToolProvider.cs
+++ b/src/LightEditor/LightEditorToolProvider.cs
@@ -12,6 +12,8 @@ namespace Cthangover.Core.UI.Tool.LightEditor
         public string LocaleKey => "tools/light_editor/title";
         /// <summary>Creates the editor window instance.</summary>
         public Window CreateWindow() => new LightEditorWindow();
+        /// <summary>Adds the light editor's launcher button to the main menu tool block.</summary>
+        public void AddMenuButton(Container container) => ToolMenuButton.Attach(container, this);
     }
 
     /// <summary>Toolbox button that opens the light editor. Always visible.</summary>
diff --git a/src/ScenarioEditor/ScenarioEditorToolProvider.cs b/src/ScenarioEditor/ScenarioEditorToolProvider.cs
index fbd8143..ddfa7fb 100644
--- a/src/ScenarioEditor/ScenarioEditorToolProvider.cs
+++ b/src/ScenarioEditor/ScenarioEditorToolProvider.cs
@@ -12,5 +12,7 @@ namespace Cthangover.Core.UI.Tool.ScenarioEditor
         public string LocaleKey => "tools/scenario_editor/title";
         /// <summary>Creates the editor window instance.</summary>
         public Window CreateWindow() => new ScenarioEditorWindow();
+        /// <summary>Adds the scenario editor's launcher button to the main menu tool block.</summary>
+        public void AddMenuButton(Container container) => ToolMenuButton.Attach(container, this);
     }
 }
diff --git a/src/SceneBuilder/SceneBuilderToolProvider.cs b/src/SceneBuilder/SceneBuilderToolProvider.cs
index 2e47346..ee0c440 100644
--- a/src/SceneBuilder/SceneBuilderToolProvider.cs
+++ b/src/SceneBuilder/SceneBuilderToolProvider.cs
@@ -12,5 +12,7 @@ namespace Cthangover.Core.UI.Tool.SceneBuilder
         public string LocaleKey => "tools/scene_builder/title";
         /// <summary>Creates the editor window instance.</summary>
         public Window CreateWindow() => new SceneBuilderWindow();
+        /// <summary>Adds the scene builder's launcher button to the main menu tool block.</summary>
+        public void AddMenuButton(Container container) => ToolMenuButton.Attach(container, this);
     }
 }