diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..75f41ff
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,21 @@
+# __init__.py
+# Place this file in: ComfyUI/custom_nodes/ComfyUI-AudioTools/__init__.py
+
+from .audio_normalize import NODE_CLASS_MAPPINGS as normalize_nodes
+from .audio_normalize import NODE_DISPLAY_NAME_MAPPINGS as normalize_display_names
+
+from .audio_enhance import NODE_CLASS_MAPPINGS as enhance_nodes
+from .audio_enhance import NODE_DISPLAY_NAME_MAPPINGS as enhance_display_names
+
+# Merge all nodes
+NODE_CLASS_MAPPINGS = {
+    **normalize_nodes,
+    **enhance_nodes,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    **normalize_display_names,
+    **enhance_display_names,
+}
+
+__all__ = ['NODE_CLASS_MAPPINGS', 'NODE_DISPLAY_NAME_MAPPINGS']
\ No newline at end of file