diff --git a/clusterman/__main__.py b/clusterman/__main__.py
index 7700eec..f789515 100644
--- a/clusterman/__main__.py
+++ b/clusterman/__main__.py
@@ -1,4 +1,19 @@
+import argparse,sys
 
 def main():
-    print("It works!")
+    parser = argparse.ArgumentParser()
+    subparsers = parser.add_subparsers(help='Command to run')
+    cmd_node = subparsers.add_parser("node")
+
+    # Check if command specified:
+    if len(sys.argv)==1:
+        parser.print_help(sys.stderr)
+        sys.exit(1)
+    # Parse arguments:
+    args = parser.parse_args()
+    
+
+
+
+