diff --git a/cratonclient/shell/__init__.py b/cratonclient/shell/__init__.py
new file mode 100644
index 0000000..f904ea2
--- /dev/null
+++ b/cratonclient/shell/__init__.py
@@ -0,0 +1,11 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
\ No newline at end of file
diff --git a/cratonclient/shell/main.py b/cratonclient/shell/main.py
new file mode 100644
index 0000000..23217e6
--- /dev/null
+++ b/cratonclient/shell/main.py
@@ -0,0 +1,22 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+"""
+Main shell for parsing arguments directed toward Craton.
+"""
+
+
+def main():
+    return 0
+
+if __name__ == "__main__":
+    main()
diff --git a/cratonclient/shell/v1.py b/cratonclient/shell/v1.py
new file mode 100644
index 0000000..72d4e37
--- /dev/null
+++ b/cratonclient/shell/v1.py
@@ -0,0 +1,17 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+"""
+Command-line interface to the OpenStack Craton API V1.
+"""
+
+# TODO (cmspence): from cratonclient.v1 import client
diff --git a/cratonclient/tests/unit/__init__.py b/cratonclient/tests/unit/__init__.py
new file mode 100644
index 0000000..f904ea2
--- /dev/null
+++ b/cratonclient/tests/unit/__init__.py
@@ -0,0 +1,11 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
\ No newline at end of file
diff --git a/cratonclient/tests/unit/test_main_shell.py b/cratonclient/tests/unit/test_main_shell.py
new file mode 100644
index 0000000..0b70e1a
--- /dev/null
+++ b/cratonclient/tests/unit/test_main_shell.py
@@ -0,0 +1,25 @@
+#   Licensed under the Apache License, Version 2.0 (the "License"); you may
+#   not use this file except in compliance with the License. You may obtain
+#   a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#   License for the specific language governing permissions and limitations
+#   under the License.
+
+"""Tests for `cratonclient.shell.main` module."""
+
+from cratonclient.tests import base
+from cratonclient.shell import main
+
+
+class TestMainShell(base.TestCase):
+    """Test our craton main shell."""
+
+    def test_main_returns_successfully(self):
+        """Verify that cratonclient shell main returns as expected."""
+
+        self.assertEqual(main.main(), 0)