diff --git a/latecomers/main.py b/latecomers/main.py
new file mode 100644
index 0000000..a1919ad
--- /dev/null
+++ b/latecomers/main.py
@@ -0,0 +1,46 @@
+# -*- encoding: utf-8 -*-
+import logging
+import sys
+import typing as T
+
+from latecomers.retrieve import retrieve
+from latecomers.parse import find_table, get_details, Details
+from latecomers.serializer import to_excel
+from latecomers.notifier import Notifier
+from latecomers.config import Config
+
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="[%(asctime)s] %(levelname)s - %(message)s",
+    datefmt="%H:%M:%S",
+)
+logger = logging.getLogger(__name__)
+
+
+def main(config: Config):
+    """
+    The main cli entrypoint.
+    """
+    out = Notifier(**config.smtp)
+    body = retrieve()
+    table = find_table(body)
+    data: T.List[Details] = []
+    for row in table:
+        data.append(get_details(row))
+
+    if not data:
+        out.send_no_data(config.to)
+
+    excel = to_excel(data)
+    out.send_result(config.to, excel)
+
+
+def cli():
+    if len(sys.argv) < 2:
+        logger.error(f"Missing arguments: {sys.argv[0]} <config_path>")
+        sys.exit(4)
+
+    config_path = sys.argv[1]
+    config = Config(config_path)
+    main(config)