diff --git a/news/add-cli.rst b/news/add-cli.rst
new file mode 100644
index 0000000..6ff7be7
--- /dev/null
+++ b/news/add-cli.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* Add basic cli interface.
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>
diff --git a/pyproject.toml b/pyproject.toml
index 991d19c..ce67605 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ exclude = []  # exclude packages matching these glob patterns (empty by default)
 namespaces = false  # to disable scanning PEP 420 namespaces (true by default)
 
 [project.scripts]
-sequential = "pdfbl.sequential.sequential_app:main"
+pdfbl-sequential = "pdfbl.sequential.pdfbl_sequential_app:main"
 
 [tool.setuptools.dynamic]
 dependencies = {file = ["requirements/pip.txt"]}
diff --git a/src/pdfbl/sequential/pdfbl_sequential_app.py b/src/pdfbl/sequential/pdfbl_sequential_app.py
new file mode 100644
index 0000000..677d861
--- /dev/null
+++ b/src/pdfbl/sequential/pdfbl_sequential_app.py
@@ -0,0 +1,25 @@
+import argparse
+
+from pdfbl.sequential import __version__
+
+
+def main():
+    """Entry point for the pdfbl-cli.
+
+    Examples
+    --------
+    >>> pdfbl-cli --version
+    """
+    parser = argparse.ArgumentParser(
+        description=(
+            "Scripts for running sequential PDF refinements "
+            "using diffpy.cmi automatically"
+        )
+    )
+    parser.add_argument(
+        "--version",
+        action="version",
+        version=f"pdfbl.sequential {__version__}",
+        help="Show the version of pdfbl.sequential and exit.",
+    )
+    parser.parse_args()
diff --git a/src/pdfbl/sequential/sequential_cmi_runner.py b/src/pdfbl/sequential/sequential_cmi_runner.py
index 664485b..36069f1 100644
--- a/src/pdfbl/sequential/sequential_cmi_runner.py
+++ b/src/pdfbl/sequential/sequential_cmi_runner.py
@@ -363,7 +363,6 @@ def run_one_cycle(self, stop_event=SimpleNamespace(is_set=lambda: False)):
         self.input_files_running = []
 
     def run(self, mode: Literal["batch", "stream"]):
-
         if mode == "batch":
             self.run_one_cycle()
         elif mode == "stream":