diff --git a/measurements_analysis/src/measurements_analysis/cli.py b/measurements_analysis/src/measurements_analysis/cli.py
new file mode 100644
index 0000000..f707714
--- /dev/null
+++ b/measurements_analysis/src/measurements_analysis/cli.py
@@ -0,0 +1,41 @@
+import argparse
+import json
+import os
+from pathlib import Path
+from measurements_analysis import core
+
+def main():
+    parser = argparse.ArgumentParser(description="CLI zur Analyse von HF-Messdaten.")
+    parser.add_argument("--input", required=True, help="Pfad zur Eingabe-JSON-Datei mit Messdaten.")
+    parser.add_argument("--output", required=True, help="Pfad zur Ausgabe-JSON-Datei für Analyseergebnisse.")
+    args = parser.parse_args()
+
+    input_path = Path(args.input)
+    output_path = Path(args.output)
+
+    if not input_path.exists():
+        raise FileNotFoundError(f"Eingabedatei nicht gefunden: {input_path}")
+
+    with input_path.open("r", encoding="utf-8") as infile:
+        try:
+            data_json = json.load(infile)
+        except json.JSONDecodeError as e:
+            raise ValueError(f"Ungültiges JSON-Format in Eingabedatei: {e}")
+
+    if not isinstance(data_json, list):
+        raise ValueError("Eingabe-JSON erwartet eine Liste von Messobjekten.")
+
+    required_fields = {"spacing_mm", "hf_amplitude", "spike_outlier_rate", "levenes_test_p"}
+    for i, item in enumerate(data_json):
+        if not required_fields.issubset(item):
+            missing = required_fields - item.keys()
+            raise ValueError(f"Fehlende Felder in Datensatz {i}: {', '.join(missing)}")
+
+    results = core.analyze_measurements(data_json)
+
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+    with output_path.open("w", encoding="utf-8") as outfile:
+        json.dump(results, outfile, indent=2)
+
+if __name__ == "__main__":
+    main()
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