diff --git a/artifact.retry_analysis/src/artifact_retry_analysis/cli.py b/artifact.retry_analysis/src/artifact_retry_analysis/cli.py
new file mode 100644
index 0000000..c937223
--- /dev/null
+++ b/artifact.retry_analysis/src/artifact_retry_analysis/cli.py
@@ -0,0 +1,55 @@
+import argparse
+import json
+import sys
+from pathlib import Path
+from typing import Optional
+
+from artifact_retry_analysis.core import analyze_retry_data
+
+
+def main(argv: Optional[list[str]] = None) -> None:
+    """Command-line interface to analyze retry logs and produce a JSON report."""
+    parser = argparse.ArgumentParser(
+        description="Analyze retry log data and produce a retry analysis report in JSON format."
+    )
+    parser.add_argument(
+        "--input",
+        required=True,
+        help="Path to the input log file in JSON format."
+    )
+    parser.add_argument(
+        "--output",
+        required=False,
+        help="Path to the output file where the analysis report will be saved."
+    )
+
+    args = parser.parse_args(argv)
+
+    input_path = Path(args.input)
+    if not input_path.exists() or not input_path.is_file():
+        print(f"Error: Input file not found: {input_path}", file=sys.stderr)
+        sys.exit(1)
+
+    try:
+        report = analyze_retry_data(str(input_path))
+    except Exception as exc:
+        print(f"Error analyzing retry data: {exc}", file=sys.stderr)
+        sys.exit(2)
+
+    report_json = report.to_json()
+
+    if args.output:
+        output_path = Path(args.output)
+        try:
+            output_path.parent.mkdir(parents=True, exist_ok=True)
+            with output_path.open('w', encoding='utf-8') as f:
+                f.write(report_json)
+        except Exception as exc:
+            print(f"Error writing output file: {exc}", file=sys.stderr)
+            sys.exit(3)
+    else:
+        print(report_json)
+
+
+if __name__ == "__main__":
+    main()