diff --git a/tests/integration/test_parser_validate_scoring.py b/tests/integration/test_parser_validate_scoring.py
new file mode 100644
index 00000000..57595edf
--- /dev/null
+++ b/tests/integration/test_parser_validate_scoring.py
@@ -0,0 +1,15 @@
+from __future__ import annotations
+
+from openamp_foundry.cli.main import build_parser
+
+
+def test_validate_scoring_parser_defaults_are_stable():
+    parser = build_parser()
+    args = parser.parse_args(["validate-scoring"])
+
+    assert args.command == "validate-scoring"
+    assert args.amp_csv == "examples/validation/known_amps.csv"
+    assert args.decoy_csv == "examples/validation/random_background.csv"
+    assert args.benchmark_type == "standard"
+    assert args.config == "configs/pipeline.yaml"
+    assert args.out is None