diff --git a/qsl.toml b/qsl.toml
new file mode 100644
index 0000000..423183b
--- /dev/null
+++ b/qsl.toml
@@ -0,0 +1,13 @@
+[qsl]
+repo = "LongBridgePlatform"
+tier = "runtime-platform"
+ring = 3
+allow_legacy = false
+
+[qsl.requires]
+quant_platform_kit = "0063af3b4a974650ea58a7d3f26dd1b94f65d3e8"
+us_equity_strategies = "46887bc3f5454d5b59623b1f5efb7c65912c6b8b"
+hk_equity_strategies = "61993bf261aeccf64b5a75428b9405f4e1d1d682"
+
+[qsl.compat]
+bundle = "2026.07.0"
diff --git a/tests/test_qsl_metadata.py b/tests/test_qsl_metadata.py
new file mode 100644
index 0000000..9c78672
--- /dev/null
+++ b/tests/test_qsl_metadata.py
@@ -0,0 +1,19 @@
+from __future__ import annotations
+
+from pathlib import Path
+import tomllib
+
+
+def test_qsl_metadata_has_runtime_platform_fields() -> None:
+    qsl_path = Path(__file__).resolve().parents[1] / "qsl.toml"
+    with qsl_path.open("rb") as f:
+        qsl = tomllib.load(f)["qsl"]
+
+    assert qsl["tier"] == "runtime-platform"
+    assert qsl["ring"] == 3
+    assert qsl.get("repo") == "LongBridgePlatform"
+    assert qsl["compat"]["bundle"] == "2026.07.0"
+    requires = qsl["requires"]
+    assert "quant_platform_kit" in requires
+    assert "us_equity_strategies" in requires
+    assert "hk_equity_strategies" in requires