diff --git a/.agents/scripts/conftest.py b/.agents/scripts/conftest.py
index f97523c..89fb59d 100644
--- a/.agents/scripts/conftest.py
+++ b/.agents/scripts/conftest.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 """Shared pytest fixtures for validate_state.py tests."""
 
 from __future__ import annotations
diff --git a/.agents/scripts/migrate_to_v2.py b/.agents/scripts/migrate_to_v2.py
index bc5b7f1..6c59311 100644
--- a/.agents/scripts/migrate_to_v2.py
+++ b/.agents/scripts/migrate_to_v2.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: Apache-2.0
 """Migrate a consumer project from Lead Protocol v1.x to v2.0.0.
 
 v1.x layout (what we migrate FROM):
diff --git a/.agents/scripts/test_migrate_to_v2.py b/.agents/scripts/test_migrate_to_v2.py
index 770b1c9..cad656b 100644
--- a/.agents/scripts/test_migrate_to_v2.py
+++ b/.agents/scripts/test_migrate_to_v2.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 """Unit tests for migrate_to_v2.py.
 
 Coverage is narrowly scoped to the migration functions that produce persistent
diff --git a/.agents/scripts/test_validate_state.py b/.agents/scripts/test_validate_state.py
index 8008f43..b2d05c1 100644
--- a/.agents/scripts/test_validate_state.py
+++ b/.agents/scripts/test_validate_state.py
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 """Unit tests for validate_state.py (v2.0.0 layout).
 
 Run from the repo root:
diff --git a/.agents/scripts/validate_state.py b/.agents/scripts/validate_state.py
index 0029dc2..883959b 100644
--- a/.agents/scripts/validate_state.py
+++ b/.agents/scripts/validate_state.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: Apache-2.0
 """Validate Lead Protocol state files against their JSON Schemas.
 
 Usage: