diff --git a/paperforge/skills/paperforge/atoms/.gitkeep b/paperforge/skills/paperforge/atoms/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/paperforge/skills/paperforge/atoms/chart-reading/.gitkeep b/paperforge/skills/paperforge/atoms/chart-reading/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/paperforge/skills/paperforge/molecules/.gitkeep b/paperforge/skills/paperforge/molecules/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/test_skill_graph_layout.py b/tests/test_skill_graph_layout.py
new file mode 100644
index 00000000..043ea8cf
--- /dev/null
+++ b/tests/test_skill_graph_layout.py
@@ -0,0 +1,14 @@
+from __future__ import annotations
+from pathlib import Path
+
+REPO_ROOT = Path(__file__).resolve().parent.parent
+SKILL_ROOT = REPO_ROOT / "paperforge" / "skills" / "paperforge"
+
+
+def test_skill_uses_atoms_and_molecules_directories() -> None:
+    assert (SKILL_ROOT / "atoms").is_dir()
+    assert (SKILL_ROOT / "molecules").is_dir()
+
+
+def test_chart_reading_target_directory_exists() -> None:
+    assert (SKILL_ROOT / "atoms" / "chart-reading").is_dir()