diff --git a/resources/test/fixtures/A001.py b/resources/test/fixtures/A001.py
index a1a16f954b..2c3ba56300 100644
--- a/resources/test/fixtures/A001.py
+++ b/resources/test/fixtures/A001.py
@@ -1,3 +1,6 @@
+import os.path
+import ospath
+from os import path
 import some as sum
 from some import other as int
 
diff --git a/rules/no-os.yml b/rules/no-os.yml
new file mode 100644
index 0000000000..1f1581ea5d
--- /dev/null
+++ b/rules/no-os.yml
@@ -0,0 +1,10 @@
+id: C001
+message: Don't import os
+severity: warning
+language: Python
+rule:
+  any:
+    - pattern: import os
+    - pattern: import os.$_
+    - pattern: from os import $_
+    - pattern: from os.$_ import $_
diff --git a/sgconfig.yml b/sgconfig.yml
new file mode 100644
index 0000000000..2dd8e538b4
--- /dev/null
+++ b/sgconfig.yml
@@ -0,0 +1,2 @@
+ruleDirs:
+  - rules