diff --git a/scripts/_utils.py b/scripts/_utils.py
new file mode 100644
index 0000000000..623eaca9f7
--- /dev/null
+++ b/scripts/_utils.py
@@ -0,0 +1,13 @@
+import os
+from pathlib import Path
+
+ROOT_DIR = Path(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+
+def dir_name(origin: str) -> str:
+    return origin.replace("-", "_")
+
+
+def pascal_case(origin: str) -> str:
+    """Convert from snake-case to PascalCase."""
+    return "".join(word.title() for word in origin.split("-"))
diff --git a/scripts/add_plugin.py b/scripts/add_plugin.py
index 96d3cb13d8..3fac8231e0 100755
--- a/scripts/add_plugin.py
+++ b/scripts/add_plugin.py
@@ -10,17 +10,8 @@ Example usage:
 
 import argparse
 import os
-from pathlib import Path
 
-ROOT_DIR = Path(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-
-
-def dir_name(plugin: str) -> str:
-    return plugin.replace("-", "_")
-
-
-def pascal_case(plugin: str) -> str:
-    return "".join(word.title() for word in plugin.split("-"))
+from _utils import ROOT_DIR, dir_name, pascal_case
 
 
 def main(*, plugin: str, url: str) -> None:
diff --git a/scripts/add_rule.py b/scripts/add_rule.py
index 40e10fc3e6..988d4934a1 100755
--- a/scripts/add_rule.py
+++ b/scripts/add_rule.py
@@ -10,19 +10,8 @@ Example usage:
 """
 
 import argparse
-import os
-from pathlib import Path
 
-ROOT_DIR = Path(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-
-
-def dir_name(origin: str) -> str:
-    return origin.replace("-", "_")
-
-
-def pascal_case(origin: str) -> str:
-    """Convert from snake-case to PascalCase."""
-    return "".join(word.title() for word in origin.split("-"))
+from _utils import ROOT_DIR, dir_name
 
 
 def snake_case(name: str) -> str: