diff --git a/tasks.py b/tasks.py
new file mode 100644
index 0000000..4baa4db
--- /dev/null
+++ b/tasks.py
@@ -0,0 +1,8 @@
+from invoke import task
+
+@task
+def add(c, url, name=None):
+    if name is None:
+        name = url
+    c.run(f"git submodule add {url}")
+    c.run(f"git commit -am 'added: {name}'")