diff --git a/steward/contribution.go b/steward/contribution.go
new file mode 100644
index 0000000..2cff8cf
--- /dev/null
+++ b/steward/contribution.go
@@ -0,0 +1,12 @@
+package steward
+
+type (
+	Contribution struct {
+		Author    string
+		Repo      string
+		Week      int64
+		Commits   int
+		Additions int
+		Deletions int
+	}
+)