diff --git a/.arcconfig b/.arcconfig
new file mode 100644
index 00000000..3f25df55
--- /dev/null
+++ b/.arcconfig
@@ -0,0 +1,5 @@
+{
+	"phabricator.uri": "https://source.syncthing.net/",
+	"project_id": "syncthing",
+	"project.name": "syncthing"
+}