diff --git a/.arcconfig b/.arcconfig
new file mode 100644
index 00000000..283bc23a
--- /dev/null
+++ b/.arcconfig
@@ -0,0 +1,4 @@
+{
+  "project_id" : "libcxx",
+  "conduit_uri" : "http://llvm-reviews.chandlerc.com/"
+}