diff --git a/.arcconfig b/.arcconfig
new file mode 100644
index 0000000..de4a521
--- /dev/null
+++ b/.arcconfig
@@ -0,0 +1,8 @@
+{
+  "phabricator.uri": "https://secure.phabricator.com/",
+  "load": [
+    "libphutil/src",
+    "arcanist/src",
+    "phabricator/src/"
+  ]
+}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..64f13c9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+# Diviner
+/docs/
+/.divinercache/
+
+# libphutil
+/src/.phutil_module_cache
+
+# User extensions
+/src/extensions/*