diff --git a/scripts/nix-list-installed b/scripts/nix-list-installed
new file mode 100755
index 0000000..5a253b9
--- /dev/null
+++ b/scripts/nix-list-installed
@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+nix-store -q --references /var/run/current-system/sw \
+  | cut -d'-' -f2-