diff --git a/libexec/rbenv-commands b/libexec/rbenv-commands
new file mode 100755
index 00000000..49ba268b
--- /dev/null
+++ b/libexec/rbenv-commands
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash -e
+
+shopt -s nullglob
+
+{ for path in ${PATH//:/$'\n'}; do
+    for command in "${path}/rbenv-"*; do
+      echo "${command##*rbenv-}"
+    done
+  done
+} | sort | uniq
+