diff --git a/command/autocomplete.go b/command/autocomplete.go
new file mode 100644
index 0000000000..15099fa526
--- /dev/null
+++ b/command/autocomplete.go
@@ -0,0 +1,17 @@
+package command
+
+import (
+	"github.com/posener/complete"
+)
+
+// This file contains some re-usable predictors for auto-complete. The
+// command-specific autocomplete configurations live within each command's
+// own source file, as AutocompleteArgs and AutocompleteFlags methods on each
+// Command implementation.
+
+// For completing the value of boolean flags like -foo false
+var completePredictBoolean = complete.PredictSet("true", "false")
+
+// We don't currently have a real predictor for module sources, but
+// we'll probably add one later.
+var completePredictModuleSource = complete.PredictAnything