diff --git a/package.json b/package.json
index 21ac10cff25..9f097c167df 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "build": "python ./script/build.py -c D",
     "lint": "python ./script/eslint.py && python ./script/cpplint.py",
     "preinstall": "node -e 'process.exit(0)'",
+    "repl": "python ./script/start.py --interactive",
     "start": "python ./script/start.py",
     "test": "python ./script/test.py"
   }