diff --git a/bin/start b/bin/start
new file mode 100755
index 00000000..f894af4c
--- /dev/null
+++ b/bin/start
@@ -0,0 +1,15 @@
+#!/usr/bin/env sh
+
+# Check if the --no-open flag is provided
+if [[ " $* " == *" --no-open "* ]]; then
+  NO_OPEN_FLAG="--no-open"
+else
+  NO_OPEN_FLAG=""
+fi
+
+# Run the commands with concurrently
+concurrently --names=format,web,jest \
+  "cd ./packages/format && yarn watch" \
+  "cd ./packages/web && yarn start $NO_OPEN_FLAG" \
+  "yarn test --watch"
+
diff --git a/package.json b/package.json
index f4d76b80..c40ad540 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   ],
   "scripts": {
     "test": "node --experimental-vm-modules ./node_modules/.bin/jest",
-    "start": "concurrently --names=format,web,jest \"cd ./packages/format && yarn watch\" \"cd ./packages/web && yarn start\" \"yarn test --watch\"",
+    "start": "./bin/start",
     "postinstall": "lerna run prepare"
   },
   "devDependencies": {