diff --git a/services/web/scripts/check_saml_emails.js b/services/web/scripts/check_saml_emails.js
new file mode 100644
index 0000000000..f99bde1162
--- /dev/null
+++ b/services/web/scripts/check_saml_emails.js
@@ -0,0 +1,17 @@
+// Run all the mongo queries on secondaries
+process.env.MONGO_CONNECTION_STRING =
+  process.env.READ_ONLY_MONGO_CONNECTION_STRING
+const SAMLEmailBatchCheck = require('../modules/overleaf-integration/app/src/SAML/SAMLEmailBatchCheck')
+
+const emitDetailedData = process.argv.includes('--detailed-data')
+
+SAMLEmailBatchCheck.promises
+  .checkEmails(emitDetailedData)
+  .then(result => {
+    console.table(result)
+    process.exit()
+  })
+  .catch(err => {
+    console.error(err)
+    process.exit(1)
+  })