diff --git a/web/app/components/tools/mcp/modal.tsx b/web/app/components/tools/mcp/modal.tsx
index 987a517ef5..ad528e9fb9 100644
--- a/web/app/components/tools/mcp/modal.tsx
+++ b/web/app/components/tools/mcp/modal.tsx
@@ -141,8 +141,8 @@ const MCPModal = ({
 
   const isValidUrl = (string: string) => {
     try {
-      const urlPattern = /^(https?:\/\/)((([a-z\d]([a-z\d-]*[a-z\d])*)\.)+[a-z]{2,}|((\d{1,3}\.){3}\d{1,3})|localhost)(:\d+)?(\/[-a-z\d%_.~+]*)*(\?[;&a-z\d%_.~+=-]*)?/i
-      return urlPattern.test(string)
+      const url = new URL(string)
+      return url.protocol === 'http:' || url.protocol === 'https:'
     }
     catch {
       return false