diff --git a/src/framework/chef.h b/src/framework/chef.h
new file mode 100644
index 0000000..7131a47
--- /dev/null
+++ b/src/framework/chef.h
@@ -0,0 +1,20 @@
+/** ------------------------------------------------------------
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ * -------------------------------------------------------------
+ * File Name     : chef.h
+ * File Authors  : Aoran Zeng <ccmywish@qq.com>
+ * Contributors  :  Peng Gao  <gn3po4g@outlook.com>
+ * Created On    : <2025-07-14>
+ * Last Modified : <2025-07-14>
+ *
+ * For chefs (recipe makers) and sometimes framewoker
+ * ------------------------------------------------------------*/
+
+#pragma once
+
+
+bool
+is_url (const char *str)
+{
+  return (xy_str_start_with (str, "http://") || xy_str_start_with (str, "https://"));
+}
diff --git a/src/framework/core.c b/src/framework/core.c
index 8db3290..52979f2 100644
--- a/src/framework/core.c
+++ b/src/framework/core.c
@@ -9,7 +9,7 @@
  *               | Yangmoooo  <yangmoooo@outlook.com>
  *               |
  * Created On    : <2023-08-29>
- * Last Modified : <2025-07-12>
+ * Last Modified : <2025-07-14>
  *
  * chsrc framework
  * ------------------------------------------------------------*/
@@ -25,6 +25,7 @@
 #include "xy.h"
 #include "struct.h"
 #include "mirror.c"
+#include "chef.h"
 
 #define App_Name "chsrc"
 
@@ -279,14 +280,6 @@ log_cmd_result (bool result, int exit_status)
 
 
 
-bool
-is_url (const char *str)
-{
-  return (xy_str_start_with (str, "http://") || xy_str_start_with (str, "https://"));
-}
-
-
-
 #define Quiet_When_Exist    0x00
 #define Noisy_When_Exist    0x01
 #define Quiet_When_NonExist 0x00