diff --git a/src/cmdforge/gui/pages/tools_page.py b/src/cmdforge/gui/pages/tools_page.py
index f4fb928..b74c51f 100644
--- a/src/cmdforge/gui/pages/tools_page.py
+++ b/src/cmdforge/gui/pages/tools_page.py
@@ -118,14 +118,9 @@ def get_tool_publish_state(tool_name: str) -> Tuple[str, Optional[str]]:
         if not registry_hash:
             return ("local", None)
 
-        # Compute hash the same way as publish: load Tool object and use to_dict()
-        # This ensures we compare the same normalized representation
-        tool = load_tool(tool_name)
-        if tool:
-            current_hash = compute_config_hash(tool.to_dict())
-        else:
-            # Fallback to raw config if Tool can't be loaded
-            current_hash = compute_config_hash(config)
+        # Compute hash from raw config, same as server does during publish
+        # Don't use to_dict() as it may add/remove fields (e.g., empty arguments: [])
+        current_hash = compute_config_hash(config)
 
         if current_hash != registry_hash:
             return ("modified", registry_hash)