diff --git a/frontend/src/components/ui/ToolCard.tsx b/frontend/src/components/ui/ToolCard.tsx
index 2f5a485..c9a6656 100644
--- a/frontend/src/components/ui/ToolCard.tsx
+++ b/frontend/src/components/ui/ToolCard.tsx
@@ -137,7 +137,7 @@ const ToolCard = ({ tool, server, onToggle, onDescriptionUpdate }: ToolCardProps
       >
         <div className="flex-1">
           <h3 className="text-lg font-medium text-gray-900">
-            {tool.name.replace(server + '/', '')}
+            {tool.name.replace(server + '-', '')}
             <span className="ml-2 text-sm font-normal text-gray-600 inline-flex items-center">
               {isEditingDescription ? (
                 <>
@@ -229,7 +229,7 @@ const ToolCard = ({ tool, server, onToggle, onDescriptionUpdate }: ToolCardProps
           {/* Run Form */}
           {showRunForm && (
             <div className="border border-gray-300 rounded-lg p-4 bg-blue-50">
-              <h4 className="text-sm font-medium text-gray-900 mb-3">{t('tool.runToolWithName', { name: tool.name.replace(server + '/', '') })}</h4>
+              <h4 className="text-sm font-medium text-gray-900 mb-3">{t('tool.runToolWithName', { name: tool.name.replace(server + '-', '') })}</h4>
               <DynamicForm
                 schema={tool.inputSchema || { type: 'object' }}
                 onSubmit={handleRunTool}
diff --git a/src/services/mcpService.ts b/src/services/mcpService.ts
index a3857d4..e4f1709 100644
--- a/src/services/mcpService.ts
+++ b/src/services/mcpService.ts
@@ -203,7 +203,7 @@ export const initializeClientsFromSettings = (isInit: boolean): ServerInfo[] =>
             }
 
             serverInfo.tools = tools.tools.map((tool) => ({
-              name: name + '/' + tool.name,
+              name: `${name}-${tool.name}`,
               description: tool.description || '',
               inputSchema: tool.inputSchema || {},
             }));
@@ -699,8 +699,8 @@ export const handleCallToolRequest = async (request: any, extra: any) => {
         `Invoking tool '${toolName}' on server '${targetServerInfo.name}' with arguments: ${JSON.stringify(finalArgs)}`,
       );
 
-      toolName = toolName.startsWith(`${targetServerInfo.name}/`)
-        ? toolName.replace(`${targetServerInfo.name}/`, '')
+      toolName = toolName.startsWith(`${targetServerInfo.name}-`)
+        ? toolName.replace(`${targetServerInfo.name}-`, '')
         : toolName;
       const result = await client.callTool({
         name: toolName,
@@ -721,8 +721,8 @@ export const handleCallToolRequest = async (request: any, extra: any) => {
       throw new Error(`Client not found for server: ${request.params.name}`);
     }
 
-    request.params.name = request.params.name.startsWith(`${serverInfo.name}/`)
-      ? request.params.name.replace(`${serverInfo.name}/`, '')
+    request.params.name = request.params.name.startsWith(`${serverInfo.name}-`)
+      ? request.params.name.replace(`${serverInfo.name}-`, '')
       : request.params.name;
     const result = await client.callTool(request.params);
     console.log(`Tool call result: ${JSON.stringify(result)}`);