diff --git a/apps/api/src/plugins/mcp/interfaces.py b/apps/api/src/plugins/mcp/interfaces.py
index 501fca75..bf0361c8 100644
--- a/apps/api/src/plugins/mcp/interfaces.py
+++ b/apps/api/src/plugins/mcp/interfaces.py
@@ -17,7 +17,6 @@ from typing import Any
 
 from src.utils.timezone import now_taipei
 
-
 # =============================================================================
 # Data Classes (DTO)
 # =============================================================================
diff --git a/apps/api/src/plugins/mcp/providers/signoz_provider.py b/apps/api/src/plugins/mcp/providers/signoz_provider.py
index 66043784..d1a61046 100644
--- a/apps/api/src/plugins/mcp/providers/signoz_provider.py
+++ b/apps/api/src/plugins/mcp/providers/signoz_provider.py
@@ -187,8 +187,8 @@ class SignOzProvider(MCPToolProvider):
     async def health_check(self) -> bool:
         """Check if SignOz is accessible"""
         try:
-            client = self._get_client()
-            # Try to get metrics for a test service
-            return True  # SignOz client initialization is the check
+            # SignOz client initialization is the health check
+            self._get_client()
+            return True
         except Exception:
             return False