diff --git a/jarvis_mcp/client.py b/jarvis_mcp/client.py
index 1cc2955..2957984 100644
--- a/jarvis_mcp/client.py
+++ b/jarvis_mcp/client.py
@@ -9,10 +9,9 @@ logger = get_logger("MCP")
 
 class MCPClient:
     def __init__(self, url: str):
-        # Sauberes URL-Handling
-        self.url = url.rstrip('/')
-        if not self.url.endswith('/mcp'):
-            self.url += '/mcp'
+        # Entferne alles nach /mcp und füge exakt /mcp/ hinzu
+        base = url.rstrip('/').split('/mcp')[0]
+        self.url = base + "/mcp/"          # ← WICHTIG: Slash am Ende
         
         self.session = None
         self._client_context = None