diff --git a/src/huggingface_hub/inference/_mcp/mcp_client.py b/src/huggingface_hub/inference/_mcp/mcp_client.py
index 2712dea121..9d8e227162 100644
--- a/src/huggingface_hub/inference/_mcp/mcp_client.py
+++ b/src/huggingface_hub/inference/_mcp/mcp_client.py
@@ -154,6 +154,9 @@ async def add_mcp_server(self, type: ServerType, **params: Any):
         from mcp import ClientSession, StdioServerParameters
         from mcp import types as mcp_types
 
+        # Handle nested config
+        params = params['config'] if 'config' in params else params
+
         # Determine server type and create appropriate parameters
         if type == "stdio":
             # Handle stdio server