Update app.py

app.py

@@ -543,7 +543,8 @@ with gr.Blocks(title="MCP Tools", theme=gr.themes.Base()) as faithfulness_tab:
 # Create the interface with separate tabs
 demo = gr.TabbedInterface(
     [arxiv_tab, tavily_tab, list_retrievers_tab, retrieve_tab, asw_relevance_tab, ctx_relevance_tab, faithfulness_tab],
-    ["ArXiv", "Tavily", "List Retrievers", "Retrieve", "Answer Relevance", "Context Relevance", "Faithfulness"]
+    ["ArXiv", "Tavily", "List Retrievers", "Retrieve", "Answer Relevance", "Context Relevance", "Faithfulness"],
+    theme=gr.themes.Base(),
 )
 
 demo.launch(mcp_server=True)