Add addition functionality and integrate into Gradio interface

app.py

@@ -28,6 +28,20 @@ def sentiment_analysis(text: str) -> dict:
     }
 
 
+def add_two_number(a: int, b: int) -> int:
+    """
+    Add two numbers.
+
+    Args:
+        a (int): First number
+        b (int): Second number
+
+    Returns:
+        int: The sum of the two numbers
+    """
+    return a + b
+
+
 # Create the Gradio interface
 demo = gr.Interface(
     fn=sentiment_analysis,
@@ -37,6 +51,19 @@ demo = gr.Interface(
     description="Analyze the sentiment of text using TextBlob",
 )
 
+demo2 = gr.Interface(
+    fn=add_two_number,
+    inputs=[gr.Number(), gr.Number()],
+    outputs=gr.Number(),
+    title="Add Two Numbers",
+    description="Add two numbers together",
+)
+
+
+app = gr.TabbedInterface(
+    interface_list=[demo, demo2], tab_names=["Function 1", "Function 2"]
+)
+
 # Launch the interface and MCP server
 if __name__ == "__main__":
-    demo.launch(mcp_server=True)
+    app.launch(mcp_server=True)