Update app.py

app.py

@@ -1,7 +1,30 @@
 import gradio as gr
 
-def greet(name):
-    return "Hello " + name + "!!"
+def letter_counter(word: str, letter: str) -> int:
+    """
+    Count the number of occurrences of a letter in a word or text.
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
-demo.launch()
+    Args:
+        word (str): The input text to search through
+        letter (str): The letter to search for
+
+    Returns:
+        int: The number of times the letter appears in the text
+    """
+    word = word.lower()
+    letter = letter.lower()
+    count = word.count(letter)
+    return count
+
+# Create a standard Gradio interface
+demo = gr.Interface(
+    fn=letter_counter,
+    inputs=["textbox", "textbox"],
+    outputs="number",
+    title="Letter Counter",
+    description="Enter text and a letter to count how many times the letter appears in the text."
+)
+
+# Launch both the Gradio web interface and the MCP server
+if __name__ == "__main__":
+    demo.launch(mcp_server=True)