import gradio as gr

def letter_counter(word: str, letter: str) -> int:
    """Count occurrences of a letter in a word.
    
    Args:
        word: The word to search in
        letter: The letter to count
        
    Returns:
        Number of times the letter appears in the word
    """
    return word.lower().count(letter.lower())

demo = gr.Interface(fn=letter_counter,
                    inputs=["text", "text"],
                    outputs="number",
                    placeholder="Result will be displayed here..."),
                    title="Sentiment Analysis",
                    description="This app analyzes the sentiment of the input text using TextBlob and returns the polarity, subjectivity, and assessment.",
                    theme="default")
demo.launch(mcp_server=True)   # exposes an MCP schema automatically