app.py

import json
import gradio as gr
from textblob import TextBlob

def sentiment_analysis(txt: str) -> str:
    """
    Analyzes the sentiment of a given text

    Args:
        text (str): The text to analyze

    Returns:
        str: A JSON string containing polarity, subjectivity, and assessment
    """
    blob = TextBlob(txt)
    sentiment = blob.sentiment

    result = {
        "polarity": round(sentiment.polarity, 2),  # -1 (negative) to 1 (positive)
        "subjectivity": round(sentiment.subjectivity, 2),  # 0 (objective) to 1 (subjective)
        "assessment": "positive" if sentiment.polarity > 0 else "negative" if sentiment.polarity < 0 else "neutral"
    }

    return json.dumps(result)

demo = gr.Interface(
    fn=sentiment_analysis,
    inputs=gr.Textbox(placeholder="Enter text to analyze..."),
    outputs=gr.Textbox(), 
    title="Sentiment Analysis",
    description="Sentiment Analysis using TextBlob as an MCP Server"
)

if __name__ == "__main__":
    demo.launch(mcp_server=True)