fix: app.py name change for world time change file startup

README.md

@@ -5,7 +5,7 @@ colorFrom: purple
 colorTo: blue
 sdk: gradio
 sdk_version: 6.0.2
-app_file: app_world_time_mcp_server.py
+app_file: app.py
 pinned: false
 short_description: A minimal Gradio MCP server that provides timezone-aware dat
 ---

app.py

@@ -0,0 +1,118 @@
+"""
+World Time MCP Server - Upgraded version with city parameter
+=============================================================
+
+This is an upgraded MCP server that allows the LLM to specify
+which city's time to retrieve.
+
+This demonstrates how to create MCP tools with parameters.
+"""
+
+from datetime import datetime
+import pytz
+import gradio as gr
+
+
+def get_time_for_city(city: str = "Berlin"):
+    """
+    Get current time for any major city.
+    
+    Args:
+        city: City name (e.g., "Berlin", "Tokyo", "New York", "London")
+    
+    Returns:
+        dict: Time information for the specified city, or error if city not found
+    """
+    # Map common city names to IANA timezones
+    city_timezones = {
+        "berlin": "Europe/Berlin",
+        "london": "Europe/London",
+        "paris": "Europe/Paris",
+        "madrid": "Europe/Madrid",
+        "rome": "Europe/Rome",
+        "new york": "America/New_York",
+        "los angeles": "America/Los_Angeles",
+        "chicago": "America/Chicago",
+        "toronto": "America/Toronto",
+        "mexico city": "America/Mexico_City",
+        "tokyo": "Asia/Tokyo",
+        "beijing": "Asia/Shanghai",
+        "hong kong": "Asia/Hong_Kong",
+        "singapore": "Asia/Singapore",
+        "dubai": "Asia/Dubai",
+        "sydney": "Australia/Sydney",
+        "melbourne": "Australia/Melbourne",
+        "auckland": "Pacific/Auckland",
+        "moscow": "Europe/Moscow",
+        "istanbul": "Europe/Istanbul",
+        "cairo": "Africa/Cairo",
+        "johannesburg": "Africa/Johannesburg",
+        "sao paulo": "America/Sao_Paulo",
+        "buenos aires": "America/Argentina/Buenos_Aires",
+    }
+    
+    # Normalize city name
+    city_lower = city.lower().strip()
+    
+    # Check if city is known
+    if city_lower not in city_timezones:
+        return {
+            "error": f"Unknown city: {city}",
+            "message": "Please use one of the available cities",
+            "available_cities": sorted(city_timezones.keys())
+        }
+    
+    # Get timezone and current time
+    timezone_name = city_timezones[city_lower]
+    tz = pytz.timezone(timezone_name)
+    current_time = datetime.now(tz)
+    
+    return {
+        "city": city.title(),
+        "time": current_time.strftime("%Y-%m-%d %H:%M:%S %Z"),
+        "timezone": timezone_name,
+        "timestamp": current_time.isoformat(),
+        "utc_offset": current_time.strftime("%z"),
+        "day_of_week": current_time.strftime("%A"),
+        "is_dst": bool(current_time.dst())
+    }
+
+
+# Interface with input parameter
+demo = gr.Interface(
+    fn=get_time_for_city,
+    inputs=gr.Textbox(
+        label="City Name",
+        placeholder="Enter city (e.g., Berlin, Tokyo, New York)",
+        value="Berlin"
+    ),
+    outputs=gr.JSON(label="Time Information"),
+    title="🌍 World Time MCP Server",
+    description="""
+    This is an MCP server that provides the current time for any major city.
+    
+    **For Testing:** Enter a city name and click 'Submit'.
+    
+    **For AI Agents:** This server exposes the `get_time_for_city` tool via MCP protocol.
+    The LLM can specify which city's time to retrieve.
+    
+    **Example cities:** Berlin, Tokyo, New York, London, Paris, Sydney
+    """,
+    examples=[
+        ["Berlin"],
+        ["Tokyo"],
+        ["New York"],
+        ["London"],
+        ["Sydney"]
+    ],
+    api_name="get_time_for_city"
+)
+
+if __name__ == "__main__":
+    # Launch with MCP server enabled
+    demo.launch(
+        mcp_server=True,
+        share=False,
+        server_name="0.0.0.0",
+        server_port=7861  # Different port so both can run simultaneously
+    )