Add professional startup banner with contributor acknowledgments

- Display mcmqtt version, features, and project information
- Include both Ryan Malloy and Claude (Anthropic) as contributors
- Show repository and PyPI URLs for easy reference
- Professional styling with Rich console formatting
- Banner appears in both STDIO and HTTP transport modes
- Enhances user experience with clear project attribution

src/mcmqtt/main.py

@@ -49,6 +49,35 @@ def create_mqtt_config_from_env() -> Optional[MQTTConfig]:
         return None
 
 
+def show_startup_banner():
+    """Display the mcmqtt startup banner with version and contributor info."""
+    version = get_version()
+    
+    banner = f"""
+╭─────────────────────────────────────────────────────────────────╮
+│                    🚀 mcmqtt FastMCP MQTT Server                │
+│                                                                 │
+│  Version: {version:<20} Transport: FastMCP Protocol     │
+│                                                                 │
+│  📡 Features:                                                   │
+│    • Instant MQTT broker spawning                              │
+│    • Real-time agent coordination                              │  
+│    • Production-ready infrastructure                           │
+│    • Global ecosystem connectivity                             │
+│                                                                 │
+│  👥 Created by:                                                 │
+│    • Ryan Malloy <ryan@malloys.us>                             │
+│    • Claude (Anthropic)                                        │
+│                                                                 │
+│  🌍 Repository: https://git.supported.systems/MCP/mcmqtt       │
+│  📦 PyPI: https://pypi.org/project/mcmqtt/                     │
+│                                                                 │
+│  Built with ❤️ for the AI developer community                  │
+╰─────────────────────────────────────────────────────────────────╯
+"""
+    console.print(banner, style="cyan")
+
+
 def main_server(
     transport: str = typer.Option("stdio", "--transport", "-t", help="Transport mode: stdio (default) or http"),
     host: str = typer.Option("0.0.0.0", "--host", "-h", help="Host to bind the server to (HTTP mode only)"),
@@ -62,6 +91,9 @@ def main_server(
 ):
     """mcmqtt FastMCP MQTT Server - Enabling MQTT integration for MCP clients."""
     
+    # Show startup banner
+    show_startup_banner()
+    
     # Create MQTT configuration
     mqtt_config = None