services/mcp_service.py

from strands.tools.mcp import MCPClient
from mcp.client.sse import sse_client
from config.settings import settings
import logging
from typing import List, Any

logger = logging.getLogger(__name__)

class MCPService:
    """Centralized MCP service for managing Topcoder MCP client"""
    
    _instance = None
    
    def __new__(cls):
        if cls._instance is None:
            cls._instance = super(MCPService, cls).__new__(cls)
        return cls._instance
    
    def create_topcoder_client(self) -> MCPClient:
        """Create a Topcoder MCP client instance"""
        logger.info(f"Creating Topcoder MCP client for endpoint: {settings.TOPCODER_MCP_ENDPOINT}")
        return MCPClient(lambda: sse_client(settings.TOPCODER_MCP_ENDPOINT))
    
    def get_topcoder_tools(self, client: MCPClient) -> List[Any]:
        """Get available Topcoder MCP tools from the client"""
        try:
            tools = client.list_tools_sync()
            tool_names = [getattr(tool, 'name', str(tool)) for tool in tools]
            logger.info(f"Available Topcoder MCP tools: {tool_names}")
            return tools
        except Exception as e:
            logger.error(f"Error getting Topcoder MCP tools: {e}")
            return []

# Create a global instance
mcp_service = MCPService()