added proper logging to the mcp agent mode

mcp.go

@@ -54,6 +54,9 @@ func (w *mcpGoClientWrapper) Close() error {
 // Global server configurations
 var mcpServers map[string]MCPServerConfig
 
+// GlobalLogger is an optional logger for MCP connections
+var GlobalLogger func(format string, v ...interface{})
+
 // InitMCPServers sets up the global registry for MCP factories
 func InitMCPServers(servers map[string]MCPServerConfig) {
   mcpServers = servers
@@ -66,6 +69,10 @@ var defaultMCPFactory MCPClientFactory = func(toolset string) (MCPClientInterfac
     return nil, fmt.Errorf("unknown MCP server: %s", toolset)
   }
 
+  if GlobalLogger != nil {
+    GlobalLogger("Initializing MCP connection to %s via %s", toolset, cfg.Transport)
+  }
+
   var c *client.Client
   var err error