feat: add MCP server base URL configuration utility

Added a new configuration utility function GetMcpServerBaseUrl() to:
- Define a default MCP server base URL
- Allow custom configuration via Viper
- Provide a consistent way to retrieve the MCP server base URL

core/utils/config.go

@@ -35,6 +35,7 @@ const (
 	DefaultPyenvPath           = "/root/.pyenv"
 	DefaultNodeModulesPath     = "/usr/lib/node_modules"
 	DefaultGoPath              = "/root/go"
+	DefaultMcpServerBaseUrl    = "http://localhost:9000/sse"
 )
 
 func IsDev() bool {
@@ -285,3 +286,10 @@ func GetGoPath() string {
 	}
 	return DefaultGoPath
 }
+
+func GetMcpServerBaseUrl() string {
+	if res := viper.GetString("mcp.server.base_url"); res != "" {
+		return res
+	}
+	return DefaultMcpServerBaseUrl
+}