I don't see any content from the SKILL.md source file in your message. Without being able to read what's actually in that file, I can't write an honest, specific editor's note about what this skill does or when you'd use it. The name "brief" and empty description don't give me enough to work with. Could you share the actual content of the SKILL.md file so I can write something concrete about its functionality, parameters, or use cases?
npx skills add https://github.com/alirezarezvani/claude-skills --skill brief