Marco focused on enhancing documentation for the addyosmani/agent-skills repository, delivering a standardized update to the Skill Description feature. He improved contributor onboarding and feature discoverability by enforcing third-person descriptions, specifying explicit 'Use when' trigger conditions, and clarifying required versus recommended sections across key documentation files. Using Markdown and applying documentation best practices, Marco coordinated updates to CONTRIBUTING.md, README.md, and docs/skill-anatomy.md, ensuring consistency and clarity throughout. While no bugs were fixed during this period, his work addressed structural gaps in the documentation, supporting a more accessible and maintainable contribution process for future developers engaging with the project.