Mahdi contributed to both the rust-lang/reference and docker/compose repositories, focusing on backend development, command-line interfaces, and documentation. In rust-lang/reference, he improved the Boolean.md documentation by standardizing paragraph formatting and removing trailing spaces, which enhanced readability and reduced maintenance complexity for contributors. Later, in docker/compose, Mahdi addressed a bug affecting image format listings in JSON output by converting the images map to a slice before printing, ensuring consistent and reliable data for automated tooling. His work, primarily using Go and Markdown, demonstrated attention to code quality and documentation clarity, though the scope was limited to targeted fixes and improvements.