Worked on the github-mcp-server repository to improve backend reliability by addressing a bug related to input handling in Go. Focused on strengthening the processing of optional string array parameters, the developer implemented logic to treat nil values as empty strings, which reduces runtime errors and enhances data integrity when handling array-based API inputs. This targeted fix not only prevents potential failures but also simplifies future maintenance. Alongside the bug fix, lint improvements were applied across the codebase to elevate overall code quality. The work demonstrates attention to robust backend development practices and a methodical approach to maintaining clean, reliable Go code.