Anandraj contributed to the DynamoRIO/dynamorio repository by enhancing code documentation to support maintainability and ease of onboarding. He focused on integrating Doxygen links for the instr_t type across multiple header files, using C++ and leveraging documentation best practices. This approach reduced ambiguity and lookup time for developers navigating type definitions within the codebase. By establishing a documentation-backed baseline, Anandraj improved API navigation and set the stage for broader API coverage in the module. His work demonstrated a methodical application of software engineering and documentation skills, addressing documentation-related pain points rather than implementing new features or fixing bugs during this period.