During March 2025, Mateng worked on the OpenManus projects, focusing on backend development and code quality improvements. In the menloresearch/OpenManus repository, he replaced string literals with Enum classes for roles and tool choices, enhancing type safety and code readability using Python and type hinting. In FoundationAgents/OpenManus, he addressed a bug in temperature handling by ensuring that zero is treated as a valid value, preventing unintended defaulting. He also refactored the LLM temperature parameter assignment for clearer, more maintainable code. Mateng’s contributions aligned design patterns across repositories, supporting future enhancements and improving developer velocity through safer, more reliable code.