Worked on the NousResearch/hermes-agent repository to enhance the stability and performance of its OpenAI client integration. Focused on correcting the is_closed handling within the OpenAI SDK, this effort addressed a bug that previously led to unnecessary client recreation and inconsistent closed state detection. The solution involved treating is_closed as a method, ensuring accurate client lifecycle management. Comprehensive tests were added to validate the fix and prevent regressions, supporting long-term maintainability. Leveraging Python for both bug fixing and testing, the work demonstrated a methodical approach to API integration, resulting in clearer runtime behavior and improved reliability for mission-critical workflows.