During December 2025, contributed to the mastra-ai/mastra repository by enhancing the Stock Price Tool with robust error handling, ensuring clearer user feedback and more reliable API integration when fetches fail. Addressed a critical bug by removing a non-existent legacy-workflows import and introduced a streamlined dev script, simplifying the quick-start workflow for local development. These updates, implemented using TypeScript and full stack development practices, reduced runtime errors and improved onboarding for new contributors. The work focused on maintainability and developer experience, demonstrating effective use of TypeScript/TSX tooling and thoughtful improvements to development workflows and project configuration.