Worked on agent development and prompt engineering for microsoft/magentic-ui and awslabs/agent-squad, focusing on targeted improvements to code quality and agent communication. Delivered a feature enabling dynamic date insertion in CoderAgent and FileSurfer prompts, ensuring runtime context remains current and reducing stale information. Addressed prompt text typos to enhance professionalism and user trust. In awslabs/agent-squad, refactored Python type annotations by replacing built-in any with typing.Any, improving static analysis and maintainability. Demonstrated attention to detail through precise code refactoring and typo correction, leveraging Python and type hinting to support cleaner QA cycles and more reliable agent-driven user experiences.