Developed and delivered a platform-specific filename validation feature for the Sema4AI/actions repository, enhancing AgentServer’s ability to store files reliably across Windows and Unix-like systems. The solution involved refactoring the existing validation logic into separate functions tailored for each operating system, ensuring that legitimate filenames are accepted without imposing unnecessary restrictions. This approach improved maintainability and predictability of file storage behavior, reducing the risk of OS-level errors in Studio deployments. The work was implemented using Python, with a focus on backend development and unit testing, and included comprehensive documentation updates and code formatting improvements to support ongoing maintainability.