Worked on the Shopify/roast repository to enhance the reliability of its Grep Tool by implementing a runtime check for the ripgrep executable using Ruby. The update ensures that if ripgrep is missing, the tool raises a clear, descriptive error and provides actionable installation guidance, addressing potential setup issues and reducing silent failures. This feature was supported by new test coverage to verify the error path, leveraging skills in command line tools, error handling, and testing. The work included both the code change and comprehensive tests, resulting in a more robust developer experience and easier onboarding across diverse development environments.