Worked on developer tooling for Cloudflare, focusing on authentication and Git integration workflows across cloudflare/workers-sdk and cloudflare/mcp-server-cloudflare repositories. Built a Smart Git detection system for the create-cloudflare CLI, which identifies existing Git repositories and prompts for integration only when necessary, streamlining onboarding and respecting user preferences. Refactored Git-awareness logic to improve maintainability and test coverage using TypeScript and Node.js. Additionally, delivered a unified authentication system for Wrangler initialization, automating Cloudflare login flows and reducing manual setup steps. Enhanced reliability and reduced onboarding friction by prompting browser-based login when required, leveraging full stack development and robust CLI development practices.