During August 2025, Amjith contributed to both the zed-industries/codex and openai/codex repositories, focusing on enhancing text editing and developer experience. He implemented keyboard shortcuts for cursor movement in the chat composer, improving navigation efficiency for users. In openai/codex, he added yank and undo functionality to the text area, enabling users to copy and revert text changes through intuitive shortcuts. Amjith also improved documentation by refining the README for clarity and providing detailed local development setup instructions. His work leveraged Rust for CLI and text editor development, with attention to UI/UX design and documentation quality, demonstrating solid engineering depth.