Voice-to-code prompt engineering for developers. Talk naturally, ship production-ready code. CyphrKey transforms casual speech into optimized prompts for your AI coding tools. Three modes: Echo (clean transcription), Cyphr (debugging prompts), and Composer (production-ready instructions with error handling, types, and accessibility). It knows your codebase, references your actual files, and works with Claude Code, Cursor, and any AI tool. Free 5-day trial.