Hack #8: Cursor · Cursor
14 May, 15:28
One-Arm Parent is a voice-first web app for caregivers who are holding a baby and can't touch their phone. It solves a universal problem: every new parent ends up exhausted at 3 AM, one hand on the baby, unable to type, tap, or navigate a traditional app. One-Arm Parent lets you do everything by voice. Say "start sleep routine" and the app guides you step-by-step through a calming bedtime sequence with ambient sounds like white noise, rain, or heartbeat. Say "log feeding" or "dirty diaper" and the app records it instantly with no forms or keyboards. Say "what happened today" and it reads a spoken summary of the baby's day so you can hand off context to the other caregiver without writing anything down. The app even whispers its responses during sleep routines to avoid waking the baby, and includes soft voice reminders so you never miss the next feeding or nap window. The entire audio experience is powered by ElevenLabs: Conversational AI understands commands and responds naturally in a warm, calm tone, Text-to-Speech delivers all confirmations, guided steps, whispered prompts, and summaries aloud, and every pre-generated asset including lullabies, ambient sounds, soothing textures, confirmation chimes, reminder tones, and fallback phrases was created using ElevenLabs' audio generation capabilities. The app was built end-to-end with Cursor, which accelerated everything from scaffolding the Next.js architecture and designing the XState state machine to wiring the ElevenLabs SDK and iterating on voice command parsing. The design is intentionally voice-first, not a traditional UI with voice bolted on, with graceful error recovery, closed intents for reliability, and always-visible mic and audio state so the caregiver never has to stare at a screen. Built with Next.js 16, React 19, TypeScript, XState, Howler.js, Tailwind CSS, and the ElevenLabs SDK.
