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Mochi for Watch

Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

Mochi for Watch — Demo video

TL;DR: Everyday tasks like booking a haircut still require phone calls, coordination, and calendar updates. Mochi solves this with an AI companion on Apple Watch that takes your spoken request, calls the business on your behalf, and helps add the confirmed appointment to your calendar. Small tasks often involve more effort than they should: finding a number, calling a business, explaining what you need, agreeing on a time, and remembering the appointment. Voice assistants can answer questions, but the follow-through often falls back to you. Mochi turns a spoken request into a completed task. It pairs a playful, animated character with practical tools, so getting help feels like a conversation rather than navigating another app. Its core workflow is booking a haircut. You tell Mochi what you want and when you’re available. Using your saved preferences, it checks Calendar availability and calls the business on your behalf. Mochi identifies itself as an AI assistant, discusses a suitable appointment, and reports the outcome. You can then approve adding the confirmed booking to Calendar. The experience is designed for the wrist: hands-free conversation, speech-responsive animation, quick replies to common greetings, and simple tap controls to submit speech or interrupt a response. A companion iPhone app manages connections, preferences, and background tasks. Mochi combines Meta’s language and speech-recognition models, ElevenLabs voice generation, Twilio calling, and Google Calendar. It tracks task outcomes, restricts calling destinations, and requires approval for Calendar writes. It distinguishes confirmed results from uncertain outcomes rather than treating every request as a success. The goal is simple: spend less time managing everyday tasks on a screen and get useful help through a short conversation with a companion on your wrist.

Team