Caddy - Your personal AI that lives in your texts
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Caddy is a proactive AI assistant you text like a friend. It lives in iMessage or SMS, watches your calendar, email, and chats, and texts you first when something needs attention. No app to download. From ex-Loom founders (YC F25), now in public beta.

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adding some specifics since the tagline is short: caddy lives in a normal imessage thread (sms/rcs on android) - no separate app to check. it watches your calendar, inbox and reminders and texts you first when something actually needs attention. you can drop it into a group chat to coordinate plans, send it a voice memo and it turns it into tasks, and it drafts replies in your own voice but always asks before sending or changing anything. that asks-first bit is what sold me - most agents in this space just do things and hope for the best