All the AI agents that can live in your text messages 

Rather than downloading another app, a growing number of agents can simply be texted like an ordinary person. You text it what you need, and it can remember context, connect to the apps and services you already use, and complete tasks on your behalf. That can mean scheduling an appointment, organizing a calendar, researching a trip, sending an email, making a reservation, shopping online, or reminding you about something days later.

While Instinct is one of the buzziest AI agents at present, thanks to its $10 billion valuation after its latest funding round of $1 billion, there are many others also making a play for this space. Below are some of the most notable options so far, from general-purpose personal assistants to agents designed for families, travel, and work.

Caddy is an AI assistant that turns the information scattered across your phone into things you can actually act on. It lives in iMessage for iPhone users and RCS for Android users, so there’s no separate app or inbox to constantly check. For instance, an email contains an appointment that needs…