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Notes on agents that finish things
Plain writing about AI agents — what they actually do, where they fail, and how to get useful work out of one. No hype, and no pretending the limits aren't there.
- explainerWhat is an AI agent?An AI agent takes actions to finish a task rather than only answering questions. How agents differ from chatbots, what they are good at, and where they still fail.7 min read
- guideAn AI assistant that lives in iMessageThe three ways to put an AI assistant in iMessage in 2026 — business chat agents, phone-number services, and self-hosting — plus the privacy tradeoffs of each.6 min read
- use-caseLet something else do the waitingHow AI agents handle long-running price drops, restock alerts, and availability watches — what they catch, what they miss, and how to phrase a watch that works.5 min read
Stop reading about agents. Text one.
Cael lives in iMessage and Telegram. Give it a task and it works the steps, then messages you when it's done.
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