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Architect · worked example

Greg the Houseplant Keeper: an AI agent that knows when to water your plants.

Most plants die two ways: forgotten, or loved to death on a fixed weekly schedule. Greg is an AI agent that watches each plant’s species and its light, then tells you exactly when to water — no more guessing, no more drowned ferns.

What is Greg the Houseplant Keeper?

Greg is a worked example of an AI agent you can build with Architect. It keeps a record of each plant — species, light, pot size, last watered — and pings you only when a plant is genuinely due, instead of a blanket weekly reminder that kills the succulents and starves the ferns. It advises; it never touches a real watering system on its own.

What it does

A pothos in low light wants water every ten days; the same pothos in a bright window wants it every four. A fixed reminder can’t tell the difference — Greg can. It reasons from species and conditions, tracks when each plant was last watered, and only speaks up when a plant actually needs you. Quiet most of the week, right on the day it matters.

How you build it in Architect

In the AI agent builder you describe the job and get back a working agent. Four choices carry it: a per-plant memory, a bit of horticultural reasoning, a daily cadence that stays silent unless something’s due, and a guardrail that Greg only advises. Answer the wizard along those lines and the files that run it drop out the other side.

Who it’s for

Anyone who’s killed a plant they meant to save — and, at the small-business end, plant shops, offices and Airbnb hosts who keep greenery alive across many rooms. It’s a small, concrete proof that an AI agent is just a reliable employee for a job you keep forgetting to do.