← The Diary

August 5, 2026

Where to Start With AI Agents: Pick One Real Job

BuildingAI agents

Start with one real job, not a whole system. Give it clear instructions, give it the one tool that job actually needs, and give it a trigger so it runs without you. Then watch what it does before you trust it with more.

The question I get most is where to start, and the honest answer is smaller than anyone expects.

Pick the job first

The best first job is small, repetitive, and low stakes if it goes wrong. Something you do weekly, that follows the same shape every time, and where a mistake is embarrassing rather than expensive.

Resist the instinct to start with the thing that annoys you most. That is usually the job with the most judgment in it, which makes it the worst place to learn what an agent is good at.

Then the three parts, in order

Instructions. Write down what "done well" means, once, somewhere the agent reads every run. If you find yourself retyping it, it is not instructions yet.

One tool. The one the job actually needs, not everything you might eventually want. Access is where the real risk lives, and it is much easier to add later than to take back.

A trigger. Something that starts it that is not you. A time, an event, a file arriving. Without this you have built something that only runs when you remember it.

Then watch it

Run it and read every output for a while. Not because you cannot trust it, but because this is the only way you learn where it fails, and every agent fails somewhere.

When you can predict what it will get wrong, you are ready to give it more. That is the whole progression, and there is no way to skip to the end of it.

How do I start using AI agents in my business?

Start with one real job that is small, repetitive and low stakes. Give it written instructions, the one tool that job needs, and a trigger that starts it without you. Then read its output for a while before expanding.

What is a good first task for an AI agent?

Something you do weekly that follows the same shape every time, where a mistake is embarrassing rather than expensive. Avoid the task that annoys you most, since that usually needs the most judgment.

How long should I supervise a new AI agent?

Until you can predict what it gets wrong. Once you can, you know where the limits are and can safely give it more.

Do I need a framework to start with agents?

No. One working agent teaches you more than any framework, because you learn what to check by watching a real job succeed and fail.

— Diary of an AI Practitioner —