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Labs

Things we built for ourselves.

Products and AI agents we build and run in-house. They keep our skills sharp, and they let you see what we can build before you spend anything. Try one below.

Try an agent

Five small agents running live. Pick a sample or use your own input, and every decision shows how sure the agent is.

Live

Pick a customer email or write your own. The agent works out what the customer wants, how urgent and upset they are, then picks a reply or hands the email to a person.

Inbox agentReady

Pick a sample and press "Run the agent" to see each decision.

Runs on Clef, a decision model on Cloudflare Workers AI. Nothing you type, upload or record is stored.

Why we build Labs

We test on ourselves first

New models and tools run on our own work before they go near a client project.

You see it before you pay

Try a working agent in a minute instead of reading a deck about one.

It keeps us honest

When our own inbox depends on an agent, we learn fast what breaks and how to fix it.

Want one like this for your team?

Tell us which process you'd hand to an agent. Free discovery call, reply within one business day.

Or email hello@just.engineer

What do you need?
We reply within one business day.