# TRACE — The customs house of the agentic brain

> Published: 2026-08-01T15:48:50.4+00:00
> Updated: 2026-08-01T15:50:08.403+00:00

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## Agents are the hands. This is what sits behind them.

## What goes in, what happens inside, what comes out

An agent asks. The door receives, decides what deserves to pass, puts it in the shape everything else understands and sends it where it belongs. Nothing reaches the top without crossing here.

## Four pieces and a single door

## All of this, behind the same door

An agent does not need to know where each thing lives. It asks for what it needs and the door takes care of it: same credential, same record, whatever the service and whatever the day.

## What changes when there is a layer underneath

## Onboarding an agent is three decisions

## What people usually ask