Here’s a realistic shape for how an AI agent gets built over a week of Builder Sessions — not a case study, just how the work actually breaks down when you draw it against a baseline build credit.

Session one: scope and skeleton (45 min)

The first session rarely touches a line of agent logic. It goes to naming the one job the agent has to do — answer a specific class of question, route a specific kind of request — and standing up the skeleton: the empty flow, the connection to wherever its data will come from, a placeholder response. The output of session one isn’t a working agent. It’s a working shell you can point at and say “yes, that’s the shape.”

Session two: the first real conversation (45–60 min)

This is where the agent gets its actual instructions and its first real data source wired in. It’s also where most of the messy back-and-forth happens — what should it say when it doesn’t know the answer, what should it never say, where does it hand off to a human. None of that gets settled in the abstract; it gets settled by running the agent against real test questions and watching what comes back.

Session three: edge cases and guardrails (30–45 min)

Every agent looks fine on the happy path and falls apart on the third weird question. Session three is deliberately spent trying to break it — ambiguous requests, questions outside its scope, users who type nonsense — and tightening the guardrails until it degrades gracefully instead of confidently making things up.

Session four: staging deploy and verification (30 min)

The agent moves to a staging environment, not production. Staging-first isn’t a slogan here — it’s the actual sequence: verify the agent behaves the same way in staging as it did in test, check it against a fresh set of questions nobody has tried yet, and only then talk about what production would need.

Session five: the go/no-go conversation (30 min)

The last session in the week is usually the shortest and the most important. It’s a plain review of what’s actually working, what’s still rough, and an honest call on whether production is next or whether the agent needs another week in staging. Sometimes that’s a fast yes. Sometimes the right outcome of session five is “not yet” — and that’s still a successful use of the week, because a week of sessions that ends in an honest no-go beats a rushed production deploy of something half-tested.

Why a week, not a day

Compressing this into one long session tends to produce an agent that looks done and isn’t — the edge-case work in particular needs a gap between sessions so the rough spots have time to surface. Spreading it across a week, drawn from the same build credit, is what makes the difference between a demo and something that holds up in front of real users.

Have an agent idea and a week to spend on it? Book your first Builder Session and start with the skeleton.