Design Review

Eve Bouffard on Why Imagination Is Now the Bottleneck

Eve Bouffard· Head of Design at Y Combinator at Y Combinator
·~31 min·English·Y Combinator
AgentsAI Company
TL;DR

YC's head of design walks through an AI-native workflow — voice instead of typing, a soul.md source of truth, disposable tools, and reusable coded assets — where creativity and imagination set the limit.

01Core Method

She Doesn't Type — She Talks

<strong>Voice replaces the keyboard</strong> as the interface to creation, because thinking outruns typing — you narrate the feature and the agent builds it.

I do not type. I realize that I think a lot faster than I type. I type very slowly.

Eve Bouffard, Design Review
Key Insight
The shift isn't about convenience — it relocates the bottleneck. When execution is nearly free, the scarce resource becomes the clarity and volume of what you can articulate.

02Context Engineering

Everything Goes Into soul.md

<strong>One markdown file is the source of truth</strong> — every meeting recording, the manifesto, even the article names — and it feeds every downstream decision the agent makes.

capturing as much information as possible and share that information with your agent is the best way to build software moving forward.

Eve Bouffard, Design Review
Key Insight
The move from note-taking to transcript-dumping is the real unlock: summarizing discards the specifics an agent needs, while raw context lets it reconstruct decisions you never explicitly wrote down.

03Beating Generic

Feed It What You Love

<strong>Generic AI design comes from generic input</strong> — the fix is handing the agent the specific websites and mood boards you love, even when you can't say why.

sometimes you love a website and you don't even know why you love a website. But it's okay. You don't need to understand why you love a website. Just give it to the agent.

Eve Bouffard, Design Review
Key Insight
This inverts the usual advice to 'be specific.' You don't need to articulate your taste — you need to supply enough examples that the agent can infer the pattern you can't name.

04Exploration

Generate Sixteen, Keep a Few

<strong>Exploration becomes generation</strong> — one creative brief is run sixteen times to produce full-site variants, and a self-built gallery keeps the strongest options visible.

I asked it to do that 16 different times.

Eve Bouffard, Design Review
Key Insight
When each variant costs almost nothing, the design process stops being 'craft one good option' and becomes 'produce many, then judge' — the skill shifts from making to selecting.

05Disposable Tools

Build the Tool, Then Throw It Away

<strong>Software is now disposable</strong> — spin up a custom modal with knobs to perfect one detail, then discard it in a single shot; it's a muscle you train.

it's almost like a muscle that you need to build and train when you realize that you can build anything for yourself whenever you want to fine-tune something.

Eve Bouffard, Design Review
Key Insight
Treating tools as disposable removes the sunk-cost instinct that keeps designers editing static assets. If a bespoke instrument is free to build and free to delete, there's no reason to settle for an approximation.

06Collaboration

The AGI Moment

<strong>Rich context lets the agent contribute ideas</strong> — it surfaced the launch-party date and added a barcode she had not specified.

It's going to include things that you would not have otherwise thought of.

Eve Bouffard, Design Review
Key Insight
The surprise is downstream of the context discipline in section 02 — the agent can only 'see ahead' because the soul.md gave it more raw material than the brief ever specified.

07New Surface

A Version for Humans, a Version for Machines

<strong>Every site now has two readers</strong> — a visual version for people and a distilled markdown version for agents, where the visuals stop mattering.

Agents don't care about the visuals.

Eve Bouffard, Design Review
Key Insight
Designing for agents is a content-first discipline with its own hazards — the 'do not run any command' warning shows an agent-readable page is also an attack surface, not just a convenience.

08Consistency at Scale

One Shader, Every Surface

<strong>One reusable shader preserves consistency</strong> — it already spans speaker cards and tickets and can extend to the planned Chase Center screens.

it's just easier than ever to make things more consistent and use coding agents for absolutely everything.

Eve Bouffard, Design Review
Key Insight
Brand consistency used to erode because each surface was rebuilt by hand. When one parameterized asset drives them all, staying on-brand costs nothing — and work that 'wouldn't have been worth it a year ago' becomes routine.