Hand Claude Code a website and an ad budget to run on its own
A web developer gave Claude Code a baseline site, ad accounts with a budget, and scraping tools, and lets it make marketing decisions every four hours.
Design product UI in code with Claude instead of Figma mockups
A Jane Street designer, once an AI skeptic, now does most design work with Claude Code instead of specs and Figma mockups.
- Difficulty
- IntermediateOur rating
- Time to build
- Not reportedOur estimate
- Monthly cost
- Not reported
- Revenue
- Not reportedWe only show revenue the source states
- Engagement
- 324 HN points266 comments · fetched Oct 15, 2026
What they did
Edwin Morris replaced spec docs, mockups and proposals with working prototypes built with Claude Code in the real stack.
How it went
He says it changed the part of his job he was best at.
Worth knowing
His earlier tries with Copilot, Cursor and Gemini on things he was already good at disappointed him.
Builder recipe
Our own starting point, written from the source. Adapt it to your setup.
Stack
- Claude Code
Steps
- Open the repo in your coding agent and describe the goal and constraints.
- Ask for a plan first, then let it implement in small, reviewable steps.
- Run the tests or the app after each step and feed errors back.
- Review the diff before merging.
Starter prompt
Prototype this settings screen in our real component library with three layout options I can click through.Tags
Read the original
- Hacker News: news.ycombinator.com/item?id=48431981 ↗ (opens in new tab) Jun 7, 2026 · 324 points, 266 comments (fetched 2026-10-15)
- Web: blog.janestreet.com/i-design-with-claude-code-more-than-figm ↗ (opens in new tab) Jun 7, 2026
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