Flowstep 1.0 - AI design engineer. Design & ship real UI.

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Flowstep is the AI design engineer for developers and technical designers tired of rebuilding designs in code. Prompt or edit on an infinite canvas. Export production code or connect with your agents and apps via MCP. What you design is exactly what ships.

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How does this compare to pencil dot dev or Claude design?

 Thanks for the question.

It's different shapes for different workflows. Pencil is a design canvas inside your IDE. Claude Design is broader in scope (decks, prototypes, one-pagers) and bundled with a Claude subscription.

We're more focused: a standalone web app for UI generation, with clean React/Tailwind output and one-click Figma export. Better designing and iteration experience. No IDE setup, no Claude plan required to try it.

 thanks for the question!

do you have an in house model?

 we use a mix of models, depending on the task and stage.

👋 Matt here, co-founder of Flowstep.

Last year, we shipped Flowstep as an AI designer. But you kept telling us the same thing:

"it gets me 80% there, then I rebuild the whole thing in code"

We fixed that.

Flowstep is now an AI design engineer.

→ Prompt or manually edit on an infinite canvas

→ Get production React + TypeScript + Tailwind + shadcn

→ Export the code, or pipe it into Cursor / Claude Code / Windsurf via MCP

Why this exists: The process of fast iteration, multiple concepts next to each other, full control in an infinite canvas 🤌 You shouldn't have to give up that experience because of a translation layer. That's why design and code are the same thing in Flowstep.

Free to try at , paid plans available from $15 p/m.

💬 Drop a comment — tell us what's missing. We listen and ship multiple times per day.

Congrats on the launch, good luck team! 💪🏻

 Thanks Paulina, appreciate it 🙏

 thanks! 🙌

 Huge thank you!

wooooow so cool !!

 ❤️

 thanks Tristan, be sure to let us know what to improve ;)

Wishing GL with the launch :)

 thanks Nika, appreciate it ❤️

 you are welcome guys :)

 thanks a lot!!

Great looking UI, will test it out 🔥

 Thanks Ivan, let us know what you think ;)

 thanks!! Let us know what we could improve 🙌

💡 Bright idea

to answer your question: the one thing usually missing in these tools is state management. if flowstep can help scaffold the basic useState or useEffect logic while i'm building the ui on the canvas, i’m never opening figma for web work again. definitely checking out the free trial today..

Design to UI without the handoff gap is a holy grail. Does it write a production-ready code or still need a dev pass before shipping?

 Honest answer – it depends on your standard for production-ready code.


Flowstep outputs clean React + Tailwind you can ship as-is for most UIs. API and state wiring – if the app needs any – that's still on devs. At least, today. So the real question is: where's your line?

the '80% there then i rebuild in code' line is exactly why i stopped opening figma. running claude code daily and the design to prod handoff has been the biggest tax on shipping fast as a solo founder. mcp export into the coding agent is the right shape. trying it today !

 can totally relate 🙌 Let us know if anything feels missing with MCP

 exactly what Matt said – share all feedback you have after today!

💎 Pixel perfection

Yeah! Building fast sometimes means it's harder than ever to get a consistent and cool design. Even more if you need to update core design parameters and I'm sure Flowstep gonna help a lot on it

 So true. Consistency is the hard part. We shipped last week for exactly this — define your design rules once, every generation respects them. Drop your design guidelines in and see what comes out ;)

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