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Posted by SirHound 13 hours ago

Show HN: CSS Studio. Design by hand, code by agent(cssstudio.ai)
Hi HN! I've just released CSS Studio, a design tool that lives on your site, runs on your browser, sends updates to your existing AI agent, which edits any codebase. You can actually play around with the latest version directly on the site.

Technically, the way this works is you view your site in dev mode and start editing it. In your agent, you can run /studio which then polls (or uses Claude Channels) an MCP server. Changes are streamed as JSON via the MCP, along with some viewport and URL information, and the skill has some instructions on how best to implement them.

It contains a lot of the tools you'd expect from a visual editing tool, like text editing, styles and an animation timeline editor.

134 points | 91 commentspage 4
nc1zdev 11 hours ago|
awesome, can imagine it's a game-changer in frontend dev agentic development
65 8 hours ago||
Any website that isn't some landing page or basic blog is going to need human intervention in the code (craftsmanship, essentially). And any website that's a landing page or basic blog already has a million tools for GUI design.

I would be surprised if this takes off as site builders are already an incredibly crowded space.

thrownaway561 10 hours ago||
"Hi HN! I've just released CSS Studio, a design tool that lives on your site, runs on your browser, sends updates to your existing AI agent, which edits any codebase. You can actually play around with the latest version directly on the site."

I didn't see anything like that in the video you posted on the homepage. Personally I found the video VERY confusing on what exactly the benefit of the product is and actually how to use it. The music also was annoying and made it hard to focus on the actual video.

You might want to redo it and concentrate on explaining exactly what the benefits of your product are over the 50+ other products just like this one.

ape4 8 hours ago|
The music was trying too hard ;)
Yabood 5 hours ago||
I don’t know, I like it.
agomezc01 8 hours ago||
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alexbuilder 5 hours ago||
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alexbuilder 5 hours ago||
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zephyrwhimsy 8 hours ago||
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zephyrwhimsy 8 hours ago|
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