
Design Rails
Get an agent-ready brand in minutes
137 followers
Get an agent-ready brand in minutes
137 followers
Chat with an AI creative director. Get a complete brand identity in minutes—logo, colors, typography, voice & tone, UI styles—all packaged as agent-ready files. No more generic UI. Drop the files into your project, and tools like Claude and Lovable generate on-brand UI from day one.










PRDKit
Big thanks for the launch lift, YC & @garrytan!
Hey Product Hunt 👋,
Here's the backstory - last year, we needed a new brand for a product we had built quickly and were going to ship within days. We couldn't justify paying thousands of $'s on a brand before PMF, nor could we afford waiting weeks for the full design cycle.
Plus, we wanted more than a visual reference in Figma, or a homepage template. We needed a design system that we could handoff to agents to carry the brand consistently across app workflows, and marketing channels. It needed to include UI styles, voice & tone guidelines, a logo and logo derivatives that'll work well for a favicon, and light and dark themes.
We talked with other builders who were in the same boat and realized this was a common problem. So, we built Design Rails.
Looking forward to hearing how it works for you, and happy to answer any questions!
@garrytan @ehudhal When I'm in a tight MVP sprint, the agent starts freelancing, new spacing, new radii, slightly different blues. Design Rails shipping a design-context folder with agent-instructions.md and W3C design-tokens.json is the kind of handoff that actually works. Do you also generate CSS variables or a Tailwind theme from the tokens so the app and landing page don't drift apart? That last mile is where brand kits usually fall apart.
PRDKit
@piroune_balachandran Design Rails generates markdown files with usage instructions and examples including CSS snippets, and a structured design tokens json file. The design tokens format was designed to be stack agnostic, and you can instruct your coding agent to use it to create a tailwind (or other frameworks) files from it.
Check out Style Dictionary for a non-AI library to convert design tokens to different formats: https://styledictionary.com/examples/basic/
@ehudhal Congrats. Can I swap campaign variables while preserving brand identity? And can one brand system generate assets for multiple channels?
PRDKit
@kimberly_ross Thanks! What's an example of campaign variables you'd like to swap?
Design Rails generates design system - colors, typography, UI element styles, voice & tone, logos - are these the type of assets you're thinking about for different channels? Or are you looking for branded social content?
@garrytan @ehudhal Hi Ehud - this hits a real early stage pain. Paying for a full brand before PMF rarely makes sense, but shipping without a consistent system creates chaos later.
Design Rails feels practical, especially if it covers UI, voice, and agent ready guidelines, not just visuals.
I’m building Ahsk, a macOS AI assistant focused on helping founders execute faster. Would love to connect and exchange feedback.
Product Hunt
PRDKit
@curiouskitty- that's pretty much the process. You provide the partial brand (e.g. hex values, typography, visual concepts) as an input to give an initial direction, and you get a more complete brand system. If we define "stable system" as "the UI I'm building doesn't look generic and the AI consistently follows the brand guidelines" - once you're happy with the brand and add the exported package as design context, the LLM picks it up immediately and does a really good job following it.
PRDKit
@t1m0slav Thanks for giving it a try, and for the feedback!
The logos are a fun problem :) If you gave a thumbs down to those that weren't helpful that'll help us look into the specifics and tune it up further. Or, if you're open to sending over the thread ID (URL) over to hello@designrails.com that would be much appreciated.
In many of the runs, we've been blown away by the creativity the AI achieves (looking at you, nano banana) in capturing concepts, and reflecting the desired style. It fails at times, and there's more work to do! What often works well is going beyond the single-shot, asking for (free) variations and steering it with revision guidance to hone-in on the concept you have in mind.
Do logos designed using Design Rails have full intellectual property rights?
PRDKit
@lunaria_amaya Yes. Once you purchase, you receive full rights to the specific assets generated for you.
As with most brand designers, we don’t conduct trademark clearance or guarantee registrability, so we recommend running a trademark search before commercial use.
You can find the full details in our Terms here: 4.2 Generated Assets; Ownership; License.
Congratulations on the launch! Can I provide your AI with style examples so it can create a similar design? Directly as an image.
PRDKit
@mykyta_semenov_ Thanks! You can't provide a reference image directly just yet.
I liked onboarding and user flow, but logos are very generic. Hope improve it soon
PRDKit
@vasilbo thanks for checking it out and for the feedback. 🙌
This is exactly the gap I keep hitting. I use Lovable and Claude for most of my projects and every time the AI just picks its own design system. Ends up looking like every other vibe coded app. Curious how the agent-ready files work in practice - is it like a system prompt the AI reads, or actual CSS/token files it imports?
PRDKit
@mykola_kondratiuk The files are markdown with semantic annotation and usage examples. Plus a JSON file for design tokens that's more structured and can be used to translate (programmatically via Style Dictionary, or by the LLM) to different file formats. Plus logo files in PNG and SVGs.
You can download a sample (simplified version) here: https://designrails.com/brand-books#sample-package