styleguide.fyi alpha
style guide from your favorite brands
styleguide.fyi alpha launched on October 31, 2025 with 7 votes, #2,779 of 8,178 launches that month.
What it does
Inspired by https://labs.google.com/pomelli, I finally got to use my domain https://styleguide.fyi/ and run Claude Agent SDK in an Actor to make style guides for ~10 cents for tokens per run. A page takes about 5 mins of active run and likely longer if there is a queue. The email input currently just saves to a Resend account that I'll manually trigger in this Alpha. If anyone uses it, there's no email campaign. This is free for now and I hope you give it a try! Thanks.
A practical reference for brand, content, and code style guides
Instagram's brand guidelines are less about the gradient and more about the name. Where the official rules live, what needs written permission, and the three moves worth copying into your own style guide. DESIGN.md is a single markdown file that packs a design system's tokens and rationale into one place a coding agent can read — a brand guide and a design-system tokens file collapsed into one artifact, written for a non-human audience. A style guide is a document. A design system is code. The overlap is real, and the cost of confusing them is shipping the wrong artifact to the wrong team. Voice is what stays the same across every piece of writing. Tone is what shifts based on who you're…from styleguide.fyi
Does a similar job
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More growth this month
the category →
wallhop is a free paywall bypass. Paste any article link to read it without paywall popups, ads or clutter. No signup, no extension. A simple 12ft.io alternative.
Growth · 12d ago · wallhop.io
Source: Product Hunt launch ↗
Launched alongside, October 2025
the whole month →
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