bitjaru/styleseed

967 stars · Last commit 2026-10-01

Open-source design-method engine for Claude Code, Codex & Cursor. 23 agent skills for fixed design judgment, multiple grammars, semantic palettes, reference compilation, and evidence-verified UI. MIT.

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# StyleSeed

### Make expert design judgment<br />repeatable by coding agents.

<sub>StyleSeed turns recorded design decisions into project-local rules and implementation workflows. <b>Support experts, not replace them with a collection of tastes.</b> Open source, for Claude Code · Codex · Cursor.</sub>

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<a href="https://styleseed-demo.vercel.app/showcase">
  <img src="showcase/v26-compare.png" width="720" alt="Same product, same prompt — left: default AI output, right: with StyleSeed rules locked" />
</a>

**Same product. Same prompt. Only the rules changed.**

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