head to head · open source
ux-ui-agent-skills vs openharness
ux-ui-agent-skills has 3,164 GitHub stars, 307 forks, 6 open issues and last shipped 3 days ago. openharness has 1,482 stars, 145 forks, 40 open issues and last shipped yesterday. ux-ui-agent-skills leads on adoption by 113% (3,164 vs 1,482 stars). ux-ui-agent-skills is written in JavaScript under MIT; openharness is written in TypeScript under MIT. ux-ui-agent-skills has attracted 10% as many forks as stars, openharness 10%. openharness was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, claude-code), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ux-ui-agent-skills | openharness | |
|---|---|---|
| GitHub stars | ★ 3.2K | ★ 1.5K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-10 | 2026-11-12 |
| Forks | ⑂ 307 | ⑂ 145 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ux-ui-agent-skills if
- You weight community size — 3.2K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick openharness if
- You want the openharness feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and openharness fits your workflow better
About ux-ui-agent-skills
UX/UI Agent Skills Turn Claude into a Senior Design Architect — 15+ years of expertise in design systems, accessibility, and production ready component engineering. A comprehensive kit of structured instructions, design tokens, runnable skills, and 138 brand grade design systems that turn Claude into a UX/UI expert agent — targeting any framework and any design system . Drop it into any project for consistent, accessible, token driven design outputs, every time. Current release v2.8.0 · Changelog · No build tools, dependencies, or runtime — a pure instruction and knowledge layer for AI agents. The output…
read the full ux-ui-agent-skills overview →
About openharness
Follow your curiosity. Build across disciplines. OpenHarness is open source software and hardware for building with coding agents. Use Claude Code, Codex, and others to make software, design parts and circuit boards, explore data, and create videos, with your agents, domain tools, and live viewers in one place and sessions that persist across every machine you own. The old rule said ten thousand hours to a craft. That was the tax on curiosity, and most of us could only afford to pay it once, so we specialized and called the rest hobbies. Coding agents become the specialists, given the tools of a craft and a way…
read the full openharness overview →
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Frequently asked questions
Is ux-ui-agent-skills or openharness more popular?
ux-ui-agent-skills has 3,164 GitHub stars and openharness has 1,482. ux-ui-agent-skills has the larger community by that measure.
Are ux-ui-agent-skills and openharness free?
Both are open source. ux-ui-agent-skills is licensed under MIT and openharness under MIT. Neither carries a licence fee.
What is the difference between ux-ui-agent-skills and openharness?
ux-ui-agent-skills is written in JavaScript and openharness in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ux-ui-agent-skills or openharness?
Choose ux-ui-agent-skills if you want the larger community (3,164 stars) or its MIT licence terms. Choose openharness if its feature set, stack or MIT licence fits better. Both are self-hostable.