prototype
Build multiple genuinely different versions of a UI piece you describe, rendered behind a visual picker so you can flip through them live and promote the one that feels right. Only runs when explicitly invoked; it does not trigger on its own.
Install / Use
npx skills add emilkowalski/skills --skill prototypeInstalls into whichever agent you are using.
SKILL.md
Installable skill definition
Quality Score
Category
DesignSupported Platforms
Our assessment of prototype
prototype scores 90/100 on our quality scale, 33rd of 139 Design skills we index (top 24%).
We have not analysed the SKILL.md file itself yet, so the content part of this score is an estimate until our crawler reaches it.
With 40,844 GitHub stars, it is one of the more widely adopted skills in the catalogue.
Maintenance, license and trust
- The repository was last updated yesterday, so prototype is actively maintained.
- It is released under the MIT license, a permissive license that allows use, modification and commercial use with attribution.
- Its trust signals score 100/100, with no cautions. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
prototype compared with similar skills
All 4 of these similar skills score higher than prototype; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| prototype (this skill)by emilkowalski | 90 | 40.8k | 1d ago | SKILL.md |
| algorithmic-artby anthropics | 100 | 177.9k | 2d ago | SKILL.md |
| pptxby anthropics | 100 | 177.9k | 2d ago | SKILL.md |
| designby nextlevelbuilder | 100 | 130.2k | 3d ago | SKILL.md |
| ui-ux-pro-maxby nextlevelbuilder | 100 | 130.2k | 3d ago | SKILL.md |
Frequently asked questions
- How do I install prototype?
- Run
npx skills add emilkowalski/skills --skill prototype. The install tabs above show the steps for each supported agent. - Which AI agents does prototype work with?
- It is written for Universal, as a SKILL.md file. Other agents that read the same format can often use it too.
- Is prototype safe to use?
- It is MIT-licensed and scores 100/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is prototype still maintained?
- The repository was last updated yesterday, so prototype is actively maintained.
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Languages
Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.