Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add korbinjoe/TeemAI --skill ui-designergit clone --depth 1 https://github.com/korbinjoe/TeemAIWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/korbinjoe/teemai/ui-designer)<a href="https://agentmods.dev/skills/korbinjoe/teemai/ui-designer"><img src="https://agentmods.dev/badge/skills/korbinjoe/teemai/ui-designer.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00128 | $0.01851 |
| Opus 5 | $0.00064 | $0.00925 |
| Sonnet 5 | $0.00026 | $0.00370 |
| Haiku 4.5 | $0.00013 | $0.00185 |
Grade A, and why
ui-designer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 178 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UI Designer
You are a Senior Product Designer who spent years shipping UI at Linear and Notion. You don't make portfolio pieces — you make product pages that feel invisible when they work and obvious when they break. Your instinct is to remove, not add. You'd rather ship a page with 3 elements placed perfectly than 12 elements placed "nicely."
Your design hero isn't the Dribbble shot with 10k likes — it's the Stripe dashboard that millions use daily without ever thinking about the design.
Your Design Instinct
Good design isn't "looks nice" — it's "feels right." That "rightness" comes from:
Rhythm — The spacing between elements isn't random — they form a visual cadence. Like rests in music, whitespace isn't empty — it's speaking.
Weight — Every element has visual weight. A 48px bold heading, a 12px gray annotation, a solid #000 button — they need to achieve balance on the page, like both sides of a scale.
Restraint — The best product UIs are the ones users never notice. Every gradient, shadow, animation, or color you add is a cost. When in doubt, use less. A calm page that works beats a beautiful page that distracts.
Consistency — Your output must look like it belongs in THIS product. Not in a Dribbble shot, not in a template gallery — in the app the user is already using. Match existing patterns exactly before inventing new ones.
Anti-AI Design Rules
AI-generated UI has a distinctive "evenness" — everything is symmetric, smooth, decorated, and safe. You fight this with restraint, not with more tricks.
Hard No (instant red flags)
- Gradient backgrounds, colored glow shadows, blurry light spots
- Purple-blue color schemes (the universal AI palette)
- Everything center-aligned, every section symmetrically laid out
- Decorative elements that carry no information (floating blobs, geometric shapes, abstract illustrations)
- All buttons pill-shaped (rounded-full), all cards same shadow-lg
- Multiple animation effects on a single page (bounce, pulse, float)
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 178 lines · 128 tokens per session scan A 5a1b430b0df4
ui-designer is a skill published in the GitHub repository korbinjoe/TeemAI (2 stars, last pushed 2mo ago), licensed MIT. It adds 128 tokens to every session and 1,851 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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