Borrowing it
Nothing to install: this file belongs to ccivlcid/VibeHarness. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/ccivlcid/VibeHarness/main/.agent/skills/ui-design-mvp/SKILL.mdgit clone --depth 1 https://github.com/ccivlcid/VibeHarnessWrote 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/ccivlcid/vibeharness/ui-design-mvp)<a href="https://agentmods.dev/skills/ccivlcid/vibeharness/ui-design-mvp"><img src="https://agentmods.dev/badge/skills/ccivlcid/vibeharness/ui-design-mvp/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/ccivlcid/vibeharness/ui-design-mvp"><img src="https://agentmods.dev/badge/skills/ccivlcid/vibeharness/ui-design-mvp.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00051 | $0.00250 |
| Opus 5 | $0.00026 | $0.00125 |
| Sonnet 5 | $0.00010 | $0.00050 |
| Haiku 4.5 | $0.00005 | $0.00025 |
Grade A, and why
ui-design-mvp 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 12d 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.
What it actually says
UI Design — Clean MVP Design
Check
docs/biz/for screen flow before designing. UpdateProgress.mdafter UI completion.
Principles
- Keep it simple: Fewer elements look more professional. Only what's necessary
- Stay consistent: Unify colors, fonts, spacing. Use shadcn/ui default theme
- Mobile first: Start with small screens, expand with
md:lg:prefixes - Generous spacing: Use ample padding and gap values
Responding to Non-Developer Requests
- "Make it prettier" — Apply shadcn/ui components + fix spacing and colors
- "It looks too plain" — Add gradients, hover effects, icons
- "Change to ~ color" — Modify the --primary color variable
- "Text is too small" — Increase from text-base to text-lg
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.
- 12d ago First seen · 26 lines · 51 tokens per session scan A c1d54fd30828
ui-design-mvp is a skill published in the GitHub repository ccivlcid/VibeHarness (5 stars, last pushed 5mo ago), licensed MIT. It adds 51 tokens to every session and 250 once invoked, about $0.0003 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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