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 cnfeat/top-pm-skills --skill design-critiquegit clone --depth 1 https://github.com/cnfeat/top-pm-skillsWrote 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/cnfeat/top-pm-skills/design-critique)<a href="https://agentmods.dev/skills/cnfeat/top-pm-skills/design-critique"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/design-critique/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/cnfeat/top-pm-skills/design-critique"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/design-critique.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 | $0.00081 | $0.01348 |
| Opus 5 | $0.00041 | $0.00674 |
| Sonnet 5 | $0.00016 | $0.00270 |
| Haiku 4.5 | $0.00008 | $0.00135 |
Grade A, and why
design-critique 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 — 139 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Design Critique Skill
This skill provides structured, actionable design feedback using established UX frameworks. It balances positive observations with clear, prioritised improvement suggestions.
Required Inputs
Ask the user for these if not provided:
- What is being reviewed (screen, flow, component, full product)
- Design description or attached image (describe it if no image — the skill will still work)
- User goal (what is the user trying to accomplish with this design?)
- Context (web / mobile / desktop app / physical product)
- Stage (early wireframe / mid-fidelity / high-fidelity / live product)
- Primary concern (optional — e.g. "I'm worried the onboarding is too long" or "I think the CTA is unclear")
Output Structure
Design Critique: [Design Name or Screen]
User goal: [What the user needs to accomplish] Context: [Platform / Stage] Critique focus: [Primary concern if stated, otherwise "full review"]
1. What's Working
[3–5 specific, honest observations about what the design does well. Don't manufacture praise — only include genuine strengths. Be specific: "The visual hierarchy clearly guides the eye from headline → supporting detail → CTA" is useful. "Looks clean" is not.]
2. Priority Issues
Rank issues by impact on the user goal. Use:
- 🔴 High — Blocks or significantly degrades the user's ability to complete their goal
- 🟡 Medium — Causes friction or confusion but doesn't block completion
- 🟢 Low — Polish or preference — nice to fix but not critical
For each issue:
[Priority] Issue [N]: [Short name]
What's happening: [Describe the specific design problem — be precise about which element, screen, or interaction]
Why it matters: [Connect to the user goal or a specific principle — don't just say "it's confusing." Say why it creates confusion and what the consequence is for the user.]
Framework reference: [Name the principle being violated — e.g. Nielsen's Heuristic #6 (Recognition over Recall), Gestalt proximity, JTBD clarity, Fitts's Law, etc.]
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 · 139 lines · 81 tokens per session scan A 11b456792be2
design-critique is a skill published in the GitHub repository cnfeat/top-pm-skills (48 stars, last pushed 3mo ago), licensed MIT. It adds 81 tokens to every session and 1,348 once invoked, about $0.0004 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 2026-09-03.
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