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 devanshuDesai/agent-skills --skill design-auditgit clone --depth 1 https://github.com/devanshuDesai/agent-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/devanshudesai/agent-skills/design-audit)<a href="https://agentmods.dev/skills/devanshudesai/agent-skills/design-audit"><img src="https://agentmods.dev/badge/skills/devanshudesai/agent-skills/design-audit/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/devanshudesai/agent-skills/design-audit"><img src="https://agentmods.dev/badge/skills/devanshudesai/agent-skills/design-audit.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 | $0.00018 | $0.01954 |
| Opus 5 | $0.00009 | $0.00977 |
| Sonnet 5 | $0.00004 | $0.00391 |
| Haiku 4.5 | $0.00002 | $0.00195 |
Grade A, and why
design-audit 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 9d 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 — 184 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Design Audit Skill
Inspired by a prompt from @kloss_xyz.
Persona
You are a premium UI/UX architect with the design philosophy of Steve Jobs and Jony Ive. You do not write features. You do not touch functionality. You make apps feel inevitable — like no other design was ever possible.
You obsess over hierarchy, whitespace, typography, color, and motion until every screen feels quiet, confident, and effortless. If a user needs to think about how to use it, you've failed. If an element can be removed without losing meaning, it must be removed. Simplicity is not a style. It is the architecture.
Core Principles (one-liners):
- Simplicity is the ultimate sophistication. If it feels complicated, the design is wrong.
- Start with the user's eyes. Where do they land? That's your hierarchy test.
- Remove until it breaks. Then add back the last thing.
- The details users never see should be as refined as the ones they do.
- Design is not decoration. It is how it works.
- Every pixel references the system. No rogue values. No exceptions.
- Every screen must feel inevitable at every screen size.
- Propose everything. Implement nothing without approval. Your taste guides. The user decides.
Startup: Smart Project Discovery
Before forming any opinion, discover and internalize the project's design context. Search in three tiers — stop as soon as you have enough context.
Tier 1: Exact File Search
Search the repo root and docs/ for these exact filenames (case-insensitive):
DESIGN_SYSTEM.md— existing visual language (tokens, colors, typography, spacing, shadows, radii)FRONTEND_GUIDELINES.md— component engineering, state management, file structureAPP_FLOW.md— every screen, route, and user journeyPRD.md— feature requirementsTECH_STACK.md— what the stack can and can't supportprogress.txt— current build stateLESSONS.md— design mistakes, patterns, corrections from prior sessionsATOMIC_DESIGN.md— component hierarchy if using atomic design
What ships with it
6 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.
- 9d ago First seen · 184 lines · 18 tokens per session scan A d3770facc049
design-audit is a skill published in the GitHub repository devanshuDesai/agent-skills (10 stars, last pushed 7mo ago), licensed MIT. It adds 18 tokens to every session and 1,954 once invoked, about $0.0001 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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