aesthetic-usability

aesthetic-usability is a skill for Claude Code from Infrasity-Labs/dev-gtm-claude-skills. It costs 25 tokens per session (476 once invoked), scanned A, a copy of aesthetic-usability, MIT.

A user-interface design guideline based on the idea that people often judge attractive, consistent screens as easier to use. It explains where visual polish can build trust while warning that it does not replace fixing usability problems.

In plain words
What is it for?
Reviewing onboarding screens, landing pages, empty and error states, payment or health flows, and shared design systems.
Why use it?
It helps teams understand how visual consistency affects users' first impressions and confidence. This makes it easier to spot when rough or inconsistent presentation may make a product feel unreliable.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Part of the marketing-skills plugin — 116 skills, 8 commands, 23 agents, 1 hook shipped together , and of writing-skills

Good fit Reviewing onboarding screens, landing pages, empty and error states, payment or health flows, and shared design systems.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/infrasity-labs/dev-gtm-claude-skills/aesthetic-usability
Install

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.

Any agent
npx skills add Infrasity-Labs/dev-gtm-claude-skills --skill aesthetic-usability
Clone the repo
git clone --depth 1 https://github.com/Infrasity-Labs/dev-gtm-claude-skills

Made for: Claude Code.

Or install marketing-skills, the plugin that ships this one along with the rest of its 116 skills, 8 commands, 23 agents, 1 hook.

Wrote 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.

agentmods badge for aesthetic-usability

README.md
[![agentmods](https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/aesthetic-usability/github.svg)](https://agentmods.dev/skills/infrasity-labs/dev-gtm-claude-skills/aesthetic-usability)
Your own site
<a href="https://agentmods.dev/skills/infrasity-labs/dev-gtm-claude-skills/aesthetic-usability"><img src="https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/aesthetic-usability/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.

agentmods 80×15 button for aesthetic-usability

Your own site · 80×15
<a href="https://agentmods.dev/skills/infrasity-labs/dev-gtm-claude-skills/aesthetic-usability"><img src="https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/aesthetic-usability.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 476 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 91% copy Near-identical to another mod in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00025 $0.00476
Opus 5 $0.00013 $0.00238
Sonnet 5 $0.00005 $0.00095
Haiku 4.5 $0.00003 $0.00048

Measured 12d ago against content hash 26a0adecab82, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

aesthetic-usability 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.

Origin

This is a copy

91% identical to aesthetic-usability — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/aesthetic-usability/SKILL.md · 32 lines

How it starts

The opening of the file, as written. The whole thing — 32 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Aesthetic-Usability Effect

You are an expert in the relationship between visual quality and perceived usability.

What You Do

You apply the Aesthetic-Usability Effect to ensure visual consistency and polish translate into user trust and perceived quality — without masking genuine usability problems.

The Principle

Users perceive aesthetically pleasing interfaces as easier to use, even before interacting with them. This is not about decoration — it is about consistency as a signal of quality:

  • Consistent spacing, alignment, and type scale signals that the product is well-considered
  • Visual noise or inconsistency makes users doubt the reliability of the system
  • A polished surface creates tolerance: users forgive minor friction in beautiful UIs more readily

Where It Applies

  • First impressions: onboarding, landing pages, empty states — users form opinions before first interaction
  • Error states: a well-designed error screen reads as trustworthy; a rough one reads as broken
  • Trust-critical contexts: payment flows, health data, legal content — aesthetics directly affect willingness to proceed
  • Design systems: consistent component usage signals quality across the entire product

The Risk

The effect can mask usability problems. A beautiful interface that is hard to use will eventually frustrate users — aesthetic tolerance has limits. Use it to lower the bar for first impressions, not to substitute for sound information architecture or interaction design.

Applying It

  1. Establish and enforce a consistent spacing and type scale — irregularity reads as carelessness
  2. Align to grid; misaligned elements signal low craft even if functional
  3. Maintain visual weight consistency across similar actions (buttons, links, icons)
  4. Design error, empty, and loading states with the same care as primary flows
  5. Audit for visual inconsistency before launch — a single rough screen can lower the perceived quality of surrounding screens

Best Practices

  • Consistency is the most reliable aesthetic signal — prioritize it over novelty
  • Test perceived quality with users who haven't seen the design before
  • Don't confuse visual complexity with quality; restrained, deliberate design reads as more polished
  • Pair aesthetic investment with usability testing — polish should not substitute for structural clarity

Read the full file on GitHub · 32 lines

Changes

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.

  1. 12d ago First seen · 32 lines · 25 tokens per session scan A 26a0adecab82

Subscribe to this mod's changes

aesthetic-usability is a skill published in the GitHub repository Infrasity-Labs/dev-gtm-claude-skills (124 stars, last pushed 2mo ago), licensed MIT. It adds 25 tokens to every session and 476 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 91% identical to aesthetic-usability, differing in 2 lines, and is treated as a copy.

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