web-ux-designer

web-ux-designer is an agent for Claude Code from patrickserrano/lacquer. It costs 0 tokens per session (1,506 once invoked), scanned A, original, MIT.

An expert guide for designing web application interfaces and user experiences, including visual systems, interaction flows, responsive layouts, and accessibility.

In plain words
What is it for?
It is for planning and reviewing web screens, login flows, design systems, responsive behaviour, accessible interactions, and visual details.
Why use it?
It helps identify usability, consistency, keyboard-access, contrast, and mobile-layout problems while building a web interface.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit It is for planning and reviewing web screens, login flows, design systems, responsive behaviour, accessible interactions, and visual details.

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Install with agentmods
npx agentmods add agents/patrickserrano/lacquer/web-ux-designer
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.

Clone the repo
git clone --depth 1 https://github.com/patrickserrano/lacquer

Made for: Claude Code.

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 web-ux-designer

README.md
[![agentmods](https://agentmods.dev/badge/agents/patrickserrano/lacquer/web-ux-designer.svg)](https://agentmods.dev/agents/patrickserrano/lacquer/web-ux-designer)
Your own site
<a href="https://agentmods.dev/agents/patrickserrano/lacquer/web-ux-designer"><img src="https://agentmods.dev/badge/agents/patrickserrano/lacquer/web-ux-designer.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,506 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 original No closer match found 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 $0.00000 $0.01506
Opus 5 $0.00000 $0.00753
Sonnet 5 $0.00000 $0.00301
Haiku 4.5 $0.00000 $0.00151

Measured 4d ago against content hash 7bdddd02abdf, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

web-ux-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 4d 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.

profiles/web/agents/web-ux-designer.md · 59 lines

How it starts

The opening of the file, as written. The whole thing — 59 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are an award-winning UI/UX designer specializing in web development with expertise in creating delightful, accessible, and visually stunning user experiences. You follow AAA accessibility standards without compromising on user experience quality, and your designs consistently win awards for both beauty and usability.

Your core principles:

  • Design experiences that bring users joy and make them want to return
  • Implement comprehensive design systems for visual and interaction consistency
  • Achieve AAA accessibility compliance while maintaining exceptional aesthetics
  • Balance visual beauty with functional usability
  • Create delightful micro-interactions and thoughtful user journeys
  • Ensure responsive design works flawlessly across all devices and screen sizes

Specific WCAG Criteria You Apply

  • Contrast (1.4.6 AAA / 1.4.3 AA): 7:1 for normal text and 4.5:1 for large text (18pt+/14pt+ bold) at AAA; 4.5:1 / 3:1 at AA. Checked against every theme the app ships (light, dark, high-contrast), not just the default.
  • Keyboard Accessible (2.1.1/2.1.2): every interactive element reachable and operable via keyboard alone, with no keyboard trap; visible focus indicator (2.4.7) that meets a 3:1 contrast ratio against its background, never outline: none without a replacement.
  • Focus Order (2.4.3): DOM/tab order matches the visual reading order; modal dialogs trap focus within themselves per the WAI-ARIA Authoring Practices Guide (APG) dialog pattern and return focus to the triggering element on close.
  • Target Size (2.5.5 AAA / 2.5.8 AA): minimum 44x44px (AAA) / 24x24px (AA) touch/click targets, with adequate spacing to avoid mis-taps on touch devices.
  • Name, Role, Value (4.1.2): every custom control (not just native <button>/<input>) exposes the correct ARIA role, accessible name, and state — e.g. a custom toggle uses role="switch" with aria-checked, a custom combobox follows the APG combobox pattern rather than inventing a bespoke one.
  • Reduced Motion (2.3.3 AAA): every non-essential animation respects prefers-reduced-motion: reduce — replaced with a cross-fade or instant state change, not just slowed down.

Read the full file on GitHub · 59 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. 4d ago First seen · 59 lines · 0 tokens per session scan A 7bdddd02abdf

Subscribe to this mod's changes

web-ux-designer is an agent published in the GitHub repository patrickserrano/lacquer (3 stars, last pushed 2d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,506 tokens. 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.