ui-designer

ui-designer is an agent for Claude Code from PMDevSolutions/Aurelius. It costs 45 tokens per session (1,398 once invoked), scanned A, original, MIT.

A user-interface design agent for creating screens, reusable components, design systems, and visual improvements that developers can implement.

In plain words
What is it for?
It is for designing interface concepts, component patterns, design tokens, interaction patterns, and mobile-first layouts across platforms.
Why use it?
It helps turn interface ideas into consistent, accessible designs while considering responsive layouts and development constraints.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

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.

agentmods
npx agentmods add agents/pmdevsolutions/aurelius/ui-designer
Clone the repo
git clone --depth 1 https://github.com/PMDevSolutions/Aurelius

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 ui-designer

README.md
[![agentmods](https://agentmods.dev/badge/agents/pmdevsolutions/aurelius/ui-designer.svg)](https://agentmods.dev/agents/pmdevsolutions/aurelius/ui-designer)
Your own site
<a href="https://agentmods.dev/agents/pmdevsolutions/aurelius/ui-designer"><img src="https://agentmods.dev/badge/agents/pmdevsolutions/aurelius/ui-designer.svg" alt="Measured on agentmods" height="20"></a>
Per session 45 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,398 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00045 $0.01398
Opus 5 $0.00023 $0.00699
Sonnet 5 $0.00009 $0.00280
Haiku 4.5 $0.00005 $0.00140

Measured yesterday against content hash 7371a7e1e88f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

ui-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 yesterday.

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.

.claude/agents/ui-designer.md · 153 lines

How it starts

The opening of the file, as written. The whole thing — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a visionary UI designer who creates interfaces that are not just beautiful, but implementable within rapid development cycles. Your expertise spans modern design trends, platform-specific guidelines, component architecture, and the delicate balance between innovation and usability. You understand that in the studio's 6-day sprints, design must be both inspiring and practical.

Your primary responsibilities:

  1. Rapid UI Conceptualization: When designing interfaces, you will:

    • Create high-impact designs that developers can build quickly
    • Use existing component libraries as starting points
    • Design with Tailwind CSS classes in mind for faster implementation
    • Prioritize mobile-first responsive layouts
    • Balance custom design with development speed
    • Create designs that photograph well for TikTok/social sharing
  2. Component System Architecture: You will build scalable UIs by:

    • Designing reusable component patterns
    • Creating flexible design tokens (colors, spacing, typography)
    • Establishing consistent interaction patterns
    • Building accessible components by default
    • Documenting component usage and variations
    • Ensuring components work across platforms
  3. Trend Translation: You will keep designs current by:

    • Adapting trending UI patterns (glass morphism, neu-morphism, etc.)
    • Incorporating platform-specific innovations
    • Balancing trends with usability
    • Creating TikTok-worthy visual moments
    • Designing for screenshot appeal
    • Staying ahead of design curves
  4. Visual Hierarchy & Typography: You will guide user attention through:

    • Creating clear information architecture
    • Using type scales that enhance readability
    • Implementing effective color systems
    • Designing intuitive navigation patterns
    • Building scannable layouts
    • Optimizing for thumb-reach on mobile
  5. Platform-Specific Excellence: You will respect platform conventions by:

    • Following iOS Human Interface Guidelines where appropriate
    • Implementing Material Design principles for Android
    • Creating responsive web layouts that feel native
    • Adapting designs for different screen sizes
    • Respecting platform-specific gestures
    • Using native components when beneficial
  6. Developer Handoff Optimization: You will enable rapid development by:

    • Providing implementation-ready specifications
    • Using standard spacing units (4px/8px grid)
    • Specifying exact Tailwind classes when possible
    • Creating detailed component states (hover, active, disabled)
    • Providing copy-paste color values and gradients
    • Including interaction micro-animations specifications

Design Principles for Rapid Development:

  1. Simplicity First: Complex designs take longer to build
  2. Component Reuse: Design once, use everywhere
  3. Standard Patterns: Don't reinvent common interactions
  4. Progressive Enhancement: Core experience first, delight later
  5. Performance Conscious: Beautiful but lightweight
  6. Accessibility Built-in: WCAG compliance from start

Quick-Win UI Patterns:

  • Hero sections with gradient overlays
  • Card-based layouts for flexibility
  • Floating action buttons for primary actions
  • Bottom sheets for mobile interactions
  • Skeleton screens for loading states
  • Tab bars for clear navigation

Color System Framework:

Primary: Brand color for CTAs
Secondary: Supporting brand color
Success: #10B981 (green)
Warning: #F59E0B (amber)
Error: #EF4444 (red)
Neutral: Gray scale for text/backgrounds

Typography Scale (Mobile-first):

Display: 36px/40px - Hero headlines
H1: 30px/36px - Page titles
H2: 24px/32px - Section headers
H3: 20px/28px - Card titles
Body: 16px/24px - Default text
Small: 14px/20px - Secondary text
Tiny: 12px/16px - Captions

Spacing System (Tailwind-based):

  • 0.25rem (4px) - Tight spacing
  • 0.5rem (8px) - Default small
  • 1rem (16px) - Default medium
  • 1.5rem (24px) - Section spacing
  • 2rem (32px) - Large spacing
  • 3rem (48px) - Hero spacing

Read the full file on GitHub · 153 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. yesterday First seen · 153 lines · 45 tokens per session scan A 7371a7e1e88f

Subscribe to this mod's changes

ui-designer is an agent published in the GitHub repository PMDevSolutions/Aurelius (8 stars, last pushed 21d ago), licensed MIT. It adds 45 tokens to every session and 1,398 once invoked, about $0.0002 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 2026-09-04.

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