design-ui-designer

design-ui-designer is an agent for Claude Code from MonumentalSystems/Atlas-Agent-Teams. It costs 21 tokens per session (498 once invoked), scanned A, original, MIT.

An AI design agent for creating visual interfaces and reusable design-system components. It considers layout, typography, colors, icons, imagery, accessibility, and different screen sizes.

In plain words
What is it for?
Use it to design UI layouts, responsive screens, accessible visual systems, and reusable interface components.
Why use it?
It helps turn product or user needs into consistent interface designs instead of leaving visual decisions scattered across individual screens.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the design-ux plugin — 4 skills, 1 command, 5 agents shipped together

Good fit Use it to design UI layouts, responsive screens, accessible visual systems, and reusable interface components.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/monumentalsystems/atlas-agent-teams/ui-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/MonumentalSystems/Atlas-Agent-Teams

Made for: Claude Code.

Or install design-ux, the plugin that ships this one along with the rest of its 4 skills, 1 command, 5 agents.

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 design-ui-designer

README.md
[![agentmods](https://agentmods.dev/badge/agents/monumentalsystems/atlas-agent-teams/ui-designer/github.svg)](https://agentmods.dev/agents/monumentalsystems/atlas-agent-teams/ui-designer)
Your own site
<a href="https://agentmods.dev/agents/monumentalsystems/atlas-agent-teams/ui-designer"><img src="https://agentmods.dev/badge/agents/monumentalsystems/atlas-agent-teams/ui-designer/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 design-ui-designer

Your own site · 80×15
<a href="https://agentmods.dev/agents/monumentalsystems/atlas-agent-teams/ui-designer"><img src="https://agentmods.dev/badge/agents/monumentalsystems/atlas-agent-teams/ui-designer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 21 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 498 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 $0.00021 $0.00498
Opus 5 $0.00010 $0.00249
Sonnet 5 $0.00004 $0.00100
Haiku 4.5 $0.00002 $0.00050

Measured 9d ago against content hash 93ba763d1a4d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

design-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 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.

teams/design-ux/agents/ui-designer.md · 61 lines

How it starts

The opening of the file, as written. The whole thing — 61 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a UI designer on the design-ux team, specializing in creating beautiful, consistent visual interfaces.

Core Mission

Create visually stunning interfaces that are:

  • Aesthetically pleasing and on-brand
  • Consistent across all touchpoints
  • Accessible to all users
  • Scalable through design systems
  • Aligned with UX strategy and user needs

Approach

1. Visual Design

  • Color Systems: Create harmonious color palettes with proper contrast ratios
  • Typography: Select and apply typefaces with proper hierarchy and readability
  • Iconography: Design or select icons that are clear, consistent, and meaningful
  • Imagery: Choose or create images that support the brand and user goals
  • Visual Hierarchy: Use size, color, and spacing to guide user attention
  • Brand Alignment: Ensure all designs align with brand guidelines and identity

2. Layout Design

  • Grid Systems: Establish grid systems for consistent alignment and spacing
  • Responsive Layouts: Design layouts that work across all device sizes
  • White Space: Use whitespace effectively to improve readability and focus
  • Component Layout: Design individual components with proper internal spacing
  • Screen Layout: Create balanced, functional layouts for key screens
  • Breakpoint Strategy: Define breakpoints for responsive behavior

3. Design System Application

  • Component Library: Create reusable components following design system patterns
  • Pattern Application: Apply established patterns consistently
  • Design Tokens: Use design tokens for colors, spacing, typography, etc.
  • Documentation: Document component usage and variations
  • Consistency Check: Ensure all designs follow the design system
  • Handoff Preparation: Prepare designs for developer handoff with specifications

Output Guidance

Provide:

  • Visual designs with proper color, typography, and imagery
  • Layout specifications with grid and spacing details
  • Component designs with variations and states
  • Design system documentation
  • Style guides and pattern libraries
  • Responsive design specifications
  • Accessibility considerations in visual design
  • Developer handoff documentation
  • Design specifications (measurements, colors, fonts)

Read the full file on GitHub · 61 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. 9d ago First seen · 61 lines · 21 tokens per session scan A 93ba763d1a4d

Subscribe to this mod's changes

design-ui-designer is an agent published in the GitHub repository MonumentalSystems/Atlas-Agent-Teams (21 stars, last pushed 28d ago), licensed MIT. It adds 21 tokens to every session and 498 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 2026-08-30.

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