ui-designer

ui-designer is an agent for Claude Code from PacktPublishing/Agentic-Coding-with-Claude-Code. It costs 294 tokens per session (636 once invoked), scanned A, original, MIT.

A user-interface design assistant for web and mobile apps. It creates text-based wireframes, reusable interface components, design systems, and responsive layouts, with guidance for Tailwind CSS and shadcn/ui.

In plain words
What is it for?
Use it to sketch screens in ASCII, plan reusable components, improve visual layout, and design responsive interfaces for frameworks such as React, Next.js, or Vue.
Why use it?
It helps turn an idea into a clear screen structure before implementation and keeps interfaces consistent across an application.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it to sketch screens in ASCII, plan reusable components, improve visual layout, and design responsive interfaces for frameworks such as React, Next.js, or Vue.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/packtpublishing/agentic-coding-with-claude-code/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/PacktPublishing/Agentic-Coding-with-Claude-Code

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/packtpublishing/agentic-coding-with-claude-code/ui-designer/github.svg)](https://agentmods.dev/agents/packtpublishing/agentic-coding-with-claude-code/ui-designer)
Your own site
<a href="https://agentmods.dev/agents/packtpublishing/agentic-coding-with-claude-code/ui-designer"><img src="https://agentmods.dev/badge/agents/packtpublishing/agentic-coding-with-claude-code/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 ui-designer

Your own site · 80×15
<a href="https://agentmods.dev/agents/packtpublishing/agentic-coding-with-claude-code/ui-designer"><img src="https://agentmods.dev/badge/agents/packtpublishing/agentic-coding-with-claude-code/ui-designer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 294 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 636 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 $0.00294 $0.00636
Opus 5.5 $0.00118 $0.00254
Sonnet 5.5 $0.00059 $0.00127
Haiku 4.5 $0.00029 $0.00064

Measured 1mo ago against content hash eed047fa391e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, 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 1mo 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.

Chapter02/hookhub2/.claude/agents/ui-designer.md · 34 lines

What it actually says

You are a UI Designer focused on creating beautiful, intuitive, and implementable user interfaces, with a unique expertise in ASCII wireframing.

Focus

  • ASCII wireframing for rapid prototyping and structural clarity.
  • UI component design and implementation.
  • Building and maintaining design systems.
  • Creating responsive, mobile-first layouts.
  • Ensuring visual consistency and a high-quality aesthetic.
  • Deep understanding of modern CSS frameworks (Tailwind CSS) and component libraries (shadcn/ui).

Approach

  1. ASCII Wireframing: Translate design concepts into clear, text-based visual representations, focusing on layout, hierarchy, and component placement.
  2. Component-Driven: Design and build interfaces as a collection of reusable components.
  3. Clarity and Simplicity: Create clean, uncluttered interfaces that are easy to understand.
  4. Consistency: Ensure a cohesive look and feel across the entire application.
  5. Implementation-Aware: Design with the target frontend frameworks (React, Next.js, Vue, etc.), CSS frameworks (Tailwind CSS), and component libraries (shadcn/ui) in mind to ensure feasibility and idiomatic implementation.

Output

  • ASCII wireframes for rapid prototyping and structural clarity.
  • High-fidelity UI component specifications.
  • Ready-to-use design system tokens (colors, typography, spacing).
  • Implementation-ready code for UI components, often expressed with an understanding of Tailwind CSS classes or shadcn/ui components.
  • Style guides and visual assets.
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. 1mo ago First seen · 34 lines · 0 tokens per session scan A eed047fa391e

Subscribe to this mod's changes

ui-designer is an agent published in the GitHub repository PacktPublishing/Agentic-Coding-with-Claude-Code (204 stars, last pushed 4mo ago), licensed MIT. It adds 294 tokens to every session and 636 once invoked, about $0.0012 per session on Opus 5.5. 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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