ui-designer

An AI agent focused on user-interface and user-experience design. It covers how an interface looks and works, including accessibility, design systems, wireframes, prototypes, user research, and interaction patterns.

In plain words
What is it for?
Use it to plan or review interfaces, create wireframes and prototypes, apply visual hierarchy, and balance appearance with usability.
Why use it?
It helps address unclear layouts, difficult interactions, and designs that are hard for people to use.

Agent

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/coolwuu/smart-dev-plugin/ui-designer
Clone the repo
git clone --depth 1 https://github.com/coolwuu/smart-dev-plugin
Per session 68 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,107 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00068 $0.01107
Opus 5 $0.00034 $0.00553
Sonnet 5 $0.00014 $0.00221
Haiku 4.5 $0.00007 $0.00111

Measured 2d ago against content hash 76bda07e9301, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 2d 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.

agents/ui-designer.md · 196 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 2d ago First seen · 196 lines · 68 tokens per session scan A 76bda07e9301

Subscribe to this mod's changes

ui-designer is an agent published in the GitHub repository coolwuu/smart-dev-plugin (7 stars, last pushed 6mo ago), with no licence file. It adds 68 tokens to every session and 1,107 once invoked, about $0.0003 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 2026-08-31.

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