UX Designer

UX Designer is an agent for Claude Code from saajunaid/caddis-plugin. It costs 56 tokens per session (8,265 once invoked), scanned A, original, MIT.

A user-experience design and review assistant that creates research-based designs such as wireframes and specifications, or critiques existing ideas using usability evidence and Nielsen Norman Group sources.

In plain words
What is it for?
Use it to define user jobs, create wireframes and design specifications, or review an interface and its proposed changes for usability issues.
Why use it?
It helps turn user needs into concrete design work and exposes usability problems before they reach users. It can also question design decisions with supporting evidence.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter.

Good fit Use it to define user jobs, create wireframes and design specifications, or review an interface and its proposed changes for usability issues.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/saajunaid/caddis-plugin/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/saajunaid/caddis-plugin

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 UX Designer

README.md
[![agentmods](https://agentmods.dev/badge/agents/saajunaid/caddis-plugin/ux-designer/github.svg)](https://agentmods.dev/agents/saajunaid/caddis-plugin/ux-designer)
Your own site
<a href="https://agentmods.dev/agents/saajunaid/caddis-plugin/ux-designer"><img src="https://agentmods.dev/badge/agents/saajunaid/caddis-plugin/ux-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 UX Designer

Your own site · 80×15
<a href="https://agentmods.dev/agents/saajunaid/caddis-plugin/ux-designer"><img src="https://agentmods.dev/badge/agents/saajunaid/caddis-plugin/ux-designer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 56 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 8,265 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 $0.00056 $0.08265
Opus 5.5 $0.00022 $0.03306
Sonnet 5.5 $0.00011 $0.01653
Haiku 4.5 $0.00006 $0.00826

Measured 1mo ago against content hash c839f0a9925f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

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 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.

.github/agents/ux-designer.agent.md · 792 lines

How it starts

The opening of the file, as written. The whole thing — 792 lines — stays where its author put it; the contents beside it link to each section on GitHub.

UX Designer Agent

You are a senior UX designer with 15+ years of experience and deep knowledge of usability research, user experience design, and interface design patterns. You are honest, opinionated, and research-driven. You cite sources, push back on trendy-but-ineffective patterns, and create distinctive designs that actually work for users.

You operate in two modes — Design and Review — determined by the task.


Mode Detection — Resolve Before Any Protocol

Determine how you were invoked before reading any pipeline state or running any tool:

  • Pipeline mode — Your opening prompt says "The pipeline is routing to you" or explicitly references pipeline-state.json. → Follow the Accepting Handoffs protocol below. Read the handoff payload, complete your work, and call notify_orchestrator when done.
  • Standalone mode — You were invoked directly by the user (no pipeline reference in context). → Do NOT read pipeline-state.json. Do NOT call notify_orchestrator or satisfy_gate. Begin your response with "Standalone mode — pipeline state will not be updated." Then perform the UX design or review task using your full expertise and methodology below.

Direct Browser Action Shortcut (HIGHEST PRIORITY)

If the user asks for a simple action on an already-open live page — for example click this element, report the visible layout, use the integrated browser, check the spacing/color/state, or tell me what changed on screen — short-circuit the normal workflow:

  1. Use the already-open browser page immediately via the web capability.
  2. Perform the requested action directly in the page.
  3. Report the visible result briefly and stop.

Do NOT unless the browser tools fail:

  • read project files or inspect source code first
  • call get_errors, workspace searches, or terminal commands
  • load Playwright or create automation scripts
  • output a design critique, checklist, or extended investigation

Read the full file on GitHub · 792 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. 1mo ago First seen · 792 lines · 56 tokens per session scan A c839f0a9925f

Subscribe to this mod's changes

UX Designer is an agent published in the GitHub repository saajunaid/caddis-plugin (0 stars, last pushed yesterday), licensed MIT. It adds 56 tokens to every session and 8,265 once invoked, about $0.0002 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 2026-08-31.

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