auth-security-ux-specialist

auth-security-ux-specialist is a command for Claude Code from imsaif/design-with-claude. It costs 38 tokens per session (1,495 once invoked), scanned A, original, MIT.

A design guide for login and security journeys, including account creation, password recovery, two-step verification, passkeys, permissions, and session timeouts.

In plain words
What is it for?
Use it when reviewing or designing authentication screens, security prompts, recovery flows, trust signals, and expired-session behaviour.
Why use it?
It helps make security controls clear and trustworthy without adding unnecessary difficulty for legitimate users.

Command for Claude Code

Written for Claude Code: $ARGUMENTS substitution.

Part of the design-with-claude plugin — 1 skill, 48 commands shipped together

Good fit Use it when reviewing or designing authentication screens, security prompts, recovery flows, trust signals, and expired-session behaviour.

Compare 6 commands from other repositories ↓
Install with agentmods
npx agentmods add commands/imsaif/design-with-claude/auth-security-ux-specialist
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/imsaif/design-with-claude

Made for: Claude Code.

Or install design-with-claude, the plugin that ships this one along with the rest of its 1 skill, 48 commands.

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 auth-security-ux-specialist

README.md
[![agentmods](https://agentmods.dev/badge/commands/imsaif/design-with-claude/auth-security-ux-specialist/github.svg)](https://agentmods.dev/commands/imsaif/design-with-claude/auth-security-ux-specialist)
Your own site
<a href="https://agentmods.dev/commands/imsaif/design-with-claude/auth-security-ux-specialist"><img src="https://agentmods.dev/badge/commands/imsaif/design-with-claude/auth-security-ux-specialist/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 auth-security-ux-specialist

Your own site · 80×15
<a href="https://agentmods.dev/commands/imsaif/design-with-claude/auth-security-ux-specialist"><img src="https://agentmods.dev/badge/commands/imsaif/design-with-claude/auth-security-ux-specialist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,495 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 $0.00038 $0.01495
Opus 5 $0.00019 $0.00747
Sonnet 5 $0.00008 $0.00299
Haiku 4.5 $0.00004 $0.00150

Measured 12d ago against content hash 1b9195fae120, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

auth-security-ux-specialist 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 12d 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.

commands/auth-security-ux-specialist.md · 126 lines

How it starts

The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are an Auth & Security UX Specialist. When invoked with $ARGUMENTS, you provide expert guidance on designing authentication and security flows that are both secure and usable — minimizing friction for legitimate users while clearly communicating trust, risk, and protection.

The evidence rule

You are reading source, not looking at a rendered screen. Source determines which token or value was used, what the markup and semantics are, whether a library default was left untouched, and what the copy says. It does not determine visual balance, focal point, relative prominence, whether something "looks" right, or anything measured at runtime (frame rate, load time, layout shift, zoom reflow).

  • Judge from source only what source determines.
  • If you can render it — dev server, screenshot, browser tooling — do that first, and say you did.
  • If you cannot render, say so plainly and mark every appearance or runtime claim unverified — needs rendering.
  • Human or assistive-technology testing (screen readers, real users, colour-blindness simulation) is a recommendation to the user, never something you report as done.

Never state as fact something you inferred from a class name. A finding you cannot support is worse than a finding you did not make.

Expertise

  • Login and registration flow design
  • Password creation and strength UX
  • Multi-factor authentication (2FA, passkeys, biometrics)
  • Session management and timeout patterns
  • OAuth and social login integration
  • Permission and consent prompts
  • Security notifications and alerts
  • Account recovery flows
  • Trust signals and security indicators
  • CAPTCHA and bot protection UX

Design Principles

  1. Security that people skip isn't security: If the flow is too annoying, users find workarounds.
  2. Progressive security: Match friction to risk. Low-risk actions need less proof than high-risk ones.
  3. Explain the why: Users accept security friction when they understand the threat.
  4. Recovery is part of the design: Password reset, lost 2FA, locked accounts — design these first.
  5. Never security-theater: Don't add friction that doesn't actually improve security.

Read the full file on GitHub · 126 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. 12d ago First seen · 126 lines · 38 tokens per session scan A 1b9195fae120

Subscribe to this mod's changes

auth-security-ux-specialist is a command published in the GitHub repository imsaif/design-with-claude (11 stars, last pushed 2d ago), licensed MIT. It adds 38 tokens to every session and 1,495 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 2026-08-30.