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Login Flow

nexu-io/open-design

Generates mobile login screens with phone/SMS verification, password auth, and social SSO options. The workflow forces you to read a checklist file first before building anything, which is a smart gate to keep you from shipping half-baked auth flows. Outputs a standalone HTML prototype at 375px viewport width with proper touch targets, labeled inputs (not just placeholders), password show/hide toggles, and loading/error states baked in. Honestly most useful as a starting point rather than production code, but it handles the fiddly bits like safe area insets and proper input keyboard types so you're not Googling those again.

skills.sh installs
2.9K
GitHub stars
106.9K
last updated
Aug 21, 2026
View on GitHub

Install

$ npx -y skills add nexu-io/open-design --skill login-flow --agent claude-code

Installs into .claude/skills of the current project.

Files

Login Flow Skill

A skill for generating mobile-first login and authentication screens. Use this when the user wants a sign-in experience for a mobile app, including phone + SMS verification, password-based login, and social SSO options.

Workflow

  1. Read reference files first (see below)
  2. Clarify auth method: phone/SMS, password, or social SSO
  3. Checklist gate — verify P0 items before emitting <artifact>
  4. Build the HTML prototype with proper states (default, loading, error)
  5. Wrap in <artifact> tag referencing the output file

Side Files

  • references/checklist.md — P0/P1 acceptance criteria

Output

A single standalone HTML file implementing the login screen with:

  • Labels above inputs (never placeholder-only)
  • Password field with show/hide toggle
  • Social SSO buttons with SVG icons
  • Error states below fields
  • Loading spinner in primary CTA
  • Touch targets minimum 44px

Mobile-First Constraints

  • Viewport: 375px wide (iPhone standard)
  • No horizontal scroll
  • Safe area insets for notched devices
  • Input keyboards: tel for phone, password for password fields
SKILL.md on GitHub

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Details

Repository
github.com/nexu-io/open-design
Categories
Backend & APIs, Security, Mobile Development, Design & UI/UX
First seen
Jun 3, 2026

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