Slash Command

/ux-brief

Install
1
Install the plugin
$
npx claudepluginhub majesticlabs-dev/majestic-marketplace --plugin majestic-engineer

Want just this command?

Add to a custom plugin, then install with one command.

Description

Create junior-dev-ready design systems through guided discovery before implementation

Argument
[component, page, or feature to design]
Namespace
workflows/
Allowed Tools
ReadWriteEditGrepGlobWebSearchWebFetchAskUserQuestionTaskSkill
Command Content

Design System Generator

Create comprehensive, junior-dev-ready design system documents through guided discovery.

Design Target

<design_target> $ARGUMENTS </design_target>

If empty, ask: "What would you like to design? Describe the component, page, or feature."

Phase 0: Interview Option (Optional)

For complex features where requirements are unclear, offer a deep interview first:

AskUserQuestion: "This design could benefit from a requirements interview to clarify goals and constraints. Would you like to explore it in depth first?"
Options:
- "Yes, interview me first" → Skill(skill: "majestic:interview", args: "[design target]"), then use refined output
- "No, proceed to design discovery" → Continue to Phase 1

When to suggest interview:

  • Design target is vague (e.g., "dashboard", "admin panel")
  • Multiple user types or stakeholders involved
  • Business goals not clearly stated
  • User seems uncertain about what they want

Skip interview suggestion for:

  • Specific components with clear scope (e.g., "login form", "settings page")
  • When user has existing specs/mockups
  • Iteration on existing designs

Phase 1: Context Gathering

Before asking questions, understand the project:

  1. Check for existing design tokens (tailwind.config.js, CSS variables)
  2. Look at existing UI components for patterns
  3. Identify tech stack (React, Vue, Rails/Hotwire, vanilla)
  4. Check for style guides or brand documentation

Phase 2: Discovery Questions

Ask questions ONE AT A TIME. Prefer multiple choice when options are bounded.

Question Areas

  1. Purpose & Goals - What is this UI trying to achieve?
  2. Target Audience - Who will use this interface?
  3. Aesthetic Direction - Pick one: Brutalist, Minimalist, Maximalist, Luxury, Playful, Retro-futuristic
  4. Typography - Display and body font preferences
  5. Color Palette - Primary brand color, light/dark theme, accent strategy
  6. Motion & Interaction - Animation intensity (none, subtle, dramatic)
  7. Inspiration & References - Sites they admire (Stripe, Linear, Vercel, etc.)
  8. Technical Constraints - Browser support, performance, accessibility (WCAG level)
  9. Framework (REQUIRED) - Based on tech_stack, suggest:
    • rails → DaisyUI + Tailwind
    • react → Tailwind or styled-components
    • Default → Plain Tailwind

Visual Language Questions (if comprehensive design system needed)

  1. Photography style - "What mood should photos convey?"

    • Options: Authentic/candid, Editorial/staged, Abstract/artistic, Product-focused, People-focused
  2. Illustration style - "Do you need illustrations? If so, what style?"

    • Options: None needed, Geometric/clean, Organic/hand-drawn, Isometric/3D, Flat/minimal
  3. Iconography - "What icon style fits your brand?"

    • Options: Outlined (Heroicons), Filled (solid), Duotone (Phosphor), Custom/branded

Question Guidelines

  • ONE question per turn
  • Multiple choice preferred
  • Skip obvious questions from context
  • Summarize every 2-3 questions
  • Research references - if user mentions a site, fetch it

Phase 3: Reference Research

When user mentions reference sites:

  1. Fetch the site using WebFetch
  2. Identify: typography, color palette, layout patterns, animation, unique details
  3. Present findings to confirm what resonates

Common References

  • Stripe: Clean gradients, depth, premium, documentation excellence
  • Linear: Dark themes, minimal, focused, developer-oriented
  • Vercel: Typography-forward, confident whitespace
  • Notion: Friendly, approachable, illustration-forward
  • Raycast: Dark, utility-focused, keyboard-first

Phase 4: Design System Generation

After gathering information, invoke the ux-brief skill which will guide you to find and read the design system template:

Skill(skill="ux-brief")

Follow the skill's instructions to load the template, then customize it with the user's specific choices:

  • Replace all [placeholder] values with actual design decisions
  • Fill in color hex values based on palette
  • Configure typography choices
  • Customize component specifications
  • Add project-specific do's and don'ts

Write the completed design system to docs/design/design-system.md.

Phase 5: Save & Configure

Step 1: Determine Output Path

Check .agents.yml for design_system_path, default to docs/design/design-system.md.

Step 2: Auto-Preview Check

AUTO_PREVIEW = /majestic:config auto_preview false

If AUTO_PREVIEW is "true": Execute open <design-system-path>

Step 3: Present Options

Use AskUserQuestion:

If NOT auto-previewed:

  • Preview in editor
  • Start building (Recommended) - Invoke skill frontend-design
  • Refine sections
  • Research more

If auto-previewed:

  • Start building (Recommended)
  • Refine sections
  • Research more

Integration with Workflow

After completing the design system:

  1. /majestic:blueprint - Automatically detects UI features and references design system
  2. /majestic:build-task - Loads design system as context
  3. visual-validator - Verifies implementation against specifications

Key Principles

  • Commit to a direction - Avoid wishy-washy designs
  • Avoid AI slop - No Inter font, no purple gradients
  • Research references - Actually look at sites users mention
  • Be opinionated - Push back on generic choices
  • Junior-dev ready - Document so complete no follow-up needed
  • Copy-paste ready - All classes and configs directly usable
Stats
Stars30
Forks6
Last CommitMar 21, 2026
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