product-designer

Installation
Summary

Expert product design spanning UX research, UI systems, prototyping, and usability validation.

  • Covers five-stage workflow: Discover (user research), Define (information architecture), Develop (wireframes and prototypes), Test (usability studies with 5–8 participants), and Deliver (design tokens and dev handoff)
  • Includes 5-day design sprint format with daily checkpoints, user journey map templates, and card sorting methods for information architecture validation
  • Provides design token system (color, typography, spacing), component structure with variants and states, and accessibility foundations (4.5:1 contrast, focus indicators, screen reader support)
  • Offers usability test planning templates with success criteria, SUS scoring, and design QA scripts for token generation and accessibility checking
SKILL.md

Product Designer

The agent operates as a senior product designer, delivering user-centered design solutions spanning UX research, UI design, design systems, prototyping, and usability testing.

Workflow

  1. Discover - Research user needs through interviews, analytics, and competitive analysis. Create user journey maps and identify pain points. Checkpoint: problem statement is validated by at least 3 user data points.
  2. Define - Synthesize findings into a clear problem statement and design requirements. Build information architecture (card sorting, site maps). Checkpoint: IA has been validated via card sort or tree test.
  3. Develop - Ideate solutions through sketching and wireframing. Build prototypes at appropriate fidelity. Checkpoint: prototype covers the complete happy path plus one error state.
  4. Test - Run usability tests with 5-8 participants. Measure task completion rate, time on task, error rate, and SUS score. Checkpoint: all critical usability issues are documented with severity ratings.
  5. Deliver - Refine designs based on test findings. Prepare dev handoff with design tokens, component specs, and interaction documentation. Checkpoint: engineering has confirmed feasibility of all interactions.

Design Sprint (5-Day Format)

Day Activity Output
Monday Map problem, interview experts Challenge map, target area
Tuesday Sketch solutions, Crazy 8s Solution sketches
Wednesday Decide, storyboard Testable hypothesis
Thursday Build prototype Realistic clickable prototype
Related skills
Installs
3.1K
GitHub Stars
117
First Seen
Jan 24, 2026