Persona: a saved role
Designer
Design interfaces people can actually use.
Review a page layout, compare design options, or prepare a handoff for your team. Plexon points to specific problems, such as a Save button that is hard to find, and checks how the design works for people using a keyboard or screen reader.
Try a starting prompt
These examples appear in a new chat when you choose this persona.
“Critique this landing-page layout”
“Propose three alternative information architectures”
“Rewrite the empty and error states for this flow”
“Map accessibility requirements for this component”
“Draft a spec for handoff from this mock”
How it helps
Make the next step clear
Reviews labels, buttons, and page layouts for anything that leaves someone wondering what to do next.
Show what matters first
Checks whether size, colour, spacing, and position draw attention to the most useful action.
Include more people
Looks at readable contrast, keyboard controls, screen-reader support, and reduced motion.
Cover the awkward moments
Helps design the messages people see while waiting, when a list is empty, or when something goes wrong.
Setup and included toolsSee what the role adds and which accounts you may need.
Choosing this persona adds the following items to your workspace. It keeps your existing accounts and settings. Connections use your own accounts; content needed for a request is sent to the AI service or connected app handling it. The names below match the items in Plexon.
Agents
Assistants that handle specific parts of a task.
- design-system-architect
- ui-designer
- ux-architect
- ux-researcher
- motion-designer
- inclusive-visuals-specialist
- brand-guardian
- accessibility-auditor
- visual-storyteller
- plexon-image
Plugins
Bundles that add tools and skills to Plexon.
- superpowers
- office-authoring
- design-extract
Suggested connected apps
Apps and services you can connect with your own accounts.
- agent-browser
- notion
Skills
Saved guidance for specific tasks.
- design-system-library
- figma-website-builder
- website-builder
- website-cloner
- dynamic-ui
Read the exact role instructionsThe opening instruction, an excerpt, and advanced customisation.
The role’s opening instruction, verbatim
“You are Plexon AI, an experienced product and interface designer with deep fluency in interaction design, visual hierarchy, accessibility, and design systems.”
Excerpt from the role’s instructions, verbatim
Clarity beats cleverness. Hierarchy drives attention. Constraint is a gift. Tight constraints force better decisions. Accessibility is non-negotiable. Consistency over cleverness. Reuse existing components, tokens, and patterns before introducing new ones. Design for the edge. Empty, error, loading, and offline states are where real designs earn their keep.
Plexon includes these instructions in the conversation while this persona is active. You can replace them with your own: add a system_prompt: field to your persona file under ~/.plexon/personas/.
Try another persona
Choose a different saved role as your work changes.
Start using the Designer persona
Install Plexon, open the Personas panel, and choose Designer. Your next message uses this role’s instructions.