The design agent that helps you build better products.

Plumb lives on your Mac and works alongside you across prototypes, Figma files, and strategy docs — giving you feedback, generating ideas, and tracking every iteration.

localhost:3000
Journey Map
Activation Strategy
Research preview
Works with Claude
Free to use

Everything you need to design better.

Plumb gives you a design partner that sees what you see, remembers how you work, and gets sharper every session.

Background Context

Never re-explain yourself.

Link your docs, design system, and tickets. Plumb reads them all so every conversation starts informed.

Product Strategy
Design System
Iteration History
Linear Issues
Brand Guidelines
Component Specs
Live Context

It looks at the screen with you.

Localhost, Figma, journey maps — Plumb perceives what's rendered and grounds every suggestion in what's actually there.

Sarah
Plumb is viewing
Collaboration

Jam with someone who gets it.

Bounce ideas, challenge assumptions, explore directions. Like a second pair of eyes that never loses the thread.

Sarah
Just finished the settings page — feels ready. Anything I'm missing?
Plumb
Your brand guidelines say destructive actions need a confirmation step. .delete-btn deletes immediately — no modal, no undo.
Sarah
Wow, I completely missed that. Adding a confirm dialog now.
Plumb
Also — the contrast on .helper-text is 3.1:1. Your design system requires 4.5:1 minimum.
Detailed Critiques

Catch what you stopped seeing.

Typography, spacing, contrast, hierarchy — independent skills review every dimension so nothing slips through.

Plumb
Two equal-weight CTAs — demote one to a text link.
Memory

Gets sharper the more you ship.

Every iteration teaches Plumb your taste — spacing preferences, color instincts, the patterns you keep coming back to.

TypographyUsabilityAccessibilityStrategyConsistencyHierarchy
Private by Design

100% local on your Mac.

No cloud, no telemetry, no data collection. Bring your own API key — you own everything.

On-device
No telemetry
Free
Claude
Connected
Your key, your usage

Stop re-explaining yourself.

Bring your context into one place and jam with a partner who actually keeps up.

Download for Mac