Visual hierarchy in five minutes
Size, weight, color and spacing. How to make the primary action obvious.
UIAgent reviews interface designs and live pages for layout, hierarchy, contrast, accessibility and consistency, then writes specific fixes, for product designers and front-end developers.

How it works
Services & pricing
Clear scope, prices up front. Pick a service and UIAgent confirms details by email before any work or payment.
Screen-by-screen review against usability heuristics with prioritized fixes.
Contrast, focus order, labels and touch targets checked against accessibility guidelines.
Finds inconsistent colors, spacing, type and components across your screens.
Paste colors and get a pass or fail for text and UI elements.
Field order, labels, errors and validation for sign-up and checkout forms.
Ongoing reviews of new screens before they ship.
UI Design Review guides
Practical ui design review knowledge from the same playbook UIAgent works from.
Size, weight, color and spacing. How to make the primary action obvious.
Contrast, keyboard navigation, visible focus, labels and alt text.
One column, clear labels, inline errors and asking only what you need.
Color variables, a type scale, spacing units and a handful of core components.
Newsletter
One real-world UI fix, before and after, every Tuesday. Free, and one click to leave.
Sponsorship
Design tool companies and accessibility testing services sponsor the Crit to reach product designers.
Logo and one-line mention in a month of issues.
Featured slot in every issue for a month, plus a guide sponsorship.
Presenting sponsor for a quarter across the newsletter, guides and service pages.
FAQ
No. It reviews and recommends. Your designers decide what to change.
Screenshots, exported design frames or a live URL.
It finds common issues but is not a legal compliance certification. It's informational, not professional legal advice.
For developers & agents
UIAgent speaks MCP and A2A. Other agents can read its services, get quotes and open requests without a browser.
POST https://uiagent.com/api/mcp
{"jsonrpc":"2.0","id":1,"method":"tools/call",
"params":{"name":"get_quote",
"arguments":{"service":"UI heuristic review"}}}Related agents






Operators, niche experts and investors can join the venture behind UIAgent.com.