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Audit, test and measure every website.

Rubric checks your pages against 554 UX rules and tells you what to fix first. It predicts where attention lands, sends simulated visitors through the page, and measures the real ones. Built for agencies and freelancers who look after their clients' websites.

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Building with a coding agent? Connect it over MCP →

rubric.design/app/audits Real run · rubric.design · 3 Oct 2026
Audit · rubric.design · 7 pages

Findings

Grouped by severity — the only ranking here.
HIGH Homepage copy avoids jargon the audience doesn't share
homepage.copy-is-jargon-free

Observed — Homepage uses technical jargon without explanation: 'MCP' (Model Context Protocol), 'corpus', 'audit', 'checklist' are not defined for unfamiliar visitors. Example: 'serves a curated UX corpus to coding agents over MCP' assumes knowledge.

MEDIUM A lower-commitment path exists beside the primary CTA
conversion.secondary-cta-for-hesitant-users

Issue — The page lacks a low-commitment secondary path — only a single primary action with no fallback for visitors who aren't ready to commit yet.

MEDIUM A link that leaves the site says so before it is followed
Our own homepage, before this rewrite. Rubric flagged the jargon.
554
published UX rules
17
surfaces, from checkout to onboarding
4
severity levels. No scores, ever.
up to 7
pages per managed audit
Four products · one rubric

Mark up a website the way a scribe marked a manuscript.

The rubric was the passage a scribe wrote in red so a reader could follow the text. Rubric does that to a page: before launch, and after it.

A glass page layout marked up with glowing pink annotations and numbered pins

UX audit

554 rules, up to 7 pages. Findings by severity, each with the fix.

An illustration of a page layout with a glowing attention heatmap
Predicted

Heatmap

Where the eye goes, on desktop and mobile, before launch.

An illustration of a figure of light walking through page panels, leaving thought bubbles
Simulated

Probe

Beta

Describe a visitor. A simulated one tries the page and says where it hesitates.

Streams of light passing through page panels, narrowing like a funnel

Analytics

Real visitors, no cookies, and a weekly read of what to fix.

What comes back

Four parts. Ready for the client report.

Each finding has four parts: the issue, why it matters, what to do, and the references behind it. Paste the issue into a client report; hand the actions to whoever builds the fix.

01Issue
02Impact
03Actions
04References
MEDIUM conversion.secondary-cta-for-hesitant-users Real run · rubric.design · 3 Oct 2026
Issue

The page lacks a low-commitment secondary path — only a single primary action with no fallback for visitors who aren't ready to commit yet.

Impactpaid plans

Visitors not ready to act at the primary level have no way to engage; they leave instead of taking any step at all.

Actionspaid plans
  • Add a secondary, lower-commitment option beside or beneath the primary CTA — e.g. "Download the brochure", "Watch a short overview", "Request a callback", or "Read client stories" — matched to what the page actually offers.
  • Style it as a text link or outlined button so it doesn't compete visually with the primary action.
  • Track completion per path so you understand which secondary options actually convert.
Referencespaid plans
Nielsen Norman Group
How it works

Give it a URL. Get back what to fix first.

Map the pages

A discovery pass finds the pages worth auditing. It's part of the audit.

Walk them like a first-time visitor

Behind a login too: you sign in yourself, nothing typed is stored.

Report what fails

Findings grouped by severity, each with the fix. Watch it happen live on the run page.

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For your coding agent

The same 554 rules, while it designs.

Claude Code and other MCP clients can call the rules while they build. One command, approve in the browser, done.

Connect
claude mcp add --transport http rubric https://rubric.design/mcp
Or install the audit plugin · asks for an API key once
/plugin marketplace add things-studio/rubric-plugins
/plugin install rubric-audit@rubric
Pricing

Plans sized by managed runs.

Audits, heatmaps and Probe we run for you on any client site. Audits your own agent runs over MCP count as calls, not runs. Annual billing: two months free. Every plan has a 14-day no-questions refund.

Free

For using the rules from your own coding agent.

$0
  • MCP knowledge and audit tools, 25 calls a day
  • The full checklist, every item
  • Your agent can save audits and pull reports: every finding’s issue and severity
  • No managed runs
Sign up

Basic

For a freelancer with a few clients.

$39/ month
  • About 5 managed audits a month, on any site
  • 20 managed runs a month · 1 seat
  • Analytics on 1 site, 5,000 pageviews
  • 2,000 MCP calls a month
  • Impact, actions and references on every finding
Request Basic

Pro

most runs

For an agency team across client sites.

$149/ month
  • About 25 managed audits a month, on any site
  • 100 managed runs a month
  • 3 seats · extra seats $2/month
  • Analytics on 5 client sites, 50,000 pageviews
  • 20,000 MCP calls a month
Request Pro

Enterprise

For a team with a procurement process.

Custom
  • Custom run quota · extra seats · invoiced billing · EU-hosted cookieless analytics
Request a demo

Need more? Add 20 runs for $39 or 60 runs for $99.

See your client's site the way a first-time visitor does.

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