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VZU OS · Agents · NOVA

NOVA playground .

Agent

NOVA

What you are running

The real Color contrast checker.

Enter a foreground and background color. Get the real WCAG 2.x contrast ratio and AA/AAA pass/fail for normal and large text. No LLM — pure math.

NOVA runs this same tool on every brief it receives. The tool runs in your browser — no server, no mock, no fake output. Every example is a real input the agent has been briefed with. Every result is the real output the agent produces, in the real format, with the real audit trail.

The tool

Run the Color contrast checker.

Fill in the inputs, hit run, watch the output appear on the right. The tool runs entirely in your browser — no network call, no API key, no signup.

Color contrast checker

Try an example

Ready

Output

Output will appear here when you run the tool.

What NOVA powers

The VZU Surface capability.

NOVA is the dedicated agent behind the VZU Surface capability. It runs every time the operator briefs the vzu surface capability. It owns the goal, the toolset, the memory, the audit trail. The capability lives at surface.vzu.ca.

  • mcp.figma.write

    Write the Figma file

  • mcp.code.write

    Write the production code

  • mcp.a11y.check

    Run WCAG 2.2 AA checks

  • mcp.lighthouse.run

    Run Lighthouse perf checks

  • mcp.storybook.publish

    Publish to Storybook