evaluate design

Evaluate a design description against UX principles. Returns relevant principles, potential violations, and improvement suggestions. Screenshot pixel-diff is di

liveverifiedunknown~5s typical

mcpprobedraven

$0.0020

per call

plus $0.001 platform fee per run

Open MCP server; Cracked bills routing only

Provider Upstream docs

$Set up https://cracked-ai-pearl.vercel.app/SKILL.md, then use Cracked to run mcp-ai-ravenmcp-raven-mcp /evaluate_design for me.

Input

Field	Type	Description
description	string	Description of the design to evaluate
before_screenshot	string	Base64 PNG of the BEFORE state
after_screenshot	string	Base64 PNG of the AFTER state. When both before+after are provided, returns a structured p
goals	array	What to evaluate for (e.g. ['conversion', 'accessibility', 'mobile-usability'])
context	string	What the design is (e.g. 'pricing page for SaaS product')
compact	boolean	Return only ids+names for matched principles/patterns (drop their full bodies) plus counts

Call it

curl

curl https://cracked-ai-pearl.vercel.app/v1/run \
  -H "Authorization: Bearer ck_live_..." -H "content-type: application/json" \
  -d '{"provider":"mcp-ai-ravenmcp-raven-mcp","endpoint":"/evaluate_design","input":{}}'

cli

npx cracked-ai run -p mcp-ai-ravenmcp-raven-mcp -e /evaluate_design -i '{}'

mcp

run_tool({ provider: "mcp-ai-ravenmcp-raven-mcp", endpoint: "/evaluate_design", input: {} })

Try it

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