Here's a real brief I fed into kopi last week:
"Black Friday flash sale, 40% off sitewide, ends midnight Sunday. Audience: past purchasers who haven't bought in 90 days. Tone: urgent but not desperate."
What came back: a complete HTML email with a hero section, tiered product grid, countdown-style CTA, and a preheader — all inside 5 minutes. Then the automated critique ran: layout hierarchy 88/100, CTA contrast 91/100, mobile readability 79/100 (flagged a font size issue on the secondary CTA that I'd have shipped without noticing).
The gap that bothered me before building this: every email tool gives you a canvas and calls it help. You still make every spacing decision, write every line of copy, and only find out the CTA is low-contrast when someone screenshots it after the send.
Kopi's scoring runs 12+ criteria on every generation — not a linter, an actual design critique on a 0–100 scale. The public gallery at trykopi.ai/emails has 400+ emails that scored 80+ if you want to see what the outputs look like before trying it yourself.
For teams on Klaviyo, there's direct campaign export. If you're working in Claude Code or Cursor, it runs as an MCP server. It also learns brand-specific design systems — fonts, colors, layout preferences — so generations drift toward your identity rather than generic.
The brief-to-email loop is the part I'd have paid for on its own. The score is what makes me trust it enough to ship.
trykopi.ai
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