What I built
Paste any product listing → get an optimized version with better title, description, and 13 keyword-targeted tags in ~10 seconds. Free for 5/day, no signup.
ContentBase: contentbase-crw.pages.dev
Also built ShopScan — $19 on-demand full Etsy SEO audit delivered by email in 24h: shopscan-eff.pages.dev
Why I built it
Etsy has 90M+ active buyers. The sellers who win aren't the ones with the best products — they're the ones whose listings match what buyers actually search for.
"Handmade blue ceramic mug" → almost no traffic.
"Handmade Ceramic Coffee Mug | Blue Stoneware 12oz | Gift for Coffee Lovers" → ranks for a dozen buyer searches.
Same product. One gets found. One doesn't.
Stack
- Cloudflare Workers (API, keeps Anthropic key server-side)
- Cloudflare KV (rate limiting: 5 free/day per IP, auto-expiry)
- Cloudflare Pages (frontend)
- Brevo (transactional email)
- Stripe Payment Links
- Total infra cost: $0/month
Interesting: Pro activation without Stripe webhooks
After payment, Stripe redirects to ?session_id=cs_live_.... Worker validates the format (unguessable), generates token, stores in KV, emails via Brevo. No webhook endpoint needed.
Current status
Day 15 building in public. Distribution is genuinely harder than the build. If you've cracked reaching niche communities (Etsy sellers in this case) I'd love to hear how.
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