Collect, Plan, Generate, Send. All In Your Admin.

Most small businesses run their newsletter on a separate tool — Mailchimp, ConvertKit, Substack — disconnected from their website, CRM, and content. Another login. Another bill. Another thing that doesn't talk to anything else.

AI Business Sites includes a complete newsletter platform built into your admin panel. Collect signups from your website, plan content on a visual bulletin board, generate newsletter emails with a 5-agent AI workflow, send through Resend, and track opens, clicks, and subscriber growth — all without leaving your dashboard.

Just like our content engine, your newsletter is generated by a team of specialized AI agents — not a single prompt pasted into ChatGPT. Each agent has one job and does it well.

Click "Generate Newsletter" and the 5-agent pipeline runs: collector gathers your cards and scrapes URLs, planner proposes a section structure, section writers draft each section in parallel, assembler merges everything into a branded HTML email, and validator checks tone, links, length, and spam triggers.

• Collector Agent — gathers all card content, scrapes URL cards via Firecrawl, organizes raw material into structured JSON
• Planner Agent — proposes newsletter section structure based on collected material + brand config + cadence
• Section Writers — parallel LLM calls, one per section, each with your brand context and tone of voice
• Assembler Agent — merges section HTML into a complete email with inline CSS, header (logo + newsletter name), footer (unsubscribe link, social links), subject line, and preheader text
• Validator Agent — checks tone match, brand colors/fonts, link validity, word count, spam trigger words, unsubscribe link presence, image alt text, and calculates a spam score (0-10)

Newsletter subscribers are contacts in your CRM — not a separate list in a separate tool. When someone signs up via your embeddable form, a Contact is created with `newsletterSubscribed = true`. You can see them alongside your leads and customers, tag them, segment them, and manage everything from one place.

Import existing subscribers via CSV. Export anytime. Create segments based on tags for targeted sends. No separate subscriber database to manage.

• Embeddable signup form — lightweight JS snippet for your website, no iframe needed
• Dedicated webhook endpoint — POST signups from any form, landing page, or third-party tool
• CSV import — bulk import subscribers with email + optional name
• CSV export — export your full subscriber list anytime
• Tag-based segments — create segments by selecting tags (OR match logic), send to specific segments
• Welcome email automation — auto-send a welcome email on new signup with configurable delay
• One-click unsubscribe — CAN-SPAM compliant, automatically updates contact status

Email rendering is notoriously inconsistent. Gmail strips style blocks. Outlook uses a Word-based rendering engine. Apple Mail is the most permissive. The preview button shows your newsletter in all three modes before you send — catching broken layouts, missing fonts, and unsupported CSS before your subscribers see them.

Not a perfect emulation, but it catches the major rendering issues that would make your newsletter look unprofessional.

• Gmail preview — strips `<style>` blocks, applies Gmail CSS resets, shows inline CSS rendering
• Outlook preview — simulates Word-based rendering with tables-based layout and limited CSS support
• Apple Mail preview — closest to raw HTML rendering (most permissive)
• Send Test button — sends the newsletter to your own email address for a real-world preview

Open rates and click rates are table stakes. The newsletter analytics dashboard goes deeper — showing you trends over time, which links got the most clicks, when your subscribers are most likely to open, and which content performs best across all your past sends.

Every send is tracked: opens, clicks, bounces, unsubscribes, and per-link click counts. The system auto-calculates your optimal send time based on historical open rates and recommends it with a heatmap grid.

• Trend charts — open rate and click rate over your last 12 sends, spotting engagement trends
• Link click heat map — visual overlay on the HTML showing which links got the most clicks, with click counts
• Best time to send — auto-calculated from historical open rates by day-of-week × hour, with a heatmap grid and "Apply to cadence" button
• Subscriber growth — area chart showing total subscriber count over time
• Top performing content — cards with the highest click-through rates across all past sends, with "Reuse on current board" button
• Spam score breakdown — detailed report of spam trigger checks per send
• A/B test results — side-by-side comparison when A/B testing is enabled

Set your cadence — weekly or monthly — and the system auto-creates boards for each upcoming period. Schedule a send for a specific date and time, and the cron job picks it up, generates the content (if not already done), and sends it via Resend.

RSS auto-import runs on the same cron — fetching new items from your configured feeds and creating URL cards on your current draft board. You can set it and forget it.

• Weekly or monthly cadence with configurable send day and time
• Auto-creates boards for upcoming periods — never start from a blank board
• Schedule sends for specific dates — cron handles dispatch automatically
• RSS auto-import — cron fetches new feed items and creates cards
• A/B test flow — cron manages the test slice, wait period, and winner send
• All automated via a single cron endpoint secured with CRON_SECRET