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Newsletter written, reviewed and sent from one topic
A&M Flow · Marketing automation

One topic in, a reviewed newsletter sent in under a minute

Type a topic and an address, and Claude outlines it, writes it, scores the draft against five editorial criteria, rewrites whatever scored low and sends the finished email through Gmail in 20 to 40 seconds.

1Field you have to fill in

Just a topic; tone, length and CTA default

6Steps it runs without you

Research, outline, write, review, refine and send in 20 to 40 s end to end

250Word ceiling on every run

Hard limit on every length tier

1 dayFrom idea to live form

Built with Claude Code in 1 day

Newsletter Writer form: topic, recipient, tone, length
01 / One form

The whole brief is a topic and an address

Tone, length and key points all come with defaults, so a run can be two fields and a button. The form tells you the wait up front, about 20 to 40 seconds in the cloud.

1field you have to fill in
  1. 1The topic line is the only thing you have to write
  2. 2The length tier keeps the email at 250 words or under
Run log with the five review scores and the self_review JSON
02 / Self-review

The draft is edited before you ever see it

A second pass scores the draft 1 to 10 on clarity, persuasion, brand alignment, specificity and structure, then names the phrases to cut. Anything under 8.5 goes back for a rewrite before the email is sent.

8.4 / 10score on this run
The generated newsletter open in Gmail on desktop
03 / Delivery

It arrives looking like a designed email

The final Markdown is rebuilt as HTML with inline CSS and a table layout, so Gmail and Outlook render it the same way. Header, one section, a CTA button and a footer, sent from your own Gmail account.

More screens
Before

A short newsletter still ate an afternoon for an angle, a draft, an edit and HTML that survives Outlook.

After

A topic and an address come back as a scored newsletter, already in the inbox.

Under the hood

01Context

A short newsletter still takes an afternoon to do well

Writing a short marketing newsletter well takes more steps than its length suggests: pick an angle, draft it, edit it with fresh eyes, format it so Gmail and Outlook both render it the same way and send it without tripping a spam filter. We wanted a tool that runs that whole sequence for A&M Flow's own newsletters, with nothing more from us than a topic and a recipient.

02What we built

A topic in, a finished newsletter out

The form asks for a topic and a recipient email; everything past that has a sensible default. Tone is a dropdown, length sets a target word count from 100 to 250 words and an optional key-points field points the model at specific angles. A dry-run checkbox generates the newsletter without sending it. Submitting the form runs the whole pipeline inside a Modal container and returns a result page with the subject line and a quality score, typically in 20 to 40 seconds. The prompt bans a fixed list of AI clichés outright.

03Constraints

Search only from the terminal, one Gmail account

Web search is real in the code but off by default on the hosted form: the deployed endpoint always passes search as disabled, so Tavily only runs from the command line with a search flag. A dry run scores the draft but the web result page shows only the subject line and the score, not the newsletter text itself. Every length tier is hard-capped at 250 words, and sending runs on one Gmail account and one app password, a tool for A&M Flow's own outbound, not a multi-tenant service.

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