Claude Prompt for Writing a Newsletter
Writing an engaging and regular newsletter is a major challenge for content creators, marketers, and entrepreneurs. Between writer's block, maintaining a consistent tone, and the need to captivate a distracted audience, the process can quickly become time-consuming. Claude excels at writing newsletters thanks to its ability to structure information, adapt editorial tone, and produce content that sounds authentic rather than AI-generated. Whether you publish a weekly industry news newsletter, a personal digest, or a nurturing sequence for your business, Claude can help at every stage: from defining the editorial angle to full writing, including catchy subject lines and calls to action. The goal is not to fully delegate your voice to AI, but to use it as a co-writer that accelerates your production while respecting your editorial identity. With the right prompts, you turn a multi-hour task into a smooth 30-minute workflow.
Paste in your AI
Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.
You are an expert newsletter writer with 10 years of experience in email marketing. Write a complete newsletter edition on the following topic: [TOPIC].
Newsletter context:
- Name: [NEWSLETTER_NAME]
- Audience: [AUDIENCE_DESCRIPTION]
- Frequency: [WEEKLY/BIWEEKLY/MONTHLY]
- Tone: [CONVERSATIONAL/PROFESSIONAL/QUIRKY]
- Main goal: [INFORM/ENGAGE/CONVERT]
Expected structure:
- Email subject line: Propose 3 subject line variants (< 50 characters) with optimized open rates. Include a relevant emoji for each.
- Preview text: A hook sentence complementary to the subject line (< 90 characters).
- Introduction: A personal and engaging hook of 2-3 sentences that makes them want to read on. Avoid generic phrases like "In this edition".
- Main body: Develop the topic in 3-5 sections with clear subheadings. Each section is 80-150 words. Use bullet points for readability.
- Bonus section: An actionable tip, a recommended resource, or an anecdote related to the topic.
- Call-to-action: A clear and specific CTA aligned with the edition's goal.
- Conclusion: A closing sentence that builds anticipation for the next edition.
Writing constraints:
- Write as if you're talking to a smart friend, not an anonymous crowd
- Short sentences (max 20 words on average)
- One paragraph = one idea
- Incorporate natural transitions between sections
- Avoid jargon unless the audience is technical
- Total body length: between 500 and 800 words
Personalize this prompt with Léa
Answer 3 questions and Léa tailors the prompt to your situation.
Why this prompt works
This prompt works because it provides a complete editorial framework while allowing room for customization via the variables in square brackets. The 7-section structure replicates best practices of high-engagement newsletters, while the writing constraints guide Claude toward a natural and scannable style. By specifying the tone, audience, and goal, generic content is avoided and a result aligned with the brand identity is achieved.
Use Cases
Variants
Expected Output
Claude generates a complete, ready-to-send newsletter edition, including multiple testable subject line variants, a clear structure with well-defined sections, and a tone consistent with your editorial line. The content is immediately usable: just adjust it to your personal voice and integrate it into your emailing tool.
Frequently Asked Questions
How can I maintain a consistent tone from one issue to the next with Claude?
The key is to provide Claude with a style guide at each session. Include 2-3 typical sentences from your newsletter in your prompt, specify the words or expressions you often use, and mention any you avoid. You can also paste an excerpt from a previous issue and ask Claude to use it as a tonal reference. Over time, create a style reference document that you systematically include in your prompts.
What's the best way to generate high-performing email subject lines with Claude?
Ask Claude to generate 5 to 10 subject line variations, specifying the technique used for each: curiosity gap, direct benefit, concrete number, question, urgency, or personalization. Provide your current open rate and the subject lines that have performed best in the past. Claude can also analyze why a subject line is likely to perform well by identifying the psychological levers it activates. Always test at least 2 variations with an A/B test.
How can I prevent my newsletter from sounding like AI-generated content?
Three essential techniques: first, inject personal elements into your prompt — personal anecdotes, strongly held opinions, references to your own experience. Claude can't invent your lived experience, but it can integrate and articulate it elegantly. Second, explicitly ask for a conversational tone with deliberate imperfections: sentence fragments, interjections, asides in parentheses. Third, always do a final editing pass to add your personal touch — replace overly polished phrasing with your usual expressions.
Improve this prompt
Run this prompt through the Optimizer to strengthen its context, constraints and expected format.
Improve this prompt with the OptimizerComments
- LéaAI
Pour un résultat plus personnalisé, nourrissez le prompt avec 3‑5 éditions précédentes de votre newsletter. Claude capte mieux votre style et votre audience. Si le ton vous semble trop générique, ajoutez une phrase décrivant un lecteur type (prénom, métier, point douleur).
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