I Automated a Newsletter Agency with 1 AI System (no-code)

Ben AIAbout 5 min readSep 18, 2025Watch original
THE SUMMARYAI-generated

Key Concepts

  • AI-powered Newsletter Automation: Using AI to streamline and enhance the newsletter creation process.
  • Context Engineering: The process of identifying and structuring relevant information to guide AI models for high-quality content generation.
  • Prompt Engineering: Designing effective prompts to elicit desired responses from AI models.
  • Newsletter Strategy: A comprehensive plan outlining the target audience, value proposition, and content pillars for a newsletter.
  • Writing Framework: A detailed analysis of the writing style, tone, and structure of reference newsletters.
  • Human-in-the-Loop: Incorporating human review and adjustments to ensure the quality and accuracy of AI-generated content.
  • Tone of Voice Mimicry: Training AI models to replicate the unique writing style and personality of specific individuals or brands.
  • Prompt Methus/Langfuse: Tools for A/B testing prompts and context variables to optimize AI model performance.

1. Introduction

  • The video demonstrates how to automate and productize a newsletter agency using AI, specifically with Naden and Airtable.
  • The key challenge is creating high-quality newsletters with real stories, personality, and a unique voice for each brand, not just generic content.
  • The video covers a demo of the system, the context engineering process, and how it's packaged and productized.

2. System Overview

  • The system has four main sections:
    • Onboarding: Setting up newsletter strategies for multiple companies or brands.
    • Idea Generation: Generating insights or ideas automatically, manually, or by repurposing links.
    • Newsletter Writing: Writing newsletters from the generated ideas and insights, including image generation.
    • Platform Integration: Pushing the newsletter to major email marketing platforms.
  • The system is designed to adapt and mimic the tone of voice of specific personal brands.

3. Onboarding Process

  • The onboarding process is crucial for creating high-quality, brand-aligned newsletters.
  • It involves gathering context similar to what a traditional agency would do.
  • Key elements of the onboarding process:
    • Basic Information: Name, what the company/person does, who the newsletter is for.
    • Extra Instructions: Specific CTAs, word limits.
    • User Context (Optional): Personal and professional background story of the individual behind the newsletter. A document is provided to guide users in providing this information. Whisperflow is recommended for quickly answering the questions.
    • Newsletter References: Uploading examples of newsletters from other creators to mimic their tone of voice and style. The system can adapt to different styles, even from unrelated industries. Examples given are Justin Welsh and Liam Otley. PDFs can be downloaded from email and uploaded.
    • Reference Images: Adding styling examples for image generation.
    • Integration Platform: Selecting the email marketing platform to use.

4. Strategy Generation

  • After onboarding, the system generates a newsletter strategy and a writing framework based on the provided context.
  • The system parses the uploaded PDFs and then generates the reports.
  • Newsletter Strategy: Includes messaging and positioning, target audience, value proposition, narrative, and pain points. Content pillars are also generated. This is human-in-the-loop, so it can be adjusted.
  • Writing Framework: A detailed overview of the writing style of the reference newsletters, including structural formulas, language patterns, paragraph strategy, and specific phrases.

5. Idea Generation

  • Three ways to generate insights or ideas:
    • Manual Input: Entering insights directly into the system, often using Whisperflow.
    • Link Sharing: Sharing a YouTube link, blog link, or other URL. The system extracts relevant insights even if the content is not directly related to the industry.
    • Automatic Generation: Letting the system generate ideas automatically based on the context.
  • Ideas are generated according to the context provided during onboarding.

6. Content Generation

  • Users can generate content from existing ideas or by providing a YouTube link or blog link.
  • The system writes the newsletter based on the selected idea or link.
  • The system mimics the tone of voice and style of the reference newsletters.
  • Example: The system generated two newsletters from the same YouTube link, one mimicking Liam Otley's style and the other mimicking Justin Welsh's style.
    • Liam Otley Example: Starts with a personal backstory, uses short, punchy sentences, and incorporates profanity.
    • Justin Welsh Example: More nuanced and balanced writing style.
  • The system also generates subject lines and images for the newsletter.
  • Images are generated based on the user's style and can include infographics.
  • The generated content can be pushed to email marketing platforms like Kit, Beehive, etc.

7. Context Engineering Process

  • Most of the work in automating content systems lies in context engineering and prompt engineering.
  • The process involves reverse engineering from the desired outcome.
  • Steps:
    1. Define the Outcome: Newsletter generation.
    2. Identify Context Variables: Determine the best context variables for each step of the process.
      • Newsletter Strategy (ICP, strategy, CTAs, business context)
      • Brand Tone of Voice (dos and don'ts, style, format, tone)
      • Newsletter Personality (personal and professional background stories)
      • Insight/Idea (user-generated, LM-generated, or external source)
      • Newsletter References and Examples
      • System Prompt (instructions for using the context variables)
    3. Experimentation and Testing: Use tools like Prompt Methus to test different context variables, formats, and system prompts.
      • A/B testing different formats of context.
      • Testing different system prompts.
      • Experimenting with different models (Cloud 4.1 Opus is recommended for writing tasks).
    4. Work Backwards: Determine the necessary steps to generate each context piece.
      • Idea Generation: Requires newsletter strategy and newsletter personality.
      • Brand Tone of Voice: Requires newsletter references and newsletter strategy.
      • Newsletter Strategy Generation: Requires company overview, ICP, and CTA.
    5. Define User Inputs: Determine what information the user needs to provide during onboarding.
      • Company overview
      • ICP
      • CTA
      • Newsletter personality
      • Newsletter references
      • Insights and ideas
      • Brand image examples

8. Prompt Methus Demonstration

  • Prompt Methus is used to test different system prompts and context variables.
  • Users can turn context variables on and off to see their impact on the output.
  • Multiple variables can be added to test different formats of context.
  • The tool allows for A/B testing of different system prompts and models.

9. Conclusion

  • The video demonstrates a comprehensive system for automating newsletter creation using AI.
  • The key to success is effective context engineering and prompt engineering.
  • Tools like Prompt Methus are essential for optimizing AI model performance.
  • The system can mimic the tone of voice and style of specific writers, resulting in high-quality, personalized newsletters.
  • The system is not perfect and requires human review and adjustments.
  • The presenter offers a call booking for those interested in adopting the solution.

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