#121 Max: Build a Multi-Agent Newsletter System in n8n – The Complete Guide

Imagine a "content factory" that researches, writes, and formats a professional newsletter for you every week. 📰 We're showing you how to build this exact multi-agent system in n8n, on autopilot.

We’ll talk about:

• The complete, step-by-step guide to building an autonomous, multi-agent newsletter creation system in n8n.
• The "assembly line" architecture: using a "Planning Agent" to create the blueprint, specialized "Writing Agents" for each section, and a final "Editor-in-Chief" agent.
• A strategic approach to cost-optimization: using a cheaper model like GPT-5 Mini for bulk work and the full GPT-5 for the final, high-quality HTML formatting.
• The "human-in-the-loop" philosophy: why the final, crucial step is sending the newsletter as a draft to your inbox for a final human review.
• Plus, the detailed system prompts for each specialized agent in your new content factory.

Keywords: n8n, AI Agents, Agent Swarm, Multi-Agent Systems, AI Newsletter, Content Automation, AI Writing, GPT-5, OpenRouter, Tavily AI, No-Code AI, AI Workflow

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