Build a simplified multi-agent marketing system with three specialist agents running through parallel branches from a shared campaign brief. You'll learn to design parallel branches, synchronize outputs with Merge nodes, and generate an executive brief without brittle code-based transformations.

Building an AI marketing department

Getting set up

Build the workflow foundation

Build the three Specialist Agents

Assemble and summarize

Building an AI Marketing Department

Create a conversion rate optimizer that scrapes a landing page, generates improvement ideas through a 3-agent chain, and scores them automatically. You'll implement a feedback loop that retries with the critic's suggestions when ideas don't meet a quality threshold.

CRO agent chain with feedback loop

Build the intake form

Scrape and clean the landing page

Set up the loop foundation

Next up: the 3-agent chain

Build the agent chain

Parse and score the Judge's output

Next up: completing the feedback loop

Add score validation

Complete the retry loop

CRO Agent Chain with Feedback Loop

Build a lead generation workflow that calls the Apify API to scrape Google Maps, loops through business websites to extract emails, and processes the results in parallel data streams. You'll learn to integrate external APIs, handle batch processing, and merge multiple data flows into a final output.

Lead scraper with batch processing

Set up form and API integration

Clean and prepare URLs

Build the website scraping loop

Next up: parallel data processing

Process parallel data streams

Merge and format final output

Congratulations

Lead Scraper with Batch Processing

In this hands-on course, you'll build three workflows in n8n: a multi-agent system that generates marketing plans, a conversion rate optimizer that critiques and improves its own suggestions, and a lead scraper that extracts business contacts at scale. You'll master patterns like parallel execution, sequential chaining, feedback loops, and batch processing. By the end, you'll be able to design your own AI-powered marketing automations. Ideal for marketers, growth practitioners, and automation enthusiasts with basic programming and n8n knowledge.

Introduction to Workflow Automation with n8n

Build marketing workflows in n8n using AI agents. Automate campaign strategy, conversion optimization, and lead generation from scratch.

Building Marketing Workflows with n8n

Build the intake form

Exercice interactif pratique