Multi-agent LinkedIn content creation with GPT-4o, Google Sheets, and human review
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 18 nodes and runs on a schedule (every week at 10:00) (plus 1 other trigger). Along the way it connects Gmail, Google Sheets and OpenAI Chat Model.
How it runs
Trigger: On a schedule (every week at 10:00) (plus 1 other trigger).
- Retrieve Post History & Ideas (Google Sheets): uses Google Sheets
- Send a message (Gmail): uses Gmail
- Aggregate: combines items into one
- Deduplication & Topic Selector (AI Agent): runs an AI agent, with model: Brain: Topic Analyst (GPT-4o-mini); output parser: Structured Output Parser
- Structure & Logic Designer (AI Agent): runs an AI agent, with model: Brain: Content Architect (GPT-4o); output parser: Structured Output Parser
- Draft Copywriter (AI Agent): runs an AI agent, with model: Brain: Creative Writer (GPT-4o)
- Style & Compliance Editor (AI Agent): runs an AI agent, with model: Brain: Formatting Police (GPT-4o)
- Human Approval (Gmail) (Gmail): send and wait for a reply
- Log Published Content (Google Sheets): append
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (9)
- Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Schedule Trigger
n8n-nodes-base.scheduleTrigger - AI Agent
@n8n/n8n-nodes-langchain.agent - Gmail
n8n-nodes-base.gmail - Google Sheets
n8n-nodes-base.googleSheets - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Aggregate
n8n-nodes-base.aggregate - Error Trigger
n8n-nodes-base.errorTrigger - No Operation, do nothing
n8n-nodes-base.noOp
From the author
Description: This is a Production-Grade Multi-Agent Content Engine designed for creators who prioritize technical authority over generic AI output. Unlike standard "one-shot" prompts, this system uses a Chain-of-Thought (CoT) architecture to separate logical…