Create research-based LinkedIn posts with OpenAI, Perplexity 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 13 nodes and runs on a schedule (every week) (plus 1 other trigger). Along the way it connects OpenAI and Gmail.
How it runs
Trigger: On a schedule (every week) (plus 1 other trigger).
- 🔍 Research the Trends (Perplexity): uses Perplexity
- Select the Best Topic (Gmail): send and wait for a reply
- ✍️ Content Creator (OpenAI): uses OpenAI
- Content Aggregator (Edit Fields (Set)): sets 1 field: message.content
- Content Review & Approval (Gmail): send and wait for a reply
- If: checks a condition and branches into true / false
- 🖼️ Image Prompt Generator (OpenAI): uses OpenAI
- ✍️ Content Reviewer (OpenAI): uses OpenAI
- Code: runs custom JavaScript code
- Generate an image (OpenAI): work with image
…plus 1 more step. See the full node list below.
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 (8)
- OpenAI
@n8n/n8n-nodes-langchain.openAi - Code
n8n-nodes-base.code - Schedule Trigger
n8n-nodes-base.scheduleTrigger - Manual Trigger
n8n-nodes-base.manualTrigger - Perplexity
n8n-nodes-base.perplexity - Gmail
n8n-nodes-base.gmail - Edit Fields (Set)
n8n-nodes-base.set - If
n8n-nodes-base.if
From the author
What This Workflow Does: - Generates original, research-based LinkedIn posts - Combines AI insights with personal storytelling - Includes human-in-the-loop selection & revision steps - Automatically creates a conceptual image via DALL·E 3 - Sends the final…