Human-in-the-loop post designer with Mistral AI, ImageKit, and LinkedIn publishing
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What to replace before upgrading
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) Revision based on feedback (v1.9) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (11)
- Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger - Edit Fields (Set)
n8n-nodes-base.set - Mistral Cloud Chat Model
@n8n/n8n-nodes-langchain.lmChatMistralCloud - Gmail
n8n-nodes-base.gmail - Switch
n8n-nodes-base.switch - AI Agent
@n8n/n8n-nodes-langchain.agent - Merge
n8n-nodes-base.merge - S3
n8n-nodes-base.s3 - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - LinkedIn
n8n-nodes-base.linkedIn - HTTP Request
n8n-nodes-base.httpRequest
What it does
📋 Description This n8n workflow streamlines AI-powered post creation with image banners, includes manual approval steps, and publishes to LinkedIn — all dynamically. It uses ImageKit.io to edit images, stores them on S3, and generates and revises posts through a Mistral AI Agent with human review. 🧠 How it Works (High-Level) 🔄 Triggered via incoming chat message 🧠 AI drafts a post and adds image instructions 🖼️ ImageKit API adds text overlay to image ☁️ Image is uploaded to S3 for public use 🧑⚖️ Human approval step via email 🔁 Optional revision loop 📢 Publishes approved content to LinkedIn 🛠️ Setup Requirements 🔑 API key for ImageKit.io 🧠 AI model via Mistral (or substitute like OpenAI) 📩 Email setup for Approval node ☁️ AWS S3 Bucket access 🔗 LinkedIn credentials for posting