Auto-generate LinkedIn posts from articles with Dumpling AI and GPT-4o
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 this workflow does
This AI workflow has 8 nodes and runs manually, when you click “Execute workflow”. Along the way it connects Google Sheets and OpenAI Chat Model. It also calls app.dumplingai.com over HTTP.
How it runs
Trigger: Manually, when you click “Execute workflow”.
- Get "To do" Topics from Sheet (Google Sheets): uses Google Sheets
- Scrape Articles via Dumpling AI Search (HTTP Request): calls app.dumplingai.com (POST)
- Summarize 3 Articles + Generate LinkedIn Post + Image Prompt (AI Agent): runs an AI agent, with model: Enable GPT-4o for LangChain Agent
- Extract Post Text and Image Prompt (Edit Fields (Set)): sets 2 fields: postText, imagePrompt
- Generate Image with Dumpling AI (HTTP Request): calls app.dumplingai.com (POST)
- Update Google Sheet with Post & Image (Google Sheets): update
Services it uses
HTTP calls to: app.dumplingai.com
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- AI Agent v1 (old agent modes) in Summarize 3 Articles + Generate LinkedIn Post + Image Prompt (v1.9): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) Summarize 3 Articles + Generate LinkedIn Post + Image Prompt (v1.9) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (6)
- Manual Trigger
n8n-nodes-base.manualTrigger - Google Sheets
n8n-nodes-base.googleSheets - HTTP Request
n8n-nodes-base.httpRequest - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - AI Agent
@n8n/n8n-nodes-langchain.agent - Edit Fields (Set)
n8n-nodes-base.set
From the author
👤 Who is this for? This workflow is ideal for social media managers, personal brand strategists, ghostwriters, and founders who want to post regularly on LinkedIn without spending hours writing from scratch. It’s also useful for marketing agencies and…