Templates / AI newsletter builder: Crawl sites with Dumpling AI, summarize with GPT-4o

AI newsletter builder: Crawl sites with Dumpling AI, summarize with GPT-4o

Ready for 3.0

by Yang ✓ · 5,055 views · created 2025-05-14 · Social Media, AI Summarization

Ready 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 8 nodes and runs manually, when you click “Execute workflow”. Along the way it connects Google Sheets, OpenAI and Gmail. It also calls app.dumplingai.com over HTTP.

How it runs

Trigger: Manually, when you click “Execute workflow”.

  1. Get Website URLs from Google Sheet (Google Sheets): uses Google Sheets
  2. Crawl and Extract Site Content with Dumpling AI (HTTP Request): calls app.dumplingai.com (POST)
  3. Split Extracted Results into Individual Items (Split Out): splits a list into separate items
  4. Map Title, URL, and Page Text (Edit Fields (Set)): sets 3 fields: metadata.title, content, metadata.original_url
  5. Combine Articles into Single Prompt Format (Code): runs custom JavaScript code
  6. Generate HTML Newsletter with Subject Using GPT-4o (OpenAI): uses OpenAI
  7. Send Newsletter via Gmail (Gmail): uses Gmail

Services it uses

Google SheetsOpenAIGmail

HTTP calls to: app.dumplingai.com

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)

From the author

Who is this for? This workflow is built for newsletter writers, marketers, content creators, or anyone who curates and summarizes web articles. It’s especially helpful for virtual assistants and founders who need to quickly turn web content into digestible,…

Excerpt from Yang's description on n8n.io.

View the original on n8n.io → Check your own copy

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