Templates / Check workflow templates against Creator Hub guidelines with Gemini and Gmail

Check workflow templates against Creator Hub guidelines with Gemini and Gmail

Ready for 3.0

by Oka Hironobu ✓ · 100 views · created 2026-02-28 · Engineering, 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 12 nodes and runs when someone submits an n8n form (“n8n Template Approval Checker”). Along the way it connects Google Gemini Chat Model and Gmail. It also calls generativelanguage.googleapis.com over HTTP.

How it runs

Trigger: When someone submits an n8n form (“n8n Template Approval Checker”).

  1. Generate Notion API URLs (Code): runs custom JavaScript code
  2. Fetch guideline pages from Notion (HTTP Request): calls an HTTP API
  3. Combine all fetched pages (Aggregate): combines items into one
  4. Extract text from Notion blocks (Code): runs custom JavaScript code
  5. Generate approval checklist with AI (Basic LLM Chain): sends a prompt to an LLM, with model: Google Gemini for criteria generation
  6. Convert criteria and workflow to files (Code): runs custom JavaScript code
  7. Upload files to Gemini Files API (HTTP Request): calls generativelanguage.googleapis.com (POST)
  8. Combine uploaded file references (Aggregate): combines items into one
  9. Review workflow against criteria (HTTP Request): calls generativelanguage.googleapis.com (POST)
  10. Send review results via email (Gmail): uses Gmail

Services it uses

Google Gemini Chat ModelGmail

HTTP calls to: generativelanguage.googleapis.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 (7)

From the author

Who is this for Template creators who want to validate their n8n workflows against the official Creator Hub approval criteria before submitting. Useful for both new and verified creators looking to reduce rejection rates. What this workflow does This workflow…

Excerpt from Oka Hironobu's description on n8n.io.

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

Get the weekly “what broke” email

New templates, newly broken ones, and n8n release changes. One short email a week.

Form not loading? Subscribe here.