Automation library · Data collection

AI-powered visual regression testing with Gemini and Linear

Started by a clock, and works across Google Drive, Google Sheets and Linear. It hands the judgement calls to Gemini. 24 steps, 4 loops or waits: large, and worth reading before you trust it with anything live.

LargeCalls a model: Gemini

24 stepsLarge: read it before trusting it with anything live
0Branches: places the flow splits
4Loops or waits
3Services it connects to

The flow

Starts it 2Model 3Logic 9Service 10

The steps in the order they run, from what starts it.

  1. 1Google Gemini Chat ModelLm Chat Google GeminiModel
  2. 2Structured Output ParserOutput Parser StructuredModel
  3. 3Allow Time for File to ProcesWaitLogic
  4. 4Schedule TriggerSchedule triggerStarts it
  5. 5Allow Time for File to Proces AgainWaitLogic
  6. 6When clicking ‘Test workflow’Manual triggerStarts it
  7. 7Visual Regression AgentChain LlmModel
  8. 8Get Webpages ListGoogle SheetsService
  9. 9Get URLs with Missing Base ImagesGoogle SheetsService
  10. 10For Each Webpage...Split In BatchesLogic
  11. 11Loop Over ItemsSplit In BatchesLogic
  12. 12MergeMergeLogic
  13. 13Combine Row and ResultSetLogic
  14. 14Base ImageGoogle DriveService
  15. 15Run Webpage Screenshot1Http RequestService
  16. 16Run Webpage ScreenshotHttp RequestService
  17. 17Download ScreenshotHttp RequestService
  18. 18Has ChangesFilterLogic
  19. 19Combine ScreenshotsMergeLogic
  20. 20Download New ScreenshotHttp RequestService
  21. 21Upload to DriveGoogle DriveService
  22. 22AggregateAggregateLogic
  23. 23Update Base ImageGoogle SheetsService
  24. 24Create ReportLinearService

How it's built

Starts on
A clock
Steps
24, 4 loops or waits
Size
Large: read it before trusting it with anything live
Connects to
Google Drive, Google Sheets, Linear
Model
Gemini

Questions

What does it need to run?

An n8n account, plus your own Google Drive, Google Sheets and Linear accounts, and a key for Gemini. You connect your own accounts after importing it; none are included.

What starts it?

It starts on a clock.

Does it use AI?

Yes. It calls Gemini. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Take your time. At 24 steps it is large: read it before trusting it with anything live.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

Before you run it

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 24 steps before you point it at anything that matters.