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Auto-tag blog posts in WordPress with OpenAI

Started by an event in a connected app, and works across RSS and WordPress. It hands the judgement calls to OpenAI. 22 steps, 1 branch, 1 loop or waits: large, and worth reading before you trust it with anything live.

LargeCalls a model: OpenAI

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22 stepsLarge: read it before trusting it with anything live
1Branch: places the flow splits
1Loop or waits
2Services it connects to

The flow

Starts it 2Model 5Logic 11Service 4

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

  1. 1OpenAI Chat ModelLm Chat Open AiModel
  2. 2OpenAI Chat Model1Lm Chat Open AiModel
  3. 3Structured Output ParserOutput Parser StructuredModel
  4. 4RSS Feed TriggerRss Feed Read triggerStarts it
  5. 5Demo Usage in Another WorkflowExecute Workflow triggerStarts it
  6. 6Generate tags for articleChain LlmModel
  7. 7Auto-fixing Output ParserOutput Parser AutofixingModel
  8. 8Loop over articlesSplit In BatchesLogic
  9. 9MOCK articleSetLogic
  10. 10SET initial recordSetLogic
  11. 11Auto-Tag Posts in WordPressExecute WorkflowLogic
  12. 12GET WP tagsHttp RequestService
  13. 13Return article detailsSetLogic
  14. 14Combine slugsAggregateLogic
  15. 15WordpressWordpressService
  16. 16Return missing tagsCodeLogic
  17. 17IfIfLogic
  18. 18GET updated WP tagsHttp RequestService
  19. 19Split OutSplit OutLogic
  20. 20Keep matchesFilterLogic
  21. 21POST WP tagsHttp RequestService
  22. 22Combine tag_idsAggregateLogic

How it's built

Starts on
An event in a connected app
Steps
22, with 1 branch, 1 loop or waits
Size
Large: read it before trusting it with anything live
Connects to
RSS, WordPress
Model
OpenAI

Questions

What does it need to run?

An n8n account, plus your own RSS and WordPress accounts, and a key for OpenAI. You connect your own accounts after importing it; none are included.

What starts it?

It starts on an event in a connected app.

Does it use AI?

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

How long does it take to set up?

Take your time. At 22 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 22 steps before you point it at anything that matters.