Auto-generate WordPress blog tags with GPT-4.1-mini and smart tag mapping

by Bhavy Shekhaliya ✓ · 324 views · created 2025-11-22 · Content Creation, AI Summarization

What this workflow does

This AI workflow has 18 nodes and runs manually, when you click “Execute workflow”. Along the way it connects Wordpress and OpenAI Chat Model.

How it runs

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

1. Fetch One WordPress Blog (Wordpress): get many
2. Blog Tags Generator (Basic LLM Chain): sends a prompt to an LLM, with model: 4.1 mini; output parser: Structured Output Parser
3. Split Out: splits a list into separate items
4. Fetch All Tags (HTTP Request): calls an HTTP API
5. Tagging Loop (Loop Over Items (Split in Batches)): loops over the items in batches
6. Clean Data (Split Out): splits a list into separate items
7. Switch: routes items into 2 branches
8. Create New Tag (HTTP Request): calls an HTTP API (POST)
9. Merge: merges the data from its input branches
10. Merge: merges the data from its input branches

…plus 4 more steps. See the full node list below.

Services it uses

WordpressOpenAI Chat Model

Before you upgrade to n8n 3.0

Nodes used (12)

• Wordpressn8n-nodes-base.wordpress
• Manual Triggern8n-nodes-base.manualTrigger
• Structured Output Parser@n8n/n8n-nodes-langchain.outputParserStructured
• OpenAI Chat Model@n8n/n8n-nodes-langchain.lmChatOpenAi
• Basic LLM Chain@n8n/n8n-nodes-langchain.chainLlm
• Switchn8n-nodes-base.switch
• Aggregaten8n-nodes-base.aggregate
• Loop Over Items (Split in Batches)n8n-nodes-base.splitInBatches
• HTTP Requestn8n-nodes-base.httpRequest
• Split Outn8n-nodes-base.splitOut
• Edit Fields (Set)n8n-nodes-base.set
• Mergen8n-nodes-base.merge

From the author

Overview This n8n template demonstrates how to use AI to automatically analyze WordPress blog content and generate relevant, SEO-optimized tags for WordPress posts. Use cases Automate content tagging for WordPress blogs, maintain consistent taxonomy across…

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