AI SEO Blog Automation for WordPress with featured images-End-to-End

🧠 Automate end-to-end SEO blog creation and WordPress publishing using a GPT-5 multi-agent workflow with real-time research, metadata generation, and optional featured images.

🧠 AI-Powered SEO Blog Automation for WordPress — n8n + GPT-5

Category: Content Creation · Marketing Automation · AI Agents · Publishing
Use Case: End-to-End SEO Blog Generation & Publishing

This production-ready n8n workflow automates the entire blog content lifecycle — from keyword input to WordPress draft publishing — using a multi-agent GPT-5 orchestration architecture.

Designed for content teams, SEO professionals, agencies, and founders, the workflow transforms structured inputs into fact-checked, SEO-optimized, publication-ready blog posts with metadata, tags, excerpts, and optional featured images.

Simply copy, paste, and configure — no custom coding required.

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🚀 What This Workflow Does

This workflow automates content creation at scale by coordinating specialized AI agents that each handle a single responsibility in a strict execution order.

It supports both manual content requests and scheduled batch publishing, making it suitable for editorial pipelines, programmatic SEO, and marketing automation.

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✨ Key Features & Capabilities

🧠 AI Content Creation (GPT-5 Optimized)

• Multi-agent content pipeline with clearly defined roles
• SEO-driven outline and section planning
• Expert-level long-form writing
• Inline citations and verified sources
• Final editorial HTML polishing

🔍 Real-Time Web Research

• Live Q&A and fact retrieval (OpenRouter / Perplexity Sonar)
• Context-aware, up-to-date information
• Reduced hallucinations and outdated content

📝 SEO & Publishing Automation

• SEO-optimized titles, slugs, excerpts, and meta descriptions
• Automatic WordPress category selection
• Dynamic tag creation and updates
• Draft publishing via WordPress REST API

🖼️ Optional Featured Image Pipeline

• AI-generated realistic cover image prompts
• Alt-text generation for accessibility and SEO
• Image upload, resizing, and WordPress attachment

📊 Workflow Tracking

• Google Sheets integration for batch automation
• Automatic status update (created = yes)
• Suitable for editorial calendars and content tracking

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🔁 Supported Triggers

1️⃣ Form Trigger (Manual Publishing)

Collects:

• Keywords
• Target word count
• Number of sections
• Writing style
• Website URL
• Website context
• Featured image toggle

2️⃣ Google Sheets + Schedule Trigger (Batch Publishing)

Automatically processes rows containing:

• Keywords
• Word count
• Sections count
• Writing style
• Website
• Website context
• Featured image toggle
• created status flag (auto-updated after publishing)

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🧠 AI Agent Orchestration (GPT-5)

A central Orchestration Agent coordinates specialized sub-agents:

• GetOnlineInfo — Live research and Q&A
• OutlinePlanner — SEO-structured table of contents
• createSections — Detailed section definitions
• SectionsWriter — Expert-level content drafting
• Editor — Final HTML refinement and compliance checks
• MetaInfo — Title, slug, excerpt, and category selection
• Tags Agent — SEO-friendly WordPress tag creation and updates
• ImagePrompt — Cover image prompt and alt text (optional)

Each agent executes once, deterministically, ensuring consistent and predictable output quality.

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✍️ End-to-End Writing Flow

1. Input parsing (Form or Google Sheets)
2. Real-time data retrieval
3. SEO-optimized outline generation
4. Section-by-section expert writing
5. Editorial refinement into valid HTML
6. Metadata and excerpt generation
7. Tag creation and update in WordPress
8. Optional image generation and upload
9. Draft post publishing to WordPress
10. Google Sheets row update (created = yes)

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📦 Output Structure (Validated JSON)

{
  "toc": "Table of Contents",
  "post_html": "<final HTML content>",
  "meta_data": {
    "title": "...",
    "slug": "...",
    "excerpt": "...",
    "category_id": 0
  },
  "image_data": {
    "image_prompt": "...",
    "alt_text": "..."
  },
  "tags": [
    { "name": "...", "description": "..." }
  ],
  "ready": true
}

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🌐 WordPress Integration

• REST API endpoints:
  • /wp-json/wp/v2/posts
  • /wp-json/wp/v2/media
  • /wp-json/wp/v2/tags
• Draft publishing with author and category assignment
• Automatic excerpt and tag updates
• Featured image handling (optional)

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🧩 Setup Requirements

🔑 Required Credentials

• WordPress API credentials
• OpenAI API key
• OpenRouter API key (optional)
• Google Sheets API credentials (optional)

🧠 Required Sub-Workflows

• OutlinePlanner
• createSections
• SectionsWriter
• Editor
• MetaInfo
• Tags Agent
• ImagePrompt (optional)

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💡 Why Use This Workflow?

• Purpose-built for Content Creation and Marketing Automation
• Eliminates manual writing, formatting, and publishing steps
• Scales from single posts to batch content pipelines
• Modular design for easy testing and customization
• Suitable for SEO blogs, SaaS content, affiliate sites, and agencies

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🏁 Production-Ready

• Copy-paste deployable
• Validated HTML, JSON, tags, and excerpts
• Modular and debuggable architecture
• Optimized for GPT-5 quality, consistency, and reliability