n8n AI WordPress Keywords Based Post Creation

Overview

Type: PDF & Document Processing Workflow
Node Types: formTrigger, stickyNote, set, string, number, if, array, splitOut, merge, code, wordpress, httpRequest, respondToWebhook, openAi, toolWikipedia, main, ai_tool
Estimated Time: 16 min
Complexity: ⭐⭐⭐ Complex

✍️ n8n AI WordPress Keywords Based Post Creation

This n8n AI WordPress Keywords Based Post Creation workflow automates the entire process of creating a WordPress post using artificial intelligence. Starting from a few keywords provided by the user, it generates a complete article structure, writes content for each chapter, creates a relevant featured image, and posts it as a draft on your WordPress site. This workflow is an indispensable tool for content creators, bloggers, and marketing teams aiming to streamline and accelerate their content generation pipeline.

🔧 Workflow Steps:

  1. Form: Initiates the workflow. Users input keywords, the desired number of chapters, and a maximum word count via a web form.
  2. Settings: Configures the WordPress URL and extracts the user-provided keywords, chapter count, and word limit from the form submission.
  3. Create post title and structure: Utilizes OpenAI’s GPT-4 model to generate a SEO-friendly article title, a concise subtitle, an engaging introduction, a summary conclusion, and a prompt for the featured image. It also defines the structure for each chapter, including its title and a detailed prompt for content generation. This node is enhanced by fetching information from Wikipedia for accuracy.
  4. Check data consistency: An ‘If’ node that validates the completeness and correctness of the AI-generated data (title, subtitle, chapters, introduction, conclusions, and image prompt) before proceeding. If data is missing, an error response is sent.
  5. Split out chapters: Separates the individual chapter structures generated by the AI into distinct items, preparing them for content generation.
  6. Create chapters text: Employs OpenAI’s GPT-4 model to write the detailed text content for each chapter, based on its title and prompt. It ensures the content flows logically and coherently with preceding and succeeding chapters, avoiding repetition and maintaining the overall article’s focus.
  7. Merge chapters title and text: Combines the generated content of each chapter with its corresponding title, preparing the article for final assembly.
  8. Final article text: A Code node that assembles the complete article by concatenating the introduction, all chapter contents, and the conclusions into a single, HTML-formatted string.
  9. Post on WordPress: Publishes the generated article as a draft on your specified WordPress site, using the generated title and the complete HTML content.
  10. Generate featured image: Uses OpenAI’s DALL-E to create a unique, photographic featured image based on the article’s title and the AI-generated image prompt.
  11. Upload media: Uploads the newly generated featured image to your WordPress media library.
  12. Set image ID for the post: Links the uploaded image to the newly created WordPress post as its featured image.
  13. Respond: Success: Sends a success confirmation back to the user, indicating that the article has been successfully created as a draft on WordPress.
  14. Respond: Error: Informs the user if an issue occurred during the article creation process, prompting them to try again.

📌 Use Cases:

  • Automated blog post generation for content marketing.
  • Streamlining article creation for SEO purposes.
  • Quickly drafting content for websites and publications.
  • Assisting in ideation and content outlining for writers.
  • Generating bulk content for niche websites.

🧰 Required Credentials:

  • WordPress API
  • OpenAI API

⚙️ Notes & Enhancements:

  • Ensure your WordPress URL is correctly configured in the ‘Settings’ node.
  • The workflow posts articles as drafts, allowing for manual review and edits before final publication.
  • The AI leverage Wikipedia for information gathering, enhancing the accuracy and depth of the generated content.
  • You can modify the OpenAI prompts to fine-tune the writing style, tone, and specific content requirements.
  • Consider adding error handling for image generation failures or WordPress API issues.

Workflow Editor Screenshot

Workflow Screenshot

Workflow JSON Code

{
"id": "mKGMYXJottl0PDtM",
"meta": {
"instanceId": "cb484ba7b742928a2048bf8829668bed5b5ad9787579adea888f05980292a4a7"
},
"name": "Write a WordPress post with AI (starting from a few keywords)",
"tags": [],
"nodes": [
{
"id": "a4f19a81-6101-48c2-9560-9cf231bc240b",
"name": "Form",
"type": "n8n-nodes-base.formTrigger",
"position": [
-580,
320
],
"webhookId": "4b937814-e829-4df7-aaba-31192babf7e1",
"parameters": {
"path": "create-wordpress-post",
"formTitle": "Create a WordPress post with AI",
"formFields": {
"values": [
{
"fieldLabel": "Keywords (comma-separated)",
"requiredField": true
},
{
"fieldType": "dropdown",
"fieldLabel": "Number of chapters",
"fieldOptions": {
"values": [
{
"option": "1"
},
{
"option": "2"
},
{
"option": "3"
},
{
"option": "4"
},
{
"option": "5"
},
{
"option": "6"
},
{
"option": "7"
},
{
"option": "8"
},
{
"option": "9"
},
{
"option": "10"
}
]
},
"requiredField": true
},
{
"fieldType": "number",
"fieldLabel": "Max words count",
"requiredField": true
}
]
},
"responseMode": "responseNode",
"formDescription": "Fill this form with the required information to create a draft post on WordPress"
},
"typeVersion": 2
},
{
"id": "e4cf75f7-00e7-473a-a944-af635581715f",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
209.98769233621147,
140
],
"parameters": {
"color": 4,
"width": 301.3874093724939,
"height": 371.765663140765,
"content": "## Data check"
},
"typeVersion": 1
},
{
"id": "e949a487-6701-4650-b9be-08146b4e93ad",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
225.20535922952297,
200
],
"parameters": {
"color": 7,
"width": 272.8190508599808,
"height": 80,
"content": "Checks that the data returned by OpenAI is correct"
},
"typeVersion": 1
},
{
"id": "662fe28b-c0b7-4aef-b99c-a8c4c641251c",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1580,
140
],
"parameters": {
"color": 5,
"width": 282.3398199598652,
"height": 371.7656631407652,
"content": "## Draft on WordPress"
},
"typeVersion": 1
},
{
"id": "85996d51-ab98-41f5-b525-d926f04f50a8",
"name": "Sticky Note9",
"type": "n8n-nodes-base.stickyNote",
"position": [
1595,
200
],
"parameters": {
"color": 7,
"width": 254.77269221373095,
"height": 80,
"content": "The article is posted as a draft on WordPress"
},
"typeVersion": 1
},
{
"id": "46f67505-f2dc-4110-b1d4-a27d7814cb52",
"name": "Sticky Note10",
"type": "n8n-nodes-base.stickyNote",
"position": [
1881,
140
],
"parameters": {
"color": 3,
"width": 557.7592769264069,
"height": 369.2595606183891,
"content": "## Featured image"
},
"typeVersion": 1
},
{
"id": "a1beeb4f-f171-4c6a-ac19-7086b09757ab",
"name": "Sticky Note11",
"type": "n8n-nodes-base.stickyNote",
"position": [
1900,
200
],
"parameters": {
"color": 7,
"width": 517.9195082760601,
"height": 80,
"content": "The image is generated with Dall-E, uploaded to WordPress, and then connected to the post as its featured image"
},
"typeVersion": 1
},
{
"id": "d1fd737b-7f14-4371-8720-7742f708e641",
"name": "Sticky Note12",
"type": "n8n-nodes-base.stickyNote",
"position": [
-117.99507693448459,
200
],
"parameters": {
"color": 7,
"width": 287.370178643191,
"height": 80,
"content": "Starting from the given keywords, generates the article title, subtitle, chapters, and image prompt"
},
"typeVersion": 1
},
{
"id": "ccaaf851-613b-4d0c-8b3d-99a35ec9cdad",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-129.93405171072595,
142
],
"parameters": {
"color": 6,
"width": 319.697690939268,
"height": 370.512611879577,
"content": "## Article structure"
},
"typeVersion": 1
},
{
"id": "69bebd7b-8ad5-4b0d-a8df-1b2e6d4be96e",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-640,
140
],
"parameters": {
"color": 7,
"width": 239.97343293577688,
"height": 370.512611879577,
"content": "## User form"
},
"typeVersion": 1
},
{
"id": "2037f81b-189c-4dc4-a4dc-179e4283544c",
"name": "Sticky Note13",
"type": "n8n-nodes-base.stickyNote",
"position": [
-623,
200
],
"parameters": {
"color": 7,
"width": 199.7721486302032,
"height": 80,
"content": "The user triggers the post creation"
},
"typeVersion": 1
},
{
"id": "e8d7f711-185d-499b-ba58-de52ac6a4e58",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
2461,
140
],
"parameters": {
"color": 7,
"width": 219.70753707029849,
"height": 370.512611879577,
"content": "## User feedback"
},
"typeVersion": 1
},
{
"id": "d89bebca-3607-4c66-a13d-07c32262e01a",
"name": "Sticky Note14",
"type": "n8n-nodes-base.stickyNote",
"position": [
2481,
200
],
"parameters": {
"color": 7,
"width": 183.38125554060056,
"height": 80,
"content": "Final confirmation to the user"
},
"typeVersion": 1
},
{
"id": "7df452e2-52f3-4efe-94a4-7d4eab0670c8",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
534.9876923362115,
530.9889231025903
],
"parameters": {
"color": 7,
"width": 281.2716777103785,
"height": 288.4116890365125,
"content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nUser is notified to try again since some data is missing"
},
"typeVersion": 1
},
{
"id": "f881bcd9-c7d2-4a1c-bc1a-beb515d52ade",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-128.98646156983267,
532.991384635348
],
"parameters": {
"color": 7,
"width": 319.8306137081817,
"height": 275.3956890735875,
"content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nWikipedia is used to write the article"
},
"typeVersion": 1
},
{
"id": "1b788b37-b8b5-47f6-8198-547dac8c76d6",
"name": "Settings",
"type": "n8n-nodes-base.set",
"position": [
-320,
320
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "3a433b0f-9957-4b64-ad81-359ab5e521d5",
"name": "wordpress_url",
"type": "string",
"value": "https://you-wordpress-url-here.com/"
},
{
"id": "ec5430e3-92c5-46e4-8c2c-c87291680892",
"name": "keywords",
"type": "string",
"value": "={{ $json['Keywords (comma-separated)'] }}"
},
{
"id": "5defb0a2-d921-4909-b10d-da59e1768496",
"name": "chapters",
"type": "number",
"value": "={{ $json['Number of chapters'] }}"
},
{
"id": "230ebd0b-73c2-4265-9b3c-57af7fbc48c8",
"name": "words",
"type": "number",
"value": "={{ $json['Max words count'] }}"
}
]
}
},
"typeVersion": 3.3
},
{
"id": "af29ed91-84b5-43f8-b1ce-1c8dc35c2c1b",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
-377,
140
],
"parameters": {
"color": 2,
"width": 226.71615243495023,
"height": 370.512611879577,
"content": "## Settings"
},
"typeVersion": 1
},
{
"id": "a6fe2238-22ba-4c54-adef-663bd3955dcc",
"name": "Sticky Note15",
"type": "n8n-nodes-base.stickyNote",
"position": [
-360,
200
],
"parameters": {
"color": 7,
"width": 179.37633247508526,
"height": 80,
"content": "Set the URL of your WordPress here"
},
"typeVersion": 1
},
{
"id": "358ac79f-be7d-44eb-a353-b2ad4ac8d582",
"name": "Check data consistency",
"type": "n8n-nodes-base.if",
"position": [
300,
320
],
"parameters": {
"options": {},
"conditions": {
"options": {
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "9c8c53ea-6079-48da-9d6e-dd527167b123",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.message.content.title }}",
"rightValue": ""
},
{
"id": "a7fabfe1-3539-453a-93d9-8d6d395c3de4",
"operator": {
"type": "array",
"operation": "lengthGte",
"rightType": "number"
},
"leftValue": "={{ $json.message.content.chapters }}",
"rightValue": "={{ 1 }}"
},
{
"id": "a687081e-24e2-423c-a2da-b7c18baf0715",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.message.content.subtitle }}",
"rightValue": ""
},
{
"id": "0a435a69-3699-4b98-b46f-40954c7a7816",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.message.content.introduction }}",
"rightValue": ""
},
{
"id": "1a440144-21f3-42bd-9222-774bd564f3ef",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.message.content.conclusions }}",
"rightValue": ""
},
{
"id": "834ce92d-b1e9-48ef-ae63-1d0841c900b5",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.message.content.imagePrompt }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2
},
{
"id": "479f474a-1687-4588-8485-d793afc6757d",
"name": "Split out chapters",
"type": "n8n-nodes-base.splitOut",
"position": [
600,
320
],
"parameters": {
"options": {},
"fieldToSplitOut": "message.content.chapters"
},
"typeVersion": 1
},
{
"id": "bde7b7db-45c6-4ab3-a705-358000cefbec",
"name": "Merge chapters title and text",
"type": "n8n-nodes-base.merge",
"position": [
1220,
460
],
"parameters": {
"mode": "combine",
"options": {},
"combinationMode": "mergeByPosition"
},
"typeVersion": 2.1
},
{
"id": "0079022b-eaa2-481b-8c78-f8623a63645b",
"name": "Final article text",
"type": "n8n-nodes-base.code",
"position": [
1400,
320
],
"parameters": {
"jsCode": "let article = \"\";\n\n// Introduction\narticle += $('Create post title and structure').first().json.message.content.introduction;\narticle += \"<br><br>\";\n\nfor (const item of $input.all()) {\n article += \"<strong>\" + item.json.title + \"</strong>\";\n article += \"<br><br>\";\n article += item.json.message.content;\n article += \"<br><br>\";\n}\n\n// Conclusions\narticle += \"<strong>Conclusions</strong>\";\narticle += \"<br><br>\";\narticle += $('Create post title and structure').first().json.message.content.conclusions;\n\n\nreturn [\n {\n \"article\": article\n }\n];"
},
"typeVersion": 1
},
{
"id": "d892f00a-90fd-4bbb-bac6-4684d7d0c638",
"name": "Post on Wordpress",
"type": "n8n-nodes-base.wordpress",
"position": [
1680,
320
],
"parameters": {
"title": "={{ $('Create post title and structure').all()[0].json.message.content.title }}",
"additionalFields": {
"status": "draft",
"content": "={{ $json.article }}"
}
},
"credentials": {
"wordpressApi": {
"id": "xxxxxxxxxxx",
"name": "WordPress Credentials"
}
},
"typeVersion": 1
},
{
"id": "a609d80d-f586-4e5f-a72d-01257f676574",
"name": "Upload media",
"type": "n8n-nodes-base.httpRequest",
"position": [
2120,
320
],
"parameters": {
"url": "https://wp-demo.mondo.surf/wp-json/wp/v2/media",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "binaryData",
"sendHeaders": true,
"authentication": "predefinedCredentialType",
"headerParameters": {
"parameters": [
{
"name": "Content-Disposition",
"value": "attachment; filename=\"example.jpg\""
}
]
},
"inputDataFieldName": "data",
"nodeCredentialType": "wordpressApi"
},
"credentials": {
"wordpressApi": {
"id": "xxxxxxxxxxx",
"name": "WordPress Credentials"
}
},
"typeVersion": 4.1
},
{
"id": "bdb2ef52-0201-4fe1-a7a6-59e34e21bf5e",
"name": "Set image ID for the post",
"type": "n8n-nodes-base.httpRequest",
"position": [
2280,
320
],
"parameters": {
"url": "=https://wp-demo.mondo.surf/wp-json/wp/v2/posts/{{ $('Post on Wordpress').item.json.id }}",
"method": "POST",
"options": {},
"sendQuery": true,
"authentication": "predefinedCredentialType",
"queryParameters": {
"parameters": [
{
"name": "featured_media",
"value": "={{ $json.id }}"
}
]
},
"nodeCredentialType": "wordpressApi"
},
"credentials": {
"wordpressApi": {
"id": "xxxxxxxxxxx",
"name": "WordPress Credentials"
}
},
"typeVersion": 4.1
},
{
"id": "a721762f-168d-4c87-ab6d-0d31deecd9a5",
"name": "Respond: Success",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
2520,
320
],
"parameters": {
"options": {},
"respondWith": "json",
"responseBody": "={\n \"formSubmittedText\": \"The article {{ $json.title.rendered }} was correctly created as a draft on WordPress!\"\n}"
},
"typeVersion": 1
},
{
"id": "51b79bc2-035d-4db8-87bb-db6c889b164e",
"name": "Respond: Error",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
620,
580
],
"parameters": {
"options": {},
"respondWith": "json",
"responseBody": "={\n 'formSubmittedText': 'There was a problem creating the article, please refresh the form and try again!'\n}\n\n"
},
"typeVersion": 1
},
{
"id": "d8748498-0800-4208-b993-f233d14da7b6",
"name": "Sticky Note16",
"type": "n8n-nodes-base.stickyNote",
"position": [
533.7711864406776,
140
],
"parameters": {
"color": 2,
"width": 225.47038972308582,
"height": 370.512611879577,
"content": "## Chapters split"
},
"typeVersion": 1
},
{
"id": "4115de31-d4e9-4d77-a055-3dead31c4dc5",
"name": "Sticky Note17",
"type": "n8n-nodes-base.stickyNote",
"position": [
550.7711864406779,
200
],
"parameters": {
"color": 7,
"width": 185.6051460344073,
"height": 80,
"content": "Splits out chapter contents from the previous node"
},
"typeVersion": 1
},
{
"id": "aff8edf6-4e1e-4522-86f7-f0ce88cd0cd4",
"name": "Sticky Note18",
"type": "n8n-nodes-base.stickyNote",
"position": [
792,
198
],
"parameters": {
"color": 7,
"width": 287.370178643191,
"height": 80,
"content": "Writes the text for each chapter"
},
"typeVersion": 1
},
{
"id": "e45715a8-b1ca-4499-a16a-854f8bd4f370",
"name": "Sticky Note19",
"type": "n8n-nodes-base.stickyNote",
"position": [
780,
140
],
"parameters": {
"color": 6,
"width": 333.40108076977657,
"height": 370.512611879577,
"content": "## Chapters text"
},
"typeVersion": 1
},
{
"id": "5c4cd7a1-7dc9-4159-9bd2-dbe5f8feb663",
"name": "Sticky Note21",
"type": "n8n-nodes-base.stickyNote",
"position": [
1138.423429009716,
140
],
"parameters": {
"color": 4,
"width": 420.4253447940705,
"height": 514.2177254645992,
"content": "## Content preparation"
},
"typeVersion": 1
},
{
"id": "7a6d3f7d-0436-4844-b09a-37e805b95a2f",
"name": "Sticky Note22",
"type": "n8n-nodes-base.stickyNote",
"position": [
1160,
200
],
"parameters": {
"color": 7,
"width": 368.1523541074699,
"height": 80,
"content": "Merges the content and prepare it before sending it to WordPress"
},
"typeVersion": 1
},
{
"id": "903b695d-015a-4956-9c63-45802dfb9fdb",
"name": "Generate featured image",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
1940,
320
],
"parameters": {
"prompt": "=Generate a photographic image to be used as the cover image for the article titled: {{ $('Create post title and structure').all()[0].json.message.content.title }}. This is the prompt for the image: {{ $('Create post title and structure').all()[0].json.message.content.imagePrompt }}, photography, realistic, sigma 85mm f/1.4",
"options": {
"size": "1792x1024",
"style": "natural",
"quality": "hd"
},
"resource": "image"
},
"credentials": {
"openAiApi": {
"id": "xxxxxxxxxxx",
"name": "OpenAI Credentials"
}
},
"typeVersion": 1
},
{
"id": "faa847cb-9702-4207-aa1e-6d9f62493527",
"name": "Wikipedia",
"type": "@n8n/n8n-nodes-langchain.toolWikipedia",
"position": [
-20,
620
],
"parameters": {},
"typeVersion": 1
},
{
"id": "9d09c92e-11c0-4ea9-81d6-13bc9266741a",
"name": "Create post title and structure",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
-100,
320
],
"parameters": {
"modelId": {
"__rl": true,
"mode": "list",
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