In the age of personal branding, Twitter (now X) is a goldmine for audience building. But staying consistent with high-quality, niche-specific tweets is hard—unless you automate it.
This guide introduces a fully automated tweet generation and posting system built with n8n and OpenAI’s GPT model. Whether you're a thought leader, startup founder, or digital philosopher, this system helps you post personalized, high-impact tweets on autopilot—without sounding like a bot.
I will also be sharing the JSON which you can directly use in n8n and configure the automation at the end of the blog.
The Mission
Generate and post viral-quality tweets every 6 hours—with randomness, intelligence, and human-like tone.
This project includes:
Scheduled & manual tweet generation
AI-generated tweets based on your persona
Tweet validation (length check)
Auto-posting to X (Twitter)
Workflow Overview
Here’s the high-level pipeline:
Trigger (Scheduled or Manual)
Configure Influencer Profile
Generate Tweet with GPT-4 Turbo
Validate Tweet Length
Post to Twitter
Let’s dive into each component 👇
1️⃣ Scheduled or Manual Triggers
🕒 Scheduled Trigger (Every 6 Hours)
This node schedules the workflow to run every 6 hours. It randomizes the minute field using:
={{ Math.floor(Math.random() * 60) }}
This makes tweet times seem human—not robotic.
Bonus: You can use this in tandem with a Manual Trigger Node for on-demand tweets (e.g. testing or instant publishing).
The Set node acts like your persona engine. This is where you define your:
🧭 Niche
✍️ Writing style
📚 Inspirational sources
Example Configuration:
Niche: Modern Stoicism for Tech & Women in STEM
Style: Personal, authentic, wisdom-driven
Inspiration: Dale Carnegie, Jonah Berger, Brendan Cox, etc.
This lets your AI write like you consistently, every single time.
The core of the workflow leverages OpenAI’s GPT-4 Turbo via n8n’s @n8n/n8n-nodes-langchain.openAi node.
Prompt Engineering:
We simulate a top-tier influencer with rich context:
- You are a successful modern Twitter influencer.
- Your writing style is {{ style }}
- Your inspiration is {{ inspiration }}
- Your niche is {{ niche }}
- Always return one tweet only, max 280 chars, with emojis and hashtags.
It generates:
Tweets must be within 280 characters to avoid errors. We use an IF node that checks:
{{ $json.message.content.tweet.length }} > 280
If too long, it loops back to regenerate from the same persona config. This ensures only compliant tweets make it through.
The final step uses the Twitter node to automatically post the validated tweet.
You just sit back and watch your brand grow. 📈
Note: You’ll need an authenticated Twitter/X OAuth credential configured in your n8n instance.
This completes the entire workflow.
📌 Sticky Notes as Documentation
Throughout the workflow, Sticky Note nodes are used to visually document steps:
Scheduled Posting
Profile Setup
Tweet Generation
Validation
Posting
This helps when collaborating or revisiting after a while.
💡 Use Cases
This workflow is perfect for:
🎯 Final Thoughts
This isn't just automation—it's personalized content delivery at scale. With n8n and GPT, you're building a system that learns your tone, thinks like you, and tweets like a real human.
No more writer's block. No more forgetting to post. Just a consistent stream of authentic, high-impact tweets that resonate with your audience.
Resource:
{
"name": "Tweet Generation",
"nodes": [
{
"parameters": {
"content": "## Scheduled posting \nWrite a tweet every 6 hours and randomize the minutes that it's posted at to make it seem natural.\n",
"height": 265,
"width": 389
},
"id": "12eb0a3e-df75-4a4b-8708-1de6f43337c1",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
0
],
"typeVersion": 1
},
{
"parameters": {
"text": "={{ $json.message.content.tweet }}",
"additionalFields": {}
},
"id": "ae3e9f37-aa05-4c45-83f2-ab18abda3beb",
"name": "Post tweet",
"type": "n8n-nodes-base.twitter",
"position": [
2020,
120
],
"typeVersion": 2,
"credentials": {
"twitterOAuth2Api": {
"id": "HGysfpMe0rlrAk7O",
"name": "X account"
}
}
},
{
"parameters": {
"rule": {
"interval": [
{
"field": "hours",
"hoursInterval": 6,
"triggerAtMinute": "={{ Math.floor(Math.random() * 60) }}"
}
]
}
},
"id": "ecb11468-a3fb-4f2b-a155-02821e89cd33",
"name": "Schedule posting every 6 hours",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
220,
100
],
"typeVersion": 1.1
},
{
"parameters": {},
"id": "5160c946-5bca-479e-b422-16833eca51b0",
"name": "Trigger posting manually",
"type": "n8n-nodes-base.manualTrigger",
"position": [
220,
420
],
"typeVersion": 1
},
{
"parameters": {
"content": "## Configure influencer profile \nSet your target niche, writing style, and inspiration.\n",
"height": 265,
"width": 389
},
"id": "aabe700c-0dd7-45b1-acea-64f05e1a3bf3",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
440,
0
],
"typeVersion": 1
},
{
"parameters": {
"content": "## Generate tweet\nGenerate a potentially viral tweet based on your configuration.",
"height": 265,
"width": 389
},
"id": "860b7afd-1583-49c6-ba82-40b9ebeb44df",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
880,
0
],
"typeVersion": 1
},
{
"parameters": {
"content": "## Validate tweet\nIf the generated tweet does not meet length constraints, regenerate it.",
"height": 265,
"width": 389
},
"id": "0f5423ca-b292-4f91-b08c-9067888ff1b3",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1320,
0
],
"typeVersion": 1
},
{
"parameters": {
"content": "## Post the tweet\nPost the tweet to your X account.",
"height": 265,
"width": 389
},
"id": "a1fff191-e1e8-433b-a228-850bcd72efc8",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1760,
0
],
"typeVersion": 1
},
{
"parameters": {
"conditions": {
"options": {
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "0a6ebbb6-4b14-4c7e-9390-215e32921663",
"operator": {
"type": "number",
"operation": "gt"
},
"leftValue": "={{ $json.message.content.tweet.length }}",
"rightValue": 280
}
]
},
"options": {}
},
"id": "754254d7-2656-4412-9b8b-6108f3c08687",
"name": "Verify tweet constraints",
"type": "n8n-nodes-base.if",
"position": [
1560,
100
],
"typeVersion": 2
},
{
"parameters": {
"content": "## On-demand posting \nWrite a tweet on demand, when you manually run your workflow.\n",
"height": 265,
"width": 389
},
"id": "39e837a9-a8b9-4c0f-8273-b3742158e4e8",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
0,
320
],
"typeVersion": 1
},
{
"parameters": {
"modelId": {
"__rl": true,
"mode": "list",
"value": "gpt-4-turbo-preview",
"cachedResultName": "GPT-4-TURBO-PREVIEW"
},
"messages": {
"values": [
{
"content": "=You are a successful modern Twitter influencer. Your tweets always go viral. ",
"role": "system"
},
{
"content": "=You have a specific writing style: {{ $json.style }}",
"role": "system"
},
{
"content": "=You follow the principles described in your inspiration sources closely and you write your tweets based on that: {{ $json.inspiration }}",
"role": "system"
},
{
"content": "=You have a very specific niche: {{ $json.niche }}",
"role": "system"
},
{
"content": "=Answer with the viral tweet and nothing else as a response. Keep the tweet within 280 characters. Current date and time are {{DateTime.now()}}. Add hashtags and emojis where relevant.",
"role": "system"
},
{
"content": "Write a tweet that is certain to go viral. Take your time in writing it. Think. Use the vast knowledge you have."
}
]
},
"jsonOutput": true,
"options": {}
},
"id": "d0c6067b-5ac0-4225-8e00-5291dd9d319d",
"name": "Generate tweet content",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
980,
100
],
"typeVersion": 1,
"credentials": {
"openAiApi": {
"id": "jaspGfKySbP3MuZ8",
"name": "OpenAi account"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "45268b04-68a1-420f-9ad2-950844d16af1",
"name": "niche",
"type": "string",
"value": "Modern Stoicism for Tech & Wisdom Seekers. You tweet timeless Stoic wisdom—quotes, principles, and real-life applications—blended with modern insights for tech, productivity, and digital well-being, appealing to both philosophy lovers and tech-savvy minds (especially women in STEM). Whether it’s Marcus Aurelius on resilience, how Stoicism improves coding focus, or managing startup stress with Epictetus’ mindset, you make ancient philosophy practical for today’s thinkers, builders, and ambitious women navigating tech’s challenges. Personal stories, tech-friendly Stoic tips, and a touch of wit keep it engaging."
},
{
"id": "d95f4a1c-ab1c-4eca-8732-3d7a087f82d8",
"name": "style",
"type": "string",
"value": "All of your tweets are very personal. "
},
{
"id": "1ee088f7-7021-48c0-bcb7-d1011eb0db3d",
"name": "inspiration",
"type": "string",
"value": "Your inspiration comes from tens of books on stoicism, psychology, tech experience and how to influence people. Books such as \"Contagious\" by Jonah Bergen, \"How To Be Internet Famous\" by Brendan Cox, \"How to Win Friends and Influence People\" by Dale Carnegie, and \"Influencers and Creators\" by Robert V Kozinets, Ulrike Gretzel, Rossella Gambetti strongly influence the way you write your tweets. "
}
]
},
"options": {}
},
"id": "19fe9fc0-2366-4e23-8c18-431fb7445004",
"name": "Configure your influencer profile",
"type": "n8n-nodes-base.set",
"position": [
660,
100
],
"typeVersion": 3.3
}
],
"pinData": {},
"connections": {
"Generate tweet content": {
"main": [
[
{
"node": "Verify tweet constraints",
"type": "main",
"index": 0
}
]
]
},
"Trigger posting manually": {
"main": [
[
{
"node": "Configure your influencer profile",
"type": "main",
"index": 0
}
]
]
},
"Verify tweet constraints": {
"main": [
[
{
"node": "Configure your influencer profile",
"type": "main",
"index": 0
}
],
[
{
"node": "Post tweet",
"type": "main",
"index": 0
}
]
]
},
"Schedule posting every 6 hours": {
"main": [
[
{
"node": "Configure your influencer profile",
"type": "main",
"index": 0
}
]
]
},
"Configure your influencer profile": {
"main": [
[
{
"node": "Generate tweet content",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "6efe7268-12ad-4625-b12c-4a654a2053de",
"meta": {
"templateCredsSetupCompleted": true,
"instanceId": "d03768ae40c5255f838188a39a903c303e55f2e35d13f75453bcd01fc0d4a4e2"
},
"id": "kPlSpKcpXOiNALu8",
"tags": []
}
