Generate Platform-Optimized Social Media Content Across 6 Platforms with GPT-4o

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Built by Luan Correia Luan Correia
Created on June 05, 2026

Description

Who’s it for
This workflow is ideal for marketers, content creators, agencies, and small businesses that want to streamline the process of creating and publishing platform-optimized posts across multiple social media channels.

How it works / What it does
From a single user prompt, the workflow uses a custom system prompt and schema to generate tailored social media content for LinkedIn, Instagram, Facebook, Twitter (X), Threads, and YouTube Shorts. It creates platform-specific captions, hashtags, calls to action, and even AI-generated image suggestions, then routes the content to the correct publishing channel.

How to set up
Connect your social media platform credentials in n8n.

Add your Google Docs links for the system prompt and content schema.

Configure the IMGBB_API_KEY and any other required API credentials.

Optionally connect Gmail and Telegram for approval workflows and notifications.

Requirements
n8n instance (self-hosted or cloud)

API credentials for desired platforms

Google Docs and Google Drive accounts

How to customize the workflow
Edit the system prompt and schema in Google Docs to adjust tone, style, and content format for each platform. Modify routing logic or add new platform integrations as needed.

Nodes Used (14)

AI Agent
@n8n/n8n-nodes-langchain.agent
Call n8n Workflow Tool
@n8n/n8n-nodes-langchain.toolWorkflow
Code
n8n-nodes-base.code
Facebook Graph API
n8n-nodes-base.facebookGraphApi
Gmail
n8n-nodes-base.gmail
Google Docs
n8n-nodes-base.googleDocs
Google Drive
n8n-nodes-base.googleDrive
HTTP Request
n8n-nodes-base.httpRequest
LinkedIn
n8n-nodes-base.linkedIn
OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
SerpApi (Google Search)
@n8n/n8n-nodes-langchain.toolSerpApi
Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow
Telegram
n8n-nodes-base.telegram
X (Formerly Twitter)
n8n-nodes-base.twitter