Block 1 - Set Default Inputs
- Type / Role
- n8n-nodes-base.set - set
- Config choices
- Version 3.4
This workflow is provided as-is. Please review and test before using in production.
Extract Trends and Auto Generate Social Media Content with OpenAI, Reddit, and Google Trends: Approve and Post to Instagram, TikTok, and More Description What Problem Does This Solve? ️ This work...
n8n-nodes-base.set, n8n-nodes-base.httprequest, @n8n/n8n-nodes-langchain.openai, n8n-nodes-base.merge, n8n-nodes-base.code, n8n-nodes-base.reddit, n8n-nodes-base.stickynote, n8n-nodes-base.googlesheets
This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Immanuel.
Original n8n.io sourceThis workflow automates trend extraction and social media content creation for businesses and marketers. It eliminates manual trend research and content generation by fetching trends, scoring them with AI, and posting tailored content to multiple platforms. Target audience: Social media managers, digital marketers, and businesses aiming to streamline content strategies.
w_organization_social scope.Import the Workflow:
Configure Credentials:
Fetch Google Trends node (HTTP Request), use n8n credentials for SerpApi instead of hardcoding the API key.SerpApiKey and reference it in the node’s query parameter: api_key={{ $credentials.SerpApiKey }}.Set Up Google Sheets with the following columns (exact column names are case-sensitive) -Timestamp | Trend | Score | BrandVoice | AudienceMood |
Customize Nodes:
Trend Relevance Scoring, Generate Social Media Content): Update the model (e.g., gpt-4o) and prompt as needed.Post to Twitter/X, Post to LinkedIn, etc.): Verify URLs, authentication, and payloads.Prepare Trend Scoring Input for your desired brand_voice (e.g., "casual") and audience_mood (e.g., "curious").Fetch Reddit Trends to Store Selected Trends- to score and store trends.Retrieve Latest Trends to end) to generate and post contentDetailed descriptions are available in the sticky notes within the workflow screenshot above.
Daily Trigger Idea: Triggers the workflow daily.Set Default Inputs: Sets default brand_voice and inputs.Fetch Reddit Trends: Fetches Reddit posts.Extract Reddit Trends: Extracts trends from Reddit.Fetch Google Trends: Fetches Google Trends via SerpApi.Extract Google Trends2: Processes Google Trends data.Fetch Twitter Mentions: Fetches Twitter mentions.Translate Tweets to English: Translates tweets.Fix Tweet Translation Output: Fixes translation format.Detect Audience Mood: Detects audience mood.Fix Audience Mood Output: Fixes mood output format.Analyze News Sentiment: Analyzes news sentiment.Combine Data (Merge): Merges all data sources.Merge Items into Single Item: Combines data into one item.Combine Trends and UGC: Combines trends with UGC.Prepare Trend Scoring Input: Prepares data for scoring.Trend Relevance Scoring: Scores trends with OpenAI.Parse Trend Scores: Parses scoring output.Store Selected Trends: Stores trends in Google Sheets.Retrieve Latest Trends: Retrieves trends from Google Sheets.Parse Retrieved Trends: Parses retrieved trends.Select Top Trends: Selects the top trend.Generate Social Media Content: Generates platform-specific content.Parse Social Media Content: Parses generated content.Generate Images: Generates images for posts (if applicable).
-Handle Approvals/Rejection before PostingPost to Instagram: Posts to Instagram.Post to Facebook: Posts to Facebook.Post to LinkedIn: Posts to LinkedIn.Combine Data (Merge).Generate Social Media Content prompt for a different tone (e.g., "humorous").Daily Trigger Idea to run hourly or weekly.This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.
Showing the first 24 of 62 workflow blocks. Download the JSON for the full node graph.
| Workflow | Extract trends, auto-generate social content with AI, Reddit, Google & post |
|---|---|
| Complexity | advanced |
| Nodes | 62 |
| Categories | Social Media, Multimodal AI |
| Author | Immanuel |
| Published | 15 Apr 2025 |
Use the JSON export at /data/workflows/3560/3560.json as the source template for this automation.
Open n8n, import the downloaded JSON, and review each node before activating the workflow.
Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.
Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.
Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.
Extract Trends and Auto Generate Social Media Content with OpenAI, Reddit, and Google Trends: Approve and Post to Instagram, TikTok, and More Description What Problem Does This Solve? ️ This work...
Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.
Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Social Media, Multimodal AI use case.