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Turn LinkedIn post reactions into AI content ideas with OpenAI and Google Sheets

by Dr. Firasadapted from n8n official workflow galleryUpdated Aug 2026
RequiresBBasic LLM ChainGoogle SheetsGoogle SheetsHTTP RequestHTTP RequestOpenAI Chat ModelOpenAI Chat ModelStructured Output ParserStructured Output Parser
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ScDaily TriggerSeConfigurationHRFetch LinkedIn ReactionsFetch LinkedIn …SOSplit ReactionsFiFilter Recent ReactionsFilter Recent R…LiLimit AI AnalysisLimit AI Analys…CLAI Content StrategistAI Content Stra…OpenAI Chat ModelOpenAI Chat Mod…OPContent Idea ParserContent Idea Pa…SeFormat Idea RowSave to Google SheetsSave to Google …12345678910
1/5
STEPS · 10
Runs on a schedule

Quick overview This workflow runs daily to fetch your recent LinkedIn post reactions via a RapidAPI LinkedIn endpoint, uses OpenAI to turn each reacted post into a structured original content idea, and appends or updates the results in a Google Sheets idea vault without duplicates. How it works Runs every day at 08:00 using a schedule trigger. Loads configurable settings like your LinkedIn username, reaction type filter, recency window, max posts to analyze, OpenAI model, and output language. Calls the linkedin-api8 RapidAPI endpoint to retrieve posts you recently reacted to and splits the response into individual reaction items. Filters reactions to keep only the selected reaction type (or all when blank) and posts newer than the configured number of days. Limits the number of reactions sent for analysis to control cost. Sends each source post (author, reaction, text, and URL) to OpenAI to generate a structured content idea (category, angle, hook, takeaway, format, and hashtags). Saves each idea to Google Sheets using an upsert that matches on Post URL to avoid duplicate rows.

Tags

n8nreference-onlychain-llmgoogle-sheetslm-chat-open-aioutput-parser-structured
Connects
BBasic LLM ChainsheetsGoogle SheetsWHTTP RequestopenaichatmodelOpenAI Chat ModelstructuredoutputparserStructured Output Parser
CategoryAI Automation
Triggermanual
Complexitycomplex
Nodes11
AddedJul 14, 2026

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