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Create TikTok carousel posts with Upload Post, Google Sheets, Gemini, GPT-4.1

by amanullahadapted from n8n official workflow galleryUpdated Aug 2026
RequiresAAI AgentCCodeGoogle Gemini Chat ModelGoogle SheetsGoogle SheetsHTTP RequestHTTP RequestOpenAIStructured Output ParserStructured Output ParserThink ToolThink Tool
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ScDaily ScheduleSeSet ConfigRead Performance LogRead Performanc…CoFilter Posts for StatsFilter Posts fo…HRGet Post AnalyticsGet Post Analyt…CoExtract StatsUpdate StatsAgAggregateHRGet Profile AnalyticsGet Profile Ana…Read Agent SkillRead Fresh DataCoPrepare ContextOPOutput ParserTTThink ToolGemini 2.5 ProAgStrategy AgentSeSet VarsHRGenerate Image 1SOExtract URL 1HRGenerate Image 2SOExtract URL 2HRGenerate Image 3SOExtract URL 3HRGenerate Image 4SOExtract URL 4MeMerge ImagesAgAggregate ImagesGenerate DescriptionGenerate Descri…UPUpload to TikTokLog to SheetsUpdate SkillWrite SkillMaWhen clicking ‘Execute workflow’When clicking ‘…1234567891011121314151617181920212223242526272829303132333435
1/5
STEPS · 35
Runs on a schedule

Quick overview This workflow runs daily to pull TikTok post and profile analytics from Upload Post, updates a Google Sheets performance log, uses Google Gemini and OpenAI to generate a new carousel concept and caption, creates four images via fal.ai, publishes to TikTok, and updates a persistent “Agent Skill” sheet. How it works Runs on a daily schedule (or manually) and loads product, Upload Post, and Google Sheets configuration values. Reads the Google Sheets “Performance Log,” selects posts missing stats or posted recently, fetches TikTok post analytics from the Upload Post API, and writes updated metrics back to the sheet. Aggregates the refreshed history, fetches TikTok profile analytics from Upload Post, reads the “Agent Skill” sheet, and compiles a single context summary. Uses Google Gemini (via a structured JSON output) to generate a TikTok carousel plan including caption, strategy notes, four slide prompts, hashtags, and an engagement question. Sends the four prompts to fal.ai to generate four 9:16 PNG carousel images and collects their hosted image URLs.

Tags

n8nreference-onlyagentgoogle-sheetslm-chat-google-geminiopen-aioutput-parser-structuredtool-think
Connects
AAI AgentCCodeGoogle Gemini Chat ModelsheetsGoogle SheetsWHTTP RequestOpenAI
CategoryAI Automation
Triggermanual
Complexityadvanced
Nodes33
AddedJul 12, 2026

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