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n8n

A workflow automation platform connecting apps, data and AI.

Official source ↗ · Source checked 2026-10-23

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Tasks covered in this library

331 tag-associated cases; tool roles have not all been reviewed. This is not the product’s full capability range.

Latest case update:2026-10-26

Workflows, prerequisites & evidence

Sales, Marketing & Support

Build an AI Creative Design Agency in n8n: O3 Director + GPT-4.1-mini Multi-Agent Team

Send a design brief via chat trigger → O3 Creative Director Agent breaks it down and delegates to 6 GPT-4.1-mini specialist designer agents in parallel

Read the case’s method and prerequisites

Prerequisites: accessible n8n instance (cloud or self-hosted), OpenAI API key for o3 and gpt-4.1-mini. This is an official n8n template; import workflow.json directly to replicate. All specialist agent nodes use the same expression in the text field; role differentiation is handled via toolDescription.

n8n · agent-tool

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Sales, Marketing & Support

CDO AI Data Analytics Team: o3 Orchestration + GPT-4.1-mini Specialist Agents

Import n8n template → configure OpenAI multi-model credentials → trigger data analytics tasks via chat and let the CDO Agent auto-delegate to 6 specialist agents

Read the case’s method and prerequisites

Prerequisites: n8n instance with LangChain nodes enabled; OpenAI API key with access to o3 and gpt-4.1-mini; environment that can deploy webhooks. Cost: billed per OpenAI API usage; o3 is used only for CDO decisions, while 6 specialist agents run on gpt-4.1-mini. No specific pricing is provided by the source; refer to OpenAI's official pricing.

n8n · agent-tool

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Sales, Marketing & Support

n8n Multi-Agent Engineering Department: CTO Agent Orchestrates O3 and Six Specialist Agents

Import n8n template → configure OpenAI credentials → send technical requests via Chat Trigger → CTO (o3) analyzes and delegates to Architecture/DevOps/Security/QA/Backend/Frontend Agents (gpt-4.1-mini) → receive comprehensive technical deliverables

Read the case’s method and prerequisites

Prerequisites: accessible n8n instance with LangChain nodes enabled; OpenAI API key supporting o3 and gpt-4.1-mini; webhook capability for chat messages. Boundaries: this is an official n8n workflow template—import the workflow JSON and configure credentials per node. Specialist Agents use the n8n dynamic expression `={{ $fromAI(...) }}` in their prompt fields; the framework injects the user message at runtime, so these are not traditional static system prompts. Cost: o3 is used only for the CTO Agent's strategic decisions; specialists use gpt-4.1-mini to reduce cost (source claims ~90% reduction). Not tested by this site.

n8n · agent-tool

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Sales, Marketing & Support

Scan code repositories for governance issues using n8n + GPT-4o multi-agent orchestration with severity-based reports

Input: repository path and Git credentials; Process: SSH file extraction → governance orchestrator coordinates four sub-agents (static code / architecture compliance / CTO report / security vulnerability) → structured output → severity routing; Output: board-ready governance report with graded alerts

Read the case’s method and prerequisites

Prerequisites: n8n instance; OpenAI API credentials (openAiApi); Git repository access (GitHub/GitLab/Bitbucket API or SSH); notification channel (Slack/email/webhook). Costs depend on GPT-4o token usage and n8n hosting.

n8n · agent-tool

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Content & Creative

n8n Faceless Shorts Pipeline: Script to Multi-Platform Publish

Google Sheets trigger → Anthropic script → OpenAI image → RunwayML video → ElevenLabs voice → Creatomate merge → Replicate captions → Drive/YouTube upload

Read the case’s method and prerequisites

Requires n8n instance (self-hosted or cloud), Google OAuth2 credentials, and API keys for Anthropic, OpenAI, RunwayML, ElevenLabs, Creatomate, and Replicate. Import workflow.json, then replace YOUR_API_TOKEN per node name and configure credentials. Optional direct YouTube upload needs additional Google YouTube OAuth.

n8n · google-sheets · google-drive · runwayml · elevenlabs · creatomate · replicate

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Content & Creative

Turn Notes into RAG Study Flashcards with n8n, OpenAI, and Slack

Study notes in → chunked, embedded, and retrieved → LLM-generated Q&A cards → human review → Slack out

Read the case’s method and prerequisites

Prerequisites: accessible n8n instance; OpenAI API key (embeddings + chat); Slack app/bot token with chat:write scope. Costs depend on OpenAI API usage and n8n hosting. Default config: chunkSizeChars=800, chunkOverlapChars=120, retrievalTopK=6, similarityThreshold=0.15, flashcardCount=10, embeddingModel=text-embedding-3-small, chatModel=gpt-4.1-mini. Supports webhook trigger or manual test run.

n8n · slack

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Content & Creative

Bulk Google PageSpeed Insights to CSV

Feed multiple URLs via chat in n8n, call the PageSpeed API, and get a downloadable CSV report

Read the case’s method and prerequisites

Prerequisites: an n8n instance (self-hosted or cloud) and a Google PageSpeed Insights API Key configured as httpQueryAuth credentials. Input is a space- or comma-separated URL list via chat. Output is a temporary CSV download link hosted on uguu.se. Limits: max 10 URLs per batch; API timeout 90s; temporary files expire in 24–48 hours.

n8n · google-pagespeed-insights

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Content & Creative

PDF to Ghost Blog Post: n8n Automation Workflow

Upload PDF → AI extracts and structures a blog post → Publish to Ghost CMS

Read the case’s method and prerequisites

Import the template workflow into n8n, configure OpenAI and Ghost Admin API credentials, and enable the form trigger. When a user uploads a PDF, the workflow extracts text, uses gpt-4o-mini with a system prompt to generate JSON with title and content, then passes through a code node for field separation and conditional validation before publishing to Ghost. Requires an n8n instance, OpenAI API key, and Ghost Admin API credentials. Costs depend on OpenAI usage and n8n hosting.

n8n · ghost

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Content & Creative

Auto-Produce LinkedIn Content with n8n: OpenAI Ideas & Drafts, Gmail Reply Approval, Google Sheets Tracking

Input niche and audience config → OpenAI generates post ideas → approve by replying with a number in Gmail → receive drafts → reply again to publish to LinkedIn, all tracked in Sheets

Read the case’s method and prerequisites

Requires an n8n instance; configure OpenAI, Gmail, Google Sheets OAuth2, and LinkedIn Community Management credentials. Create a Google Sheet with the specified columns and map it in all Sheets nodes. Fill the Configuration node with niche, audience, notification email, idea/draft counts, word limits, OpenAI model, LinkedIn post-as mode (person or organization), and URN.

n8n · openai · gmail · google-sheets · linkedin

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Life Admin & Home

Log workouts with n8n form and get Gemini AI fitness analysis

Fill a web form → Gemini AI parses workout → Save to Google Sheets → Slack + Gmail notifications

Read the case’s method and prerequisites

Requires an n8n instance; Google Sheets and Gmail OAuth credentials; a free Gemini API key from Google AI Studio; a Slack workspace with a connected app. Import workflow.json into n8n or rebuild nodes manually, replace placeholders (YOUR_GOOGLE_SHEET_ID, YOUR_SLACK_CHANNEL_ID, YOUR_EMAIL_ADDRESS), activate the form, and bookmark the URL.

n8n · gemini · google-sheets · slack · gmail · code

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Sales, Marketing & Support

n8n Auto-Enhance Product Photos into Luxury Ad Backgrounds

Google Drive transparent product images → AI-generated background prompt → Pixelcut API composes professional background → save enhanced images back to Drive

Read the case’s method and prerequisites

Prerequisites: n8n instance (cloud or self-hosted), Google Drive OAuth2 credentials, Pixelcut.ai API Key, product images recommended as PNG with transparent backgrounds. Optional: OpenAI/Claude/Groq Vision API for auto-generated background prompts. Costs: Pixelcut.ai and AI API billed per their platforms; n8n billed per instance plan.

n8n · google-drive · ai-agent · http-request · openai

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Work & Operations

Manage Google Calendar events with n8n AI Agent (Get, Create, Delete)

Pass natural-language commands from a parent workflow to a sub-agent, letting an LLM choose the right Google Calendar tool to list, create, or delete events

Read the case’s method and prerequisites

Prerequisites: n8n instance (CE is fine), OpenAI API key, Google Calendar OAuth2 credentials, target calendar ID. This template is a sub-workflow invoked by a parent workflow via an Execute Workflow node. Inputs are `text` (user instruction) and `sessionid` (session identifier for short-term memory). Cost: n8n CE is free; OpenAI and Google Calendar are pay-per-use.

n8n · openai · google-calendar · memory

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Work & Operations

Manage Google Calendar via WhatsApp with GPT-4

WhatsApp message → n8n AI Agent → Google Calendar action → WhatsApp confirmation reply

Read the case’s method and prerequisites

Prerequisites: n8n instance (internet-accessible), Meta developer account with verified WhatsApp Business phone number, Google Calendar OAuth2 credentials, OpenAI API Key. Costs: OpenAI per-token; WhatsApp Business Cloud per Meta pricing; n8n self-hosted or cloud per plan.

n8n · openai · whatsapp · memory · ai-agent

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Sales, Marketing & Support

n8n AI Meeting Summary: Extract Decisions & Action Items to Notion, Slack, and Gmail

Webhook meeting transcript → GPT-4 structured analysis → multi-channel sync of summaries, tasks, and reminders

Read the case’s method and prerequisites

Prerequisites: n8n instance (self-hosted or cloud), OpenAI API key, Slack workspace with bot token (chat:write), Notion integration token plus two databases (Meeting Notes + Action Items), Google Workspace OAuth2 credentials for Gmail/Calendar/Sheets. Estimated setup: 25-35 minutes. Cost: ~$0.0024 per meeting on GPT-3.5 (author estimate).

n8n · webhook · code · openai · slack · gmail · google-sheets

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Money, Bills & Benefits

Auto-Analyze Meta Ads Creatives with Parallel GPT-4 & Gemini in n8n

Input Meta Ads data or a Google Sheets list → extract metrics → send in parallel to OpenAI and Gemini against benchmarks → write ratings and action recommendations back to the sheet

Read the case’s method and prerequisites

Prerequisites: an n8n instance; credentials for facebookGraphApi, googleSheetsOAuth2Api, openAiApi, and googlePalmApi. You must prepare a CSV of historical benchmark creatives. Cost information is not provided by the source.

n8n · facebook-graph-api · google-sheets · openai · gemini · schedule-trigger

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