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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

Auto-Monitor Client Meeting Health with n8n: Fireflies + GPT-4o-mini + Google Sheets + Slack

Input: Fireflies meeting recordings → Process: extract sentiment scores and analyze churn risk with GPT-4o-mini → Output: Google Sheets log + Slack urgent alerts

Read the case’s method and prerequisites

Prerequisites: n8n instance (self-hosted or cloud), Fireflies.ai API key, OpenAI API key, Google Sheets OAuth2, Slack OAuth2. Create a Google Sheet tab named 'Client Sentiment Log' with 15 column headers. Estimated setup time 15–20 minutes. Source does not provide runtime cost estimates.

n8n · fireflies · openai · google-sheets · slack

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Content & Creative

Auto-Monitor School Admission Updates with n8n: Web Scraping + Gemini AI + Email Alerts

Input: list of school websites; Process: daily scrape, Gemini checks for admission openings; Output: email notification

Read the case’s method and prerequisites

Prerequisites: n8n instance (self-hosted or cloud); Google Gemini API key; SMTP email account. Import the template, fill credentials and school list into designated nodes, then activate. Triggered daily at UTC 00:00.

n8n · google-gemini · email · http-request

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Sales, Marketing & Support

n8n Multi-Agent Cold Email Campaign Generator: O3 Director + GPT-4.1 Specialists

Build a chat-triggered multi-agent workflow in n8n: an O3 Director Agent orchestrates strategy while six GPT-4.1-mini Specialist Agents run research, copywriting, personalization, sequencing, deliverability, and analytics in parallel, then integrate into a complete cold email campaign plan.

Read the case’s method and prerequisites

Prerequisites: accessible n8n instance (self-hosted or cloud); OpenAI API Key configured in n8n credentials. Input: send a natural-language request via the n8n Chat Trigger (e.g., "Create a cold email campaign for SaaS CTOs"). Output: an integrated campaign plan returned by the Director Agent. Cost: depends on OpenAI API usage; author claims ~90% savings by using O3 only for strategy and GPT-4.1-mini for tasks (unverified).

n8n · chat-trigger · ai-agent · agent-tool · openai

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Sales, Marketing & Support

LinkedIn Lead Personalization: Google Drive + Apify + AI Cold Outreach Opener

Upload a Google Drive spreadsheet → parse rows and scrape LinkedIn activity → generate a one-sentence personalized opener with an LLM → write back to Google Sheets and send a Telegram summary

Read the case’s method and prerequisites

Requires an n8n instance; configure Google Drive/Sheets OAuth2, Apify token, Anthropic and/or OpenAI API key, Telegram bot token and chat ID. The sheet must include: First Name, Last Name, Company Name for Emails, Person Linkedin Url, Email, Website. Replace all placeholders (Bearer [put your token here], [put your Telegram Bot Chat ID here]) before running. LinkedIn scraping is subject to platform rate limits and ToS.

n8n · google-drive · google-sheets · apify · anthropic · openai · telegram

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Software & DevOps

Review GitHub pull requests with AI and log results to PostgreSQL and Slack

GitHub Webhook trigger → fetch changed files and diffs → extract and structure code changes → score and categorize → route by severity → post review to GitHub PR → store in PostgreSQL → Slack notification

Read the case’s method and prerequisites

Import the n8n template. Prerequisites: n8n instance (self-hosted preferred for webhooks), GitHub repo admin access (webhook + PAT), PostgreSQL database, Slack webhook URL. Credentials required: githubApi, postgres. The AI review node in workflow.json is a Code-node placeholder (scoring logic); actual LLM call must be wired per template instructions.

n8n · GitHub · PostgreSQL · Slack

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Software & DevOps

Auto-classify GitHub issues and create Linear tasks

Listen for new GitHub issues → AI classification (type/priority/labels) → Create Linear task and post GitHub comment

Read the case’s method and prerequisites

Requires an n8n instance; configure GitHub credentials (webhook trigger and comment permissions), OpenAI credentials (gpt-4.1-mini, etc.), and Linear credentials (replace teamId with actual value). GitHub owner/repository fields are empty in the template and must be filled with the target repository.

n8n · github · linear

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Software & DevOps

Auto-Generate GitHub Release Notes and Notify Slack with n8n

Enter repo info → fetch latest tag and merged PRs → group by label into Markdown draft → create GitHub draft release → Slack notification

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Requires a n8n Cloud or self-hosted instance. Prerequisites: semantic version tags exist in the GitHub repo; PRs carry labels (e.g., feature/bug/performance); GitHub API credentials configured (PAT or OAuth with repo and write:repo_hook scopes); Slack credentials configured (Webhook URL or OAuth). The workflow is triggered manually via form, not on a schedule.

n8n

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Software & DevOps

Auto-classify GitHub Issues and Create Jira Tickets

Listen for new GitHub issues → classify with OpenAI → route conditionally → create Bug or Task ticket in Jira

Read the case’s method and prerequisites

Prerequisites: an accessible n8n instance; API credentials for GitHub, OpenAI, and Jira. Import the template into n8n, configure credentials and project parameters node by node, then save and activate the workflow. The source notes you can try gpt-4.1-mini for speed or gpt-4o for higher accuracy.

n8n · github · jira

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Software & DevOps

Auto-review Terraform PRs with n8n: GitHub + GPT-4.1 + Postgres + Slack

GitHub PR trigger → AI Agent calls tools (plan / security scan / cost estimate / standards search) → structured review → Postgres archive + PR comment → auto-approve or Slack human review

Read the case’s method and prerequisites

Prerequisites: n8n instance (self-hosted or enterprise recommended), GitHub repository admin access (repo scope + PR read/write), OpenAI API key, Postgres database, Slack workspace admin access, optional vector store (for RAG retrieval of internal IaC standards) and CI endpoints (terraform plan / security scan / cost estimate). Costs depend on OpenAI model usage and n8n execution volume.

n8n · github · openai · memory · ai-agent · slack

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Money, Bills & Benefits

Automate Monthly Finance Reports with n8n: Google Sheets + GPT-4 + Gmail

Input: Google Sheets transaction records → Process: n8n filters last-month data and GPT-4 generates insights → Output: Automated Gmail report

Read the case’s method and prerequisites

Prerequisites: n8n instance; Google Sheets OAuth2 credential; OpenAI API Key; Gmail OAuth2 credential. Your Google Sheet should include Date, Category, Description, Amount, Type columns in a sheet named FinanceSummary by default. Cost: OpenAI charges per token; actual cost depends on data volume.

n8n · google-sheets · openai · gmail · schedule

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Work & Operations

Auto-Extract Meeting Transcripts from Gmail and Route to Slack & Google Sheets

Input: Unread emails with Transcripts label in Gmail; Processing: n8n extracts body, OpenAI generates summary and action items, routes by priority; Output: Slack notification + dual Google Sheets archive

Read the case’s method and prerequisites

Prerequisites: n8n Cloud or self-hosted instance (v1.50+); Gmail/Google Sheets/Slack OAuth2 credentials; OpenAI API key; a Google Sheet with Meetings and ActionItems tabs. After importing the template into n8n, complete credentials, Sheet ID, Slack channels, and urgency threshold. Node parameters are sanitized in the template snapshot and must be configured in the n8n editor after import.

n8n · gmail · google-sheets · openai · slack

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Content & Creative

Extract and log Gmail receipt expenses with OpenAI, Sheets and Airtable

Gmail trigger → OpenAI receipt extraction → Sheets/Airtable logging + Slack/Teams alerts

Read the case’s method and prerequisites

Prerequisites: accessible n8n instance; Gmail OAuth2 credential; OpenAI API credential; Google Sheets OAuth2 and/or Airtable Personal Access Token; optional Slack OAuth2 and Teams Incoming Webhook. Costs: OpenAI API billed by token; n8n self-hosted or cloud instance costs apply separately.

n8n · gmail · openai · google-sheets · airtable · slack · http-request

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Content & Creative

Auto-generate story short videos with n8n, GPT-4o-mini, Midjourney, Kling, and Creatomate

Input character and scene params → GPT-4o-mini generates a 3-part story prompt → Midjourney images → Kling image-to-video → Creatomate final composition with subtitles

Read the case’s method and prerequisites

Requires: an n8n instance (self-hosted or cloud), a PiAPI account with x-api-key, a Creatomate account with API key (Bearer token), and a pre-configured Creatomate video template (example template ID: c10c62b6-d515-4f36-a730-f4646d1b7ee2). Single generation takes about 10–20 minutes. Pricing depends on PiAPI and Creatomate rates; not specified in source.

n8n · PiAPI · Midjourney · Kling · Creatomate

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Content & Creative

Scheduled AI Blog Draft Generator and Ghost CMS Publisher in n8n

Schedule trigger → OpenAI generates post with metadata → Code extracts and formats → Ghost Admin API publishes

Read the case’s method and prerequisites

Prerequisites: a running n8n instance; openAiApi and ghostAdminApi credentials configured in n8n Credential Manager; a Ghost site with Admin API enabled. Costs: OpenAI API usage billed by token; Ghost hosting per your plan. Boundaries: default model is gpt-4.1-mini-2025-04-14, swappable to gpt-4.1 or gpt-4 in the OpenAI node; Ghost URL must be replaced with your actual domain; posts default to published status, changeable in the Code node.

n8n · schedule · openai · http-request · code

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Content & Creative

Build an n8n Form-to-Newsletter Workflow with GPT-4o, Email Approval, and SendGrid

Form input → GPT-4o generates Markdown newsletter → email preview approval → convert to HTML and send via SendGrid

Read the case’s method and prerequisites

Prerequisites: n8n instance with LangChain nodes, OpenAI API key, Google Cloud account (Sheets + Gmail OAuth enabled), SendGrid account with a verified sender identity. Subscriber list goes into the Workflow Configuration (Set node) as comma-separated emails. Google Sheet needs columns: topic, target, sender, admin_email. Approval email contains $execution.resumeUrl and expires in 24 hours. Form field labels in the source template are in Japanese; this does not affect functionality.

n8n · gmail · google-sheets · openai · sendgrid

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