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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

Work & Operations

Automate Gmail Tasks with a Gemini AI Agent and Contact Lookup

Build an n8n Chat Trigger workflow that lets a Gemini-powered agent send, reply, label, delete, and fetch emails via natural-language commands, with contact emails resolved from Google Sheets.

Read the case’s method and prerequisites

Prerequisites: a Gmail account with pre-created labels (youtube-viewers, sales-inquiry, meeting-request, potential-clients, collaboration-requests), a Google Gemini API key, a Google Sheets contact list (name + email columns), and an n8n instance. Cost: Gemini is billed per token; see Google’s pricing page for current rates.

n8n · Gmail · Google Sheets

Associated by case tags. Verify costs, permissions and actual results in the case.

Work & Operations

Natural-Language Chat-Driven Jira Issue Management: n8n + Gemini + MCP

Send chat messages to n8n, let Gemini interpret intent, and execute Jira operations via an MCP server

Read the case’s method and prerequisites

Prerequisites: n8n instance (cloud or self-hosted), Jira Software account with API token, Google Gemini API credentials, a configured and accessible MCP server. Basic n8n workflow experience recommended.

n8n · Jira

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Sales, Marketing & Support

Query HubSpot CRM with Natural Language

Type natural-language questions in the n8n chat UI → AI Agent parses and calls HubSpot tools to search contacts or deals → returns structured results

Read the case’s method and prerequisites

Requires an n8n instance, HubSpot OAuth2 credentials, and an OpenAI API key. Import the template into n8n, configure credentials on both HubSpot tool nodes and the OpenAI Chat Model node, then open the chat trigger to start a conversation. Date filters require epoch milliseconds in UTC.

n8n · HubSpot

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Life Admin & Home

WhatsApp AI Assistant for Google Calendar & Gmail

Manage calendar and email via natural-language WhatsApp messages, powered by Gemini

Read the case’s method and prerequisites

Prerequisites: n8n instance (self-hosted or cloud), Meta for Developers account (WhatsApp Business API), Google account (Workspace or Gmail), Google AI Studio API key. All credentials are stored securely in n8n. The Google Calendar nodes use a placeholder email [email protected] that must be replaced with a real calendar address.

n8n · WhatsApp · Gmail · Google Calendar · Gemini

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Money, Bills & Benefits

Track AI Agent Costs and Decisions with n8n Ledger

Receive agent events via webhook → calculate token costs → persist ledger → WhatsApp budget alerts and daily digests

Read the case’s method and prerequisites

Requires an accessible n8n instance; WhatsApp Business account and credentials; no Anthropic credential needed. Ledger data is stored in n8n workflow static data and only persists while the workflow is active.

n8n · whatsapp

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Work & Operations

Track Asset Warranty Deadlines with Google Sheets, Gmail, Todoist, Slack, and OpenAI

Google Sheets asset register → compute warranty days remaining → route by urgency to Slack / Todoist / Gmail alerts, with OpenAI drafting renewal negotiation emails for high-value assets

Read the case’s method and prerequisites

Requires an n8n instance; API credentials for Google Sheets, Gmail, Slack, Todoist, and OpenAI; a Google Sheet with columns asset, owner_email, purchase_date, warranty_months, vendor, value, status. Runs automatically at 08:30 daily.

n8n · google-sheets · gmail · slack · todoist

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Money, Bills & Benefits

Track employee expense receipts from Telegram with GPT-4o-mini and Google Sheets

Employee sends a photo → AI extracts merchant, amount, date → policy check auto-approves or routes to manager → record results and monthly email report

Read the case’s method and prerequisites

Requires: an n8n instance with a public URL for Telegram webhooks, a Telegram Bot Token (via @BotFather), an OpenAI API Key (gpt-4o-mini), Google Sheets API credentials, and Gmail credentials. Cost: roughly one cent per receipt for OpenAI; other services billed at platform rates.

n8n · telegram · google-sheets · gmail

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Work & Operations

Track Financial Health with n8n Form: Groq Scoring, Google Sheets Archive, and Slack Alert

User submits income/savings/investment/expenses → n8n computes financial health score → Groq generates advice → stores to spreadsheet and pushes to Slack

Read the case’s method and prerequisites

Prerequisites: accessible n8n instance; Groq API credential; Google Sheets OAuth2 credential (target spreadsheet must include columns for income, saved, invested, expenses, scores, status, and date); Slack API credential and permission for the target channel. Test with sample data before opening the form to users. Costs depend on platform usage.

n8n · Google Sheets · Slack

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Sales, Marketing & Support

Auto-save meeting transcripts to Notion & Google Drive with AI-generated tasks

Webhook ingestion → flatten & classify → AI structured notes → Notion pages + Drive archive + task creation

Read the case’s method and prerequisites

Prerequisites: accessible n8n instance; OpenAI API key; Anthropic API key; Notion internal integration (Meetings and Tasks databases shared); Google Drive OAuth2 credential. Optional: meeting recorder that supports webhooks. Costs depend on API usage and n8n hosting.

n8n · notion · google-drive

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Content & Creative

Auto-Turn Gmail Newsletters into LinkedIn Insight Posts

Gmail emails → OpenAI extract & generate → LinkedIn auto-publish

Read the case’s method and prerequisites

Requires an n8n instance; credentials needed: gmailOAuth2, openAiApi, linkedInOAuth2Api. The Gmail node filters by sender; OpenAI nodes use o3-mini-2025-01-31; the LinkedIn node requires OAuth2 authorization and a person ID. No runtime cost estimate is provided by the source.

n8n · gmail · linkedin

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Sales, Marketing & Support

Auto-Transform LINE Images to Lego Style with n8n and DALL·E

LINE message trigger → n8n fetches image → GPT-4o-mini generates Lego prompt → DALL·E generates image → LINE delivers result

Read the case’s method and prerequisites

Requires: 1) an accessible n8n instance; 2) a LINE Developer Account and API Token; 3) an OpenAI API key with DALL·E and GPT-4 access. Costs: OpenAI API usage-based for tokens and image generation; LINE Messaging API has a free tier. Not tested by this site.

n8n

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Sales, Marketing & Support

Transform meeting notes into action items with Gemini & Google Workspace

Webhook receives meeting notes → Gemini AI extracts structured data → auto-create tasks, send follow-up emails, generate summary doc

Read the case’s method and prerequisites

Prerequisites: self-hosted n8n instance (community nodes are not compatible with n8n Cloud); Google Cloud Platform project with Google Tasks API, Google Docs API, Gmail API, and Google Palm API enabled; four OAuth2 credentials configured in n8n (googlePalmApi, googleTasksOAuth2Api, gmailOAuth2, googleDocsOAuth2Api). Receives meetingNotes, meetingTitle, meetingDate, attendees, duration via Webhook POST.

n8n · gemini · gmail · google-tasks · google-docs

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Money, Bills & Benefits

Transform Meeting Notes into Asana Tasks and Slack Summaries

Form-submitted notes → GPT-4o extracts decisions and action items → Creates Asana tasks → Aggregates and sends Slack summary

Read the case’s method and prerequisites

Requires: n8n instance; OpenAI API key; Asana workspace OAuth2 connection; Slack workspace OAuth2 connection. Cost: author estimates approximately $0.01–0.03 per meeting analysis (GPT-4o). Form can be shared with your team.

n8n · asana · slack

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Work & Operations

Turn Whiteboard Photos into Meeting Notes and Action Items with n8n and Gemini

Whiteboard photo → Gemini handwriting recognition → structured notes → Sheets archive + Gmail distribution

Read the case’s method and prerequisites

Requires an accessible n8n instance; configure three credential types: Google Gemini (PaLM) API, Google Sheets OAuth2, and Gmail OAuth2. Prepare a Google Sheets document with two tabs (suggested names: Meetings and Action Items). After publishing the form, a shareable URL is generated.

n8n · gemini · google-sheets · gmail

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Content & Creative

Respond to WhatsApp messages with AI like a pro

WhatsApp message → n8n type-based routing (text/image/audio/video) → Gemini multimodal understanding → AI Agent generates reply → WhatsApp send-back

Read the case’s method and prerequisites

Prerequisites: n8n instance (cloud or self-hosted), WhatsApp Business account with API credentials (whatsAppTriggerApi, whatsAppApi), and Google Gemini API credentials (googlePalmApi). Import the template workflow JSON into n8n, configure credentials per node instructions, and activate the workflow. Large media files may impact performance; pre-processing is recommended.

n8n · whatsapp · gemini

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