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Daily email & calendar summaries to Slack using Gemini AI & Google Workspace

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Daily email & calendar summaries to Slack using Gemini AI & Google Workspace preview
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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Turn Daily Emails and Calendar Summaries into Slack Notifications Here’s a workflow that automates daily Slack notifications with a concise summary of unread emails (from the last 7 days) and ...

Best for

  • AI Summarization automation workflows
  • advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.cron, @n8n/n8n-nodes-langchain.lmchatgooglegemini, @n8n/n8n-nodes-langchain.agent, n8n-nodes-base.googlecalendartool, n8n-nodes-base.gmail, n8n-nodes-base.googlesheets, n8n-nodes-base.code, n8n-nodes-base.merge

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by SayOne Technologies.

Original n8n.io source

1.1 Workflow description

Title
Daily email & calendar summaries to Slack using Gemini AI & Google Workspace
Workflow name
Daily email & calendar summaries to Slack using Gemini AI & Google Workspace

📧📅 Turn Daily Emails and Calendar Summaries into Slack Notifications

Here’s a workflow that automates daily Slack notifications with a concise summary of unread emails (from the last 7 days) and Google Calendar events (for the current day).
It integrates Gmail, Google Sheets, Google Calendar, Gemini AI, and Slack to provide a clear snapshot of your workday.

💡 How It Helps You

  • 📥 Fetches unread emails from Gmail for the past 7 days
  • 🗂️ Filters emails based on Name, Email, and Subject defined in Google Sheets
  • 📅 Fetches Google Calendar events for the current day
  • 🤖 Summarizes emails and calendar events using Gemini AI
  • 🔗 Merges both summaries and sends them as a formatted Slack notification
  • ⏰ Runs automatically on a scheduled cron trigger

🛠️ What’s Needed to Start

  • 📧 Gmail account (with unread emails access)
  • 📑 Google Sheets (with Name, Email, Subject filter list)
  • 📅 Google Calendar
  • 🤝 Gemini AI with credentials
  • 💬 Slack workspace & dedicated channel for notifications

⚡ Set Up in Minutes

  1. 📑 Create a Google Sheet with columns: Name, Email, Subject
  2. 🔑 Configure Gmail, Google Sheets, Google Calendar, and Slack credentials in n8n
  3. 🤖 Add Gemini AI credentials for summarization
  4. 📝 Update the Google Sheet name and file name in the Sheet node
  5. 💬 Update Slack channel ID in the workflow
  6. ✅ Activate the workflow to receive daily notifications

✨ Stay on top of important emails and upcoming meetings without manual checking!

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Cron

Type / Role
n8n-nodes-base.cron - cron
Config choices
Version 1

Block 2 - Google Gemini Chat Model

Type / Role
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - lmChatGoogleGemini
Config choices
Version 1

Block 3 - AI Agent

Type / Role
@n8n/n8n-nodes-langchain.agent - agent
Config choices
Version 2.2

Block 4 - Get many events in Google Calendar

Type / Role
n8n-nodes-base.googleCalendarTool - googleCalendarTool
Config choices
Version 1.3

Block 5 - AI Agent1

Type / Role
@n8n/n8n-nodes-langchain.agent - agent
Config choices
Version 2.2

Block 6 - Get weekly unread emails

Type / Role
n8n-nodes-base.gmail - gmail
Config choices
Version 2.1

Block 7 - Get Names, emails and subject

Type / Role
n8n-nodes-base.googleSheets - googleSheets
Config choices
Version 4.7

Block 8 - Restructure the data from spread sheet

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 9 - Filter the emails

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 10 - Restructure the code from the AI agent

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 11 - Restructure the code from AI agent

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 12 - Append mails and events

Type / Role
n8n-nodes-base.merge - merge
Config choices
Version 3.2

Block 13 - Sticky Note

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 14 - Sticky Note1

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 15 - Sticky Note2

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 16 - Sticky Note3

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 17 - Sticky Note4

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 18 - Sticky Note5

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 19 - Send a message

Type / Role
n8n-nodes-base.slack - slack
Config choices
Version 2.3

Block 20 - Restructure the code into slack block

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

3. Summary Table

Workflow Daily email & calendar summaries to Slack using Gemini AI & Google Workspace
Complexity advanced
Nodes 20
Categories AI Summarization
Author SayOne Technologies
Published 01 Sept 2025

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/8109/8109.json as the source template for this automation.

  2. 2. Import the template into n8n

    Open n8n, import the downloaded JSON, and review each node before activating the workflow.

  3. 3. Configure credentials and variables

    Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.

  4. 4. Test with sample data

    Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.

  5. 5. Activate and monitor

    Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Frequently asked questions

What does Daily email & calendar summaries to Slack using Gemini AI & Google Workspace do?

Turn Daily Emails and Calendar Summaries into Slack Notifications Here’s a workflow that automates daily Slack notifications with a concise summary of unread emails (from the last 7 days) and ...

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your AI Summarization use case.