Slack to Google Calendar Event Automator - n8n Automation Template

This workflow automates the process of creating and managing Google Calendar events directly from a Slack channel. By monitoring messages tagged with the 📅 (calendar) emoji, it uses AI to generate event details, create new calendar entries, and automatically add attendees based on Slack reactions (✅). Perfect for teams that want to streamline event scheduling without leaving Slack.

Features

• 🔎 Slack Channel Monitoring – Scans Slack messages for calendar-related event requests.
• 🤖 AI-Powered Event Creation – Uses ChatGPT and integrated tools to generate event titles, parse dates, times, locations, and event type.
• 📆 Google Calendar Integration – Automatically creates new events with title, description, time, and location details.
• ✅ Emoji-Based RSVP – Tracks Slack reactions (✅) and adds those users as attendees to the Google Calendar event.
• 🔄 Duplicate Prevention – Checks existing events and avoids creating duplicates by tagging them with event IDs.
• 👥 Attendee Management – Continuously updates the event with new participants from Slack reactions.
• ⏱ Scheduled Workflow – Runs every 30 minutes to stay in sync with Slack activity.
• 🧩 Flexible & Extendable – Built with n8n nodes (Slack, Google Calendar, Code, AI Agents, LangChain tools) for easy customization.