Prep meeting agendas from Google Calendar with Gmail, OpenAI, and Telegram
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 26 nodes and runs on a schedule (every 15 minutes) (plus 1 other trigger). Along the way it connects Slack, Telegram, Google Calendar and Google Sheets and 3 more.
How it runs
Trigger: On a schedule (every 15 minutes) (plus 1 other trigger).
- Get Calendar Events (Google Calendar): get many
- Get Processed Events (Google Sheets): uses Google Sheets
- Slack: uses Slack
- Telegram: uses Telegram
- Filter Unprocessed Meetings (Code): runs custom JavaScript code
- Loop Over Items (Loop Over Items (Split in Batches)): loops over the items in batches
- Search Related Emails (Gmail): get many
- Build Meeting Context (Code): runs custom JavaScript code
- Enrich Attendee Data (Hunter API) (HTTP Request): calls an HTTP API
- Is Internal Meeting? (If): checks a condition and branches into true / false
…plus 12 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (17)
- Error Trigger
n8n-nodes-base.errorTrigger - Slack
n8n-nodes-base.slack - Telegram
n8n-nodes-base.telegram - Schedule Trigger
n8n-nodes-base.scheduleTrigger - Google Calendar
n8n-nodes-base.googleCalendar - Google Sheets
n8n-nodes-base.googleSheets - Code
n8n-nodes-base.code - Loop Over Items (Split in Batches)
n8n-nodes-base.splitInBatches - No Operation, do nothing
n8n-nodes-base.noOp - Gmail
n8n-nodes-base.gmail - OpenAI
@n8n/n8n-nodes-langchain.openAi - HTTP Request
n8n-nodes-base.httpRequest - If
n8n-nodes-base.if - Edit Fields (Set)
n8n-nodes-base.set - Merge
n8n-nodes-base.merge - Wait
n8n-nodes-base.wait - Airtable
n8n-nodes-base.airtable
From the author
Quick overview This workflow runs every 15 minutes to pull upcoming Google Calendar meetings, find related Gmail threads for context, and use OpenAI (GPT-4o-mini) to generate a concise agenda, then creates a Gmail draft, sends a Telegram alert, and logs…