Personal Google Calendar & reminder bot on Telegram using Gemini & Whisper
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 21 nodes and runs on a schedule (every day) (plus 1 other trigger). Along the way it connects Telegram, Google Gemini Chat Model, Google Calendar and OpenAI.
How it runs
Trigger: On a schedule (every day) (plus 1 other trigger).
- Get Upcoming Events (Google Calendar): uses Google Calendar
- Switch: routes items into branches
- Filter Duplicate Reminders (Remove Duplicates): removes duplicate items
- Send Typing Indicator (Telegram): uses Telegram
- 📥 Download Voice (Telegram): uses Telegram
- Reminder Message Agent (AI Agent): runs an AI agent, with model: Google Gemini Model
- Edit Fields (Edit Fields (Set)): sets or maps fields
- OpenAI: uses OpenAI
- Send Reminder (Telegram): uses Telegram
- Merge: merges the data from its input branches
…plus 3 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 (13)
- Telegram
n8n-nodes-base.telegram - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Schedule Trigger
n8n-nodes-base.scheduleTrigger - Google Calendar
n8n-nodes-base.googleCalendar - Remove Duplicates
n8n-nodes-base.removeDuplicates - AI Agent
@n8n/n8n-nodes-langchain.agent - Google Calendar Tool
n8n-nodes-base.googleCalendarTool - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - OpenAI
@n8n/n8n-nodes-langchain.openAi - Telegram Trigger
n8n-nodes-base.telegramTrigger - Merge
n8n-nodes-base.merge - Switch
n8n-nodes-base.switch - Edit Fields (Set)
n8n-nodes-base.set
From the author
The CA - Tele Assistant workflow is an intelligent Telegram bot designed to help you manage your Google Calendar effortlessly through natural language and voice commands. 💡 Why Use CA - Tele Assistant? - Hands-free calendar management: Manage your events via…