Voice & text assistant with Telegram, Gemini AI, Calendar, Gmail & Notion

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Important notice

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

1. Workflow Overview

This n8n template demonstrates how to turn a Telegram bot into a personal AI powered assistant that understands both voice notes and text messages. The assistant can transcribe speech, interpret us...

Best for

Personal Productivity automation workflows
AI Chatbot automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.telegramtrigger, @n8n/n8n-nodes-langchain.agent, n8n-nodes-base.gmailtool, @n8n/n8n-nodes-langchain.memorybufferwindow, @n8n/n8n-nodes-langchain.lmchatgooglegemini, n8n-nodes-base.telegram, n8n-nodes-base.if, @n8n/n8n-nodes-langchain.googlegemini

Source and attribution

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

Original n8n.io source

1.1 Workflow description

Title: Voice & text assistant with Telegram, Gemini AI, Calendar, Gmail & Notion
Workflow name: Voice & text assistant with Telegram, Gemini AI, Calendar, Gmail & Notion

This n8n template demonstrates how to turn a Telegram bot into a personal AI-powered assistant that understands both voice notes and text messages. The assistant can transcribe speech, interpret user intent with AI, and perform smart actions such as managing calendars, sending emails, or creating notes.

Use cases

Hands-free scheduling with Google Calendar
Quickly capturing ideas as Notion notes via voice
Sending Gmail messages directly from Telegram
A personal productivity assistant available on-the-go

Good to know

Voice notes are automatically transcribed into text before being processed. This template uses Google Gemini for AI reasoning.The AI agent supports memory, enabling more natural and contextual conversations.

How it works

Telegram Trigger – Starts when you send a text or voice note to your Telegram bot.
Account Check – Ensures only authorized users can interact with the bot.
Audio Handling – If it’s a voice message, the workflow retrieves and transcribes the recording.
AI Agent – Both transcribed voice or text are sent to the AI Agent powered by Google Gemini + Simple Memory.
Smart Actions – Based on the query, the AI can:
Read or create events in Google Calendar
Create notes in Notion
Send messages in Gmail
Reply in Telegram – The bot sends a response confirming the action or providing the requested information.

How to use

Clone this workflow into your n8n instance.
Replace the Telegram Trigger with your bot credentials.
Connect Google Calendar, Notion, and Gmail accounts where required.
Start chatting with your Telegram bot to add events, notes, or send emails using just your voice or text.

Requirements

Telegram bot & API key
Google Gemini account for AI
Google Calendar, Notion, and Gmail integrations (optional, depending on use case)

Customising this workflow

Add more integrations (Slack, Trello, Airtable, etc.) for extended productivity. Modify the AI prompt in the agent node to fine-tune personality or task focus. Swap in another transcription service if preferred.

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 - Telegram Trigger

Type / Role: n8n-nodes-base.telegramTrigger - telegramTrigger
Config choices: Version 1.2

Block 2 - AI Agent

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

Block 3 - Send a message in Gmail

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

Block 4 - Simple Memory

Type / Role: @n8n/n8n-nodes-langchain.memoryBufferWindow - memoryBufferWindow
Config choices: Version 1.3

Block 5 - Google Gemini Chat Model

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

Block 6 - Send a text message

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 7 - Check If Audio file

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 8 - Transcribe a recording

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

Block 9 - Get a file

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 10 - Create an event in Google Calendar

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

Block 11 - Read event in Google Calendar

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

Block 12 - Create notes in Notion

Type / Role: n8n-nodes-base.notionTool - notionTool
Config choices: Version 2.2

Block 13 - Sticky Note

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

Block 14 - Account Check

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

Block 15 - Sticky Note1

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

Block 16 - Sticky Note2

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

Block 17 - Sticky Note3

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

3. Summary Table

Workflow	Voice & text assistant with Telegram, Gemini AI, Calendar, Gmail & Notion
Complexity	advanced
Nodes	17
Categories	Personal Productivity, AI Chatbot
Author	Paul Abraham
Published	16 Sept 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/8648/8648.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

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

Download workflow JSON Original n8n.io source Personal Productivity workflows AI Chatbot workflows

Frequently asked questions

What does Voice & text assistant with Telegram, Gemini AI, Calendar, Gmail & Notion do?

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 Personal Productivity, AI Chatbot use case.

Paul Abraham

11 workflows

Nodes

n8n-nodes-base.telegramtrigger @n8n/n8n-nodes-langchain.agent n8n-nodes-base.gmailtool @n8n/n8n-nodes-langchain.memorybufferwindow @n8n/n8n-nodes-langchain.lmchatgooglegemini n8n-nodes-base.telegram n8n-nodes-base.if @n8n/n8n-nodes-langchain.googlegemini

Complexity

advanced

Published 16 Sept 2025

Likes 0

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Install path: /data/workflows/8648/8648.json

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Voice & text assistant with Telegram, Gemini AI, Calendar, Gmail & Notion

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

How it works

How to use

Requirements

Customising this workflow

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Telegram Trigger

Block 2 - AI Agent

Block 3 - Send a message in Gmail

Block 4 - Simple Memory

Block 5 - Google Gemini Chat Model

Block 6 - Send a text message

Block 7 - Check If Audio file

Block 8 - Transcribe a recording

Block 9 - Get a file

Block 10 - Create an event in Google Calendar

Block 11 - Read event in Google Calendar

Block 12 - Create notes in Notion

Block 13 - Sticky Note

Block 14 - Account Check

Block 15 - Sticky Note1

Block 16 - Sticky Note2

Block 17 - Sticky Note3

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions