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Personal assistant for calendar & tasks with GPT-4o-mini and Telegram

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Personal assistant for calendar & tasks with GPT-4o-mini and Telegram preview
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Important notice

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

1. Workflow Overview

Meet Troy , your intelligent personal assistant that seamlessly manages your Google Calendar and Tasks through Telegram. This workflow combines AI powered natural language processing with MCP (Mode...

Best for

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

Tools used

@n8n/n8n-nodes-langchain.mcptrigger, n8n-nodes-base.googlecalendartool, n8n-nodes-base.googletaskstool, n8n-nodes-base.stickynote, n8n-nodes-base.httprequesttool, @n8n/n8n-nodes-langchain.lmchatopenai, n8n-nodes-base.telegramtrigger, @n8n/n8n-nodes-langchain.agent

Source and attribution

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

Original n8n.io source

1.1 Workflow description

Title
Personal assistant for calendar & tasks with GPT-4o-mini and Telegram
Workflow name
Personal assistant for calendar & tasks with GPT-4o-mini and Telegram

Meet Troy, your intelligent personal assistant that seamlessly manages your Google Calendar and Tasks through Telegram. This workflow combines AI-powered natural language processing with MCP (Model Context Protocol) integration to provide a conversational interface for scheduling meetings, managing tasks, and organizing your digital life. Key Features

đź“… Smart Calendar Management

Create single and recurring events with conflict detection Support for multiple attendees (1-2 attendee variants) Automatic time zone handling (Bangladesh Standard Time) Weekly recurring event scheduling Event retrieval, updates, and deletion

âś… Task Management

Create, update, and delete tasks in Google Tasks Mark tasks as completed Retrieve task lists with completion status Task repositioning and organization Parent-child task relationships

🤖Intelligent Processing

Natural language understanding for scheduling requests Automatic conflict detection before event creation Context-aware responses with conversation memory Error handling with fallback messages

📱 Telegram Interface

Real-time chat interaction Simple commands and natural language Instant confirmations and updates Error notifications

Workflow Components

Core Architecture:

Telegram Trigger for user messages AI Agent with GPT-4o-mini processing MCP Client Tools for Google services Conversation memory for context Error handling with backup responses

MCP Integrations:

Google Calendar MCP Server (6 specialized tools) Google Tasks MCP Server (5 task operations) Custom HTTP tool for advanced task positioning

Use Cases

Calendar Scenarios:

"Schedule a meeting tomorrow at 3 PM with [email protected]" "Set up weekly team standup every Monday at 10 AM" "Check my calendar for conflicts this afternoon" "Delete the meeting with ID xyz123"

Task Management:

"Add a task to buy groceries" "Mark the project report task as completed" "Update my presentation task due date to Friday" "Show me all pending tasks"

Setup Requirements

Required Credentials:

Google Calendar OAuth2 Google Tasks OAuth2 OpenAI API key Telegram Bot token ** MCP Configuration:**

Two MCP server endpoints for Google services Proper webhook configurations SSL-enabled n8n instance for MCP triggers

Business Benefits

Productivity: Voice-to-action task and calendar management **Efficiency: **Eliminate app switching with chat interface Intelligence: AI prevents scheduling conflicts automatically Accessibility: Simple Telegram commands for complex operations

Technical Specifications

Components:

1 Telegram trigger 1 AI Agent with memory 2 MCP triggers (Calendar & Tasks) 13 Google service tools Error handling flows

Response Time: Sub-second for most operations **Memory: **Session-based conversation context Timezone: Automatic Bangladesh Standard Time conversion

This personal assistant transforms how you interact with Google services, making scheduling and task management as simple as sending a text message to Troy on Telegram. Tags: personal-assistant, mcp-integration, google-calendar, google-tasks, telegram-bot, ai-agent, productivity

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 - MCP Server Trigger

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

Block 2 - Create an Event in Google Calendar with 1 Attendee

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

Block 3 - Create an Event in Google Calendar with 2 Attendees

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

Block 4 - Delete an event Google Calendar

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

Block 5 - Create a weekly recurrent event Event

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

Block 6 - complete_task

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

Block 7 - Sticky Note1

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

Block 8 - update tasks

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

Block 9 - create_task

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

Block 10 - get_tasks

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

Block 11 - delete task

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

Block 12 - move_task_position

Type / Role
n8n-nodes-base.httpRequestTool - httpRequestTool
Config choices
Version 4.2

Block 13 - Sticky Note

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

Block 14 - MCP Server Trigger1

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

Block 15 - OpenAI Chat Model

Type / Role
@n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices
Version 1.2

Block 16 - Telegram Trigger

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

Block 17 - AI Agent

Type / Role
@n8n/n8n-nodes-langchain.agent - agent
Config choices
Version 1.9

Block 18 - Google Tasks MCP

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

Block 19 - Google Calender MCP

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

Block 20 - Simple Memory

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

Block 21 - Sticky Note2

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

Block 22 - Sticky Note3

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

Block 23 - Send Error Message

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

Block 24 - Send Message

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

Showing the first 24 of 26 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow Personal assistant for calendar & tasks with GPT-4o-mini and Telegram
Complexity advanced
Nodes 26
Categories Personal Productivity, AI Chatbot
Author Khair Ahammed
Published 02 Sept 2025

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/8197/8197.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 Personal assistant for calendar & tasks with GPT-4o-mini and Telegram do?

Meet Troy , your intelligent personal assistant that seamlessly manages your Google Calendar and Tasks through Telegram. This workflow combines AI powered natural language processing with MCP (Mode...

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.