M Sayed This workflow corresponds to n8n.io template #6065 — we link there as the canonical source.
This workflow follows the Agent → Google Calendar Tool recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "rvfxD45r5unDVTlq",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "MS_CALENDAR",
"tags": [],
"nodes": [
{
"id": "598b3faf-c19d-47a8-9f01-fc0238194336",
"name": "Telegram Trigger",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-100,
0
],
"parameters": {
"updates": [
"message"
],
"additionalFields": {
"chatIds": "={{ $vars.telegram_chat_id }}"
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "9c0699ec-4e49-4621-bd56-10b043bd66cf",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
400,
0
],
"parameters": {
"text": "=You are an EVENT BOT. Your only goal is to extract calendar details from the user\u2019s text and call the correct Google Calendar tool. You must not reply directly to the user; only tool calls are allowed.\n\nYou will follow this sequence of rules:\n\n1. **Parse and Normalize:**\n * First, parse the incoming text to find the event title, date, and a start time.\n * Normalize dates to `YYYY-MM-DD` format (the current year is 2025).\n * Normalize times to 24-hour `HH:MM:SS` format.\n\n2. **Determine Duration:**\n * If a start time is present, the event duration is exactly **1 hour**. The `end` time is `start` + 1 hour.\n * If NO start time is present, the event is **all-day**. The `start` time is `YYYY-MM-DDT00:00:00` and the `end` time is `YYYY-MM-DDT23:59:59`.\n\n3. **Perform Conflict Check (MANDATORY):**\n * Using the calculated start and end times, you MUST first call the **`Get`** tool to check for existing events in that window.\n * If the `Get` tool returns ANY event (meaning there is an overlap), you MUST STOP and immediately call the **`Explain`** tool. Your message for the `Explain` tool must only ask for a new time or date due to a conflict.\n\n4. **Create the Event:**\n * If the `Get` tool returns no events (the time slot is free), you MUST then call the **`Create`** tool using the extracted title and the normalized `start` and `end` times.\n\n\n** Now:**\n\n{{ $now }}\n\n** User Input:**\n\n{{ $json.message.text }}\n\n**Examples of Logic:**\n\n* **User says:** \u201c\u0636\u064a\u0641 \u0645\u064a\u0639\u0627\u062f \u0627\u0633\u062a\u0644\u0627\u0645 \u0634\u0647\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u062e\u0631\u062c \u0645\u0646 \u0627\u0644\u0643\u0644\u064a\u0629 \u064a\u0648\u0645 \u0661\u0667 \u0634\u0647\u0631 \u0667 \u0627\u0644\u0633\u0627\u0639\u0647 \u0669 \u0635\u0628\u0627\u062d\u0627\u064b\u201d\n * **Your logic:** Calculate `start` as `2025-07-17T09:00:00` and `end` as `2025-07-17T10:00:00`. Call `Get` with this window. If it's free, call `Create` with the title \u201c\u0645\u064a\u0639\u0627\u062f \u0627\u0633\u062a\u0644\u0627\u0645 \u0634\u0647\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u062e\u0631\u062c \u0645\u0646 \u0627\u0644\u0643\u0644\u064a\u0629\u201d and the calculated times. If it's not free, call `Explain` to ask for a new time.\n\n* **User says:** \u201c\u0630\u0643\u0631\u0646\u064a \u0628\u062a\u062c\u062f\u064a\u062f \u0627\u0644\u0628\u0627\u0633\u0628\u0648\u0631 \u064a\u0648\u0645 \u0662\u0660 \u0623\u063a\u0633\u0637\u0633\u201d\n * **Your logic:** Calculate `start` as `2025-08-20T00:00:00` and `end` as `2025-08-20T23:59:59`. Call `Get` with this window. If the day has conflicting all-day events, call `Explain`. Otherwise, call `Create` with the title \u201c\u062a\u062c\u062f\u064a\u062f \u0627\u0644\u0628\u0627\u0633\u0628\u0648\u0631\u201d as an all-day event.\n\n",
"options": {},
"promptType": "define",
"needsFallback": true
},
"typeVersion": 2
},
{
"id": "c9ac882c-d8ed-4d92-831e-b11bc739a76a",
"name": "4.1-nano",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
280,
300
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4.1-mini",
"cachedResultName": "gpt-4.1-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "41da20c9-da77-4908-9c55-dddecd1dc729",
"name": "Create",
"type": "n8n-nodes-base.googleCalendarTool",
"notes": "Use this to create a new calendar event. Requires a title, start time, and end time.",
"position": [
680,
300
],
"parameters": {
"end": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('End', ``, 'string') }}",
"start": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Start', ``, 'string') }}",
"calendar": {
"__rl": true,
"mode": "list",
"value": "user@example.com",
"cachedResultName": "user@example.com"
},
"additionalFields": {
"description": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Description', ``, 'string') }}"
}
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"notesInFlow": false,
"typeVersion": 1.3
},
{
"id": "689186fa-2988-448d-b1c3-279b7b915ecf",
"name": "Get",
"type": "n8n-nodes-base.googleCalendarTool",
"notes": "Use this to get a list of all existing events within a specific time range.",
"position": [
800,
300
],
"parameters": {
"options": {},
"timeMax": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Before', ``, 'string') }}",
"timeMin": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('After', ``, 'string') }}",
"calendar": {
"__rl": true,
"mode": "list",
"value": "user@example.com",
"cachedResultName": "user@example.com"
},
"operation": "getAll",
"returnAll": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Return_All', ``, 'boolean') }}"
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"notesInFlow": false,
"typeVersion": 1.3
},
{
"id": "dafaa597-44fa-4b4e-8989-51eea390a044",
"name": "Explain",
"type": "n8n-nodes-base.telegramTool",
"notes": "Use this ONLY to ask the user a clarifying question if you cannot create or get an event",
"position": [
560,
300
],
"parameters": {
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"message": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Message', ``, 'string') }}",
"options": {
"limitWaitTime": {
"values": {
"resumeUnit": "minutes",
"resumeAmount": 45
}
}
},
"operation": "sendAndWait",
"responseType": "freeText"
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"notesInFlow": false,
"typeVersion": 1.2
},
{
"id": "c7d89753-637c-4bff-9cdd-d972fbdfd0a3",
"name": "Haiku 3.5",
"type": "@n8n/n8n-nodes-langchain.lmChatAnthropic",
"position": [
140,
300
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "claude-3-5-haiku-20241022",
"cachedResultName": "Claude Haiku 3.5"
},
"options": {}
},
"credentials": {
"anthropicApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.3
},
{
"id": "b5ad1910-83f0-4673-9ea5-48b720134a7c",
"name": "Result",
"type": "n8n-nodes-base.telegram",
"position": [
1120,
0
],
"parameters": {
"text": "=Done\n---\n{{ $json.output }}",
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "6e233d78-ded3-4aeb-aa62-92739976ca9b",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
60,
160
],
"parameters": {
"color": 3,
"width": 380,
"height": 300,
"content": "## LLMs\nBase + Fallback"
},
"typeVersion": 1
},
{
"id": "6278fa4a-d1a9-42c3-9eb2-6e014906340e",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
500,
160
],
"parameters": {
"width": 420,
"height": 300,
"content": "## Tools\n- Explain: extra info is required\n- Get: check events on specified period\n- Create: adds an event"
},
"typeVersion": 1
},
{
"id": "2b442fd4-7620-43eb-a6bc-32a52f08fdd9",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1020,
-80
],
"parameters": {
"color": 6,
"width": 320,
"height": 260,
"content": "## Send Result\n- Send result on same telegram chat"
},
"typeVersion": 1
}
],
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "d0b4f99d-d8dc-4bee-b14b-91ca97750066",
"connections": {
"Get": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Create": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Explain": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"4.1-nano": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 1
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Result",
"type": "main",
"index": 0
}
]
]
},
"Haiku 3.5": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Telegram Trigger": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
anthropicApigoogleCalendarOAuth2ApiopenAiApitelegramApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
💬 Conversational Calendar Bot for Telegram This workflow creates an AI chatbot on Telegram that intelligently manages your Google Calendar using natural language. It even checks for conflicts before scheduling!
Source: https://n8n.io/workflows/6065/ — original creator credit. Request a take-down →
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