Floyd Mahou This workflow corresponds to n8n.io template #5368 — 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": "fHwbWAf8GLSPdLMe",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "TimePilot Agent",
"tags": [],
"nodes": [
{
"id": "62514198-2f29-4a99-8747-7e88054649bb",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-740,
560
],
"parameters": {
"model": "gpt-4-turbo-preview",
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "0a57b879-0e26-4221-a637-5496dc2e879f",
"name": "Success",
"type": "n8n-nodes-base.set",
"position": [
60,
340
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "39c2f302-03be-4464-a17a-d7cc481d6d44",
"name": "=response",
"type": "string",
"value": "={{$json.output}}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "be536969-ceb6-479a-9090-f2af61e51788",
"name": "Create Event",
"type": "n8n-nodes-base.googleCalendarTool",
"position": [
-500,
560
],
"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"
},
"descriptionType": "manual",
"toolDescription": "=Consume Google Calendar API",
"additionalFields": {
"summary": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Summary', ``, 'string') }}",
"attendees": []
}
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1.3
},
{
"id": "79bb24fa-7432-4099-8b4e-a4245b0994b7",
"name": "Delete Event",
"type": "n8n-nodes-base.googleCalendarTool",
"position": [
-380,
560
],
"parameters": {
"eventId": "={{ $fromAI(\"eventID\") }}",
"options": {
"sendUpdates": "all"
},
"calendar": {
"__rl": true,
"mode": "list",
"value": "user@example.com",
"cachedResultName": "user@example.com"
},
"operation": "delete",
"descriptionType": "manual"
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1.3
},
{
"id": "b48b62cd-0664-4be9-97ad-0894076b222b",
"name": "Update Event",
"type": "n8n-nodes-base.googleCalendarTool",
"position": [
-260,
560
],
"parameters": {
"eventId": "={{ $fromAI(\"eventID\") }}",
"calendar": {
"__rl": true,
"mode": "list",
"value": "user@example.com",
"cachedResultName": "user@example.com"
},
"operation": "update",
"updateFields": {
"end": "={{ $fromAI(\"endTime\") }}",
"start": "={{ $fromAI(\"startTime\") }}"
},
"descriptionType": "manual"
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1.3
},
{
"id": "2503b217-d803-48e4-bcab-35326ad6fbcd",
"name": "WhatsApp Trigger",
"type": "n8n-nodes-base.whatsAppTrigger",
"position": [
-960,
340
],
"parameters": {
"updates": [
"messages"
]
},
"credentials": {
"whatsAppTriggerApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "75ca98bd-87cd-4d33-ae93-0ce24fee9128",
"name": "WhatsApp Business Cloud",
"type": "n8n-nodes-base.whatsApp",
"position": [
280,
340
],
"parameters": {
"textBody": "={{ $json.response }}",
"operation": "send",
"phoneNumberId": "={{ $('WhatsApp Trigger').item.json.metadata.phone_number_id }}",
"additionalFields": {},
"recipientPhoneNumber": "ENTER YOUR PHONE NUMBER HERE"
},
"credentials": {
"whatsAppApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "a07c2c51-ceed-4243-85c4-5f027dc01692",
"name": "Search Event",
"type": "n8n-nodes-base.googleCalendarTool",
"position": [
-140,
560
],
"parameters": {
"limit": "={{ $fromAI('Limit', ``, 'number') }}",
"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",
"descriptionType": "manual"
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1.3
},
{
"id": "c38e2b8f-eb9f-49c7-87db-81dc322ab90b",
"name": "Simple Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-620,
560
],
"parameters": {
"sessionKey": "={{ $('WhatsApp Trigger').item.json.messages[0].type }}",
"sessionIdType": "customKey"
},
"typeVersion": 1.3
},
{
"id": "43bfc3ce-e5b0-407d-b556-e1bbdc78a178",
"name": "TimePilot",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-528,
340
],
"parameters": {
"text": "={{ $json.messages[0].text.body }}",
"options": {
"systemMessage": "=# Overview \nYou are a personal AI assistant that manages *your own calendar* through WhatsApp messages. You must always trigger the correct module corresponding to the requested action (create, update, search, delete). No assumptions or shortcuts\u2014only execute via the designated modules.\n\n## Context \n- You are the only user of this system. \n- All requests come from WhatsApp and responses must be sent via WhatsApp. \n- You use Google Calendar modules to perform every action and confirm completion. \n- You understand both French and English. \n- Your tone is neutral, fast, and action-focused. \n\n## Instructions \n1. Always check if the input contains a clear calendar-related request. \n2. If the message is a greeting or polite phrase (e.g., \"Hi\", \"Thanks\", \"Hello\"), reply briefly and kindly. \n3. Always route tasks through the correct module:\n - Always Use **Search Event** to:\n - List all upcoming meetings.\n - Show availability.\n - Retrieve a specific event before updating or deleting it.\n -Always Use **Create Event with Attendee** to create any new event (even without participants).\n - Always Use **Update Event** only after retrieving the target event with **Search Event**.\n - Always Use **Delete Event** only after retrieving the event with **Search Event**.\n4. Never perform any action without using the appropriate module. \n5. If information is missing (like time or participants), ask one short, targeted follow-up question. \n6. Always confirm the completed action with a short message via WhatsApp. \n7. If the input is unclear, ask for clarification. Never guess. \n8. Never explain your steps or how you operate. Just act. \n\n## Tools \n- Search Event (availability/meeting schedule:calendar) \n- Create Event with Attendee (create:event) \n- Update Event (update:event) \n- Delete Event (delete:event) \n\n## Examples \n- Input: \"Yo\" \n - Output: \"Hi! What would you like to do with your calendar?\" \n- Input: \"Add a call tomorrow at 9am with Julien\" \n - Modules: Create Event with Attendee \n - Output: \"Call with Julien added tomorrow at 9am.\" \n- Input: \"What meetings do I have Friday?\" \n - Modules: Search Event \n - Output: \"On Friday you have: 10am 'Budget Review' with Claire, 3pm 'Product Sync' with Marc.\" \n- Input: \"List my meetings this week\" \n - Modules: Search Event \n - Output: \"Here are your meetings this week: Monday 10am with Hugo, Wednesday 2pm with Ana...\" \n- Input: \"Delete the HR sync tomorrow\" \n - Modules: Search Event \u2192 Delete Event \n - Output: \"Done. The HR sync for tomorrow has been deleted.\" \n- Input: \"Thanks\" \n - Output: \"You're welcome!\" \n- Input: \"Move the 2pm meeting to 4pm\" \n - Modules: Search Event \u2192 Update Event \n - Output: \"The meeting has been moved to 4pm.\" \n- Input: \"Create a \u2018Sprint Review\u2019 meeting tomorrow at 11am with Lisa and Karim\" \n - Modules: Create Event with Attendee \n - Output: \"\u2018Sprint Review\u2019 meeting created tomorrow at 11am with Lisa and Karim.\" \n\n## SOP (Standard Operating Procedure) \n1. Read the WhatsApp message. \n2. Identify the intent:\n - View meetings: use \"Search Event\"\n - Create meeting: use \"Create Event with Attendee\"\n - Update meeting: use \"Search Event\" \u2192 \"Update Event\"\n - Delete meeting: use \"Search Event\" \u2192 \"Delete Event\"\n3. Always use the correct module\u2014no exceptions. \n4. Send a short confirmation message via WhatsApp. \n5. If data is missing, ask a concise follow-up question. \n\n## Final Notes \n- You are the only user. \n- Never handle any action without triggering the corresponding module. \n- All confirmations are sent in real-time via WhatsApp. \n- Default meeting duration is one hour. \n\nCurrent time is {{ $now.format('yyyy-MM-dd') }} \nTime zone: Paris/Europe "
},
"promptType": "define"
},
"typeVersion": 1.8
},
{
"id": "c9ff64ad-d3ec-40f8-af60-9ae1f739148d",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1020,
20
],
"parameters": {
"color": 4,
"width": 220,
"height": 700,
"content": "## \ud83d\udfe9 Block 1 \u2013 WhatsApp Trigger\n\nPurpose: Entry point of the workflow.\nIt triggers the automation when a message is received via WhatsApp.\n\ud83d\udce5 User Input = A WhatsApp message (e.g. \u201cWhat\u2019s my schedule today?\u201d)\n"
},
"typeVersion": 1
},
{
"id": "c4a4972c-bf6f-4c7e-b4c3-ef44479989de",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-780,
20
],
"parameters": {
"color": 5,
"width": 800,
"height": 700,
"content": "## \ud83d\udfe6 Block 2 \u2013 TimePilot (Tools Agent)\nPurpose: The brain of the system.\nThis is the main AI agent that receives the message, interprets it using GPT, and decides what calendar action to trigger.\n\n\ud83d\udd01 It connects with:\nOpenAI Chat Model \u2192 to understand natural language\nSimple Memory \u2192 to retain conversation context\nCalendar Modules \u2192 to take the proper action (create, delete, update\u2026)"
},
"typeVersion": 1
},
{
"id": "34cc21ed-6dbb-4625-b5df-126def225d18",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
40,
20
],
"parameters": {
"color": 6,
"width": 440,
"height": 700,
"content": "## \ud83d\udfea Part 3 \u2013 Output & Confirmation\n\u2705 Success (manual)\nPurpose: Triggered when everything runs smoothly.\nPrepares a success message based on the operation performed.\n\n\ud83d\udcac WhatsApp Business Cloud \u2013 message:send\nPurpose: Sends the final response to the user directly on WhatsApp.\n\n\n"
},
"typeVersion": 1
},
{
"id": "d725e087-45d0-48eb-bbbe-3d7bed5bd9a3",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
520,
20
],
"parameters": {
"width": 540,
"height": 1360,
"content": "## \ud83d\udee0\ufe0f How to use TimePilot Agent (WhatsApp Calendar Assistant)\n\n\u2705 Prerequisites\n-WhatsApp Business Cloud account\n-Google Calendar connected in n8n\n-OpenAI API Key (GPT-4 or GPT-3.5)\n-A verified phone number in Meta Developer Portal\n-Meta App created and approved (for messages access)\n-n8n running with a webhook accessible from Meta\n-TimePilot Workflow imported into n8n\n\n\ud83e\udde9 STEP 1 \u2013 Create a Meta App\nGo to https://developers.facebook.com/apps\n\nClick Create App \u2192 Type: Business\nAdd WhatsApp Product\nAdd your verified phone number\nSave your Phone Number ID and WhatsApp Business Account ID\n\n\ud83d\udd11 STEP 2 \u2013 Add WhatsApp Product\nIn your Meta App \u2192 Add product \u2192 Select WhatsApp\n\nGenerate a test token or configure permanent access token\nNote your Access Token, and Business Account ID\n\n\ud83d\udd01 STEP 3 \u2013 Configure Webhook (n8n)\nCopy your n8n webhook URL (e.g. https://yourn8n.com/webhook/timepilot)\n\nIn Meta Dashboard \u2192 WhatsApp \u2192 Webhooks\nAdd webhook \u2192 Paste your n8n webhook URL\nSubscribe to the following fields:\n\n-management\n-messaging\n\n\ud83d\udd10 STEP 4 \u2013 Setup Token in n8n Credentials\nGo to n8n \u2192 Credentials \u2192 HTTP Basic Auth / OAuth2 / Bearer YOUR_TOKEN_HERE\n\nAdd Meta API Token for WhatsApp module\nAdd Google Calendar OAuth2 credential\n\n\ud83e\udde0 STEP 5 \u2013 Add OpenAI API Key\nGo to n8n \u2192 Credentials \u2192 OpenAI\n\nPaste your API key\nChoose GPT-3.5 or GPT-4\n\n\ud83e\uddf1 STEP 6 \u2013 Modules connected in the TimePilot Agent\n\ud83d\udcc5 Create Event \u2192 Handles creation of new Google Calendar events\n\n\u270f\ufe0f Update Event \u2192 Changes existing events (title, time, etc.)\n\n\ud83d\uddd1 Delete Event \u2192 Removes an event\n\n\ud83d\udd0d Search Event \u2192 Checks availability or lists upcoming events\n\n\ud83d\udcac WhatsApp Cloud \u2192 Sends reply with confirmation or schedule\n\n\ud83e\udd16 OpenAI Chat Model \u2192 Interprets the user\u2019s message\n\n\ud83e\udde0 Memory (optional) \u2192 Maintains past request context\n\n\ud83e\uddea STEP 7 \u2013 Test It!\nSend a message via WhatsApp to your connected number:\n\n\u201cCreate a meeting with Anna at 4pm tomorrow\u201d\n\nn8n will process the request and return:\n\n\u201c\u2705 Your event has been created.\u201d"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "bcfa59a6-adca-467a-b6db-0e522f36e2b1",
"connections": {
"Success": {
"main": [
[
{
"node": "WhatsApp Business Cloud",
"type": "main",
"index": 0
}
]
]
},
"TimePilot": {
"main": [
[
{
"node": "Success",
"type": "main",
"index": 0
}
]
]
},
"Create Event": {
"ai_tool": [
[
{
"node": "TimePilot",
"type": "ai_tool",
"index": 0
}
]
]
},
"Delete Event": {
"ai_tool": [
[
{
"node": "TimePilot",
"type": "ai_tool",
"index": 0
}
]
]
},
"Search Event": {
"ai_tool": [
[
{
"node": "TimePilot",
"type": "ai_tool",
"index": 0
}
]
]
},
"Update Event": {
"ai_tool": [
[
{
"node": "TimePilot",
"type": "ai_tool",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "TimePilot",
"type": "ai_memory",
"index": 0
}
]
]
},
"WhatsApp Trigger": {
"main": [
[
{
"node": "TimePilot",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "TimePilot",
"type": "ai_languageModel",
"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.
googleCalendarOAuth2ApiopenAiApiwhatsAppApiwhatsAppTriggerApi
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About this workflow
How it works • Allows users to manage their Google Calendar via WhatsApp using natural language • Handles event creation, updates, deletions, availability checks, and agenda overviews • AI agent interprets the user’s message and triggers the appropriate calendar action •…
Source: https://n8n.io/workflows/5368/ — original creator credit. Request a take-down →
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