This workflow follows the Agent → Chat Trigger 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 →
{
"active": true,
"activeVersion": {
"updatedAt": "2025-12-04T15:34:51.095Z",
"createdAt": "2025-12-04T15:34:51.095Z",
"versionId": "b9e8ded8-fffa-4ef2-a9ba-db5d62ae072d",
"workflowId": "PHMh1x9Szb1GID8y",
"nodes": [
{
"parameters": {
"public": true,
"authentication": "n8nUserAuth",
"initialMessages": "Hi there! \ud83d\udc4b My name is Gwen. ",
"options": {
"allowFileUploads": true,
"inputPlaceholder": "How can I assist you today?",
"subtitle": "",
"title": "Gwen"
}
},
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"typeVersion": 1.1,
"position": [
0,
0
],
"id": "a5273931-8df9-49d2-948e-74dcdf86f5c1",
"name": "When chat message received",
"webhookId": "80aed180-8f50-4e78-b45f-947a15bf1782"
},
{
"parameters": {
"options": {
"systemMessage": "=Your name is Gwen and you're an assistant that can manage email, calendar events, and todo lists. You can summarize days using the calendar and todos available to you.\n\n# Rules\n\n- Do not assume, be accurate and truthful\n- Do not use a tool if you do not need to use it.\n- Confirm who you are talking to.\n- If there is no tool to handle the particular task, do not try to action on it. Send a message to identify the gap.\n- If you are receiving an error, output this error\n\n# Tasks\n\n**Providing an overview of a day or specific date**\n\n- Set the date of the request for the given date\n- Start your analysis at 00:01:00\n- End your analysis at 11:59:59\n- Use the \"Search Calendar\" to show me entries for my calendar\n- Show me todos that are due\n- Show me tasks that are due for that day.\n- If it is for today, show me todos that are also overdue.\n\n# Further context\n\nToday is {{ $now }}.",
"passthroughBinaryImages": true
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.9,
"position": [
220,
0
],
"id": "e01fa936-6c00-48bf-85fd-f063d7190f1c",
"name": "AI Agent"
},
{
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"position": [
100,
220
],
"id": "9a48389e-3856-43b4-ba8e-9488ef57283f",
"name": "OpenAI Chat Model",
"credentials": {
"openAiApi": {
"id": "ojJVqUWOFMKOOLeQ",
"name": "OpenAi account"
}
}
},
{
"parameters": {
"contextWindowLength": 10
},
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
260,
220
],
"id": "589a8be5-24ea-4b1f-b88a-5008776dd0d9",
"name": "Simple Memory"
},
{
"parameters": {
"authentication": "oAuth2",
"project": {
"__rl": true,
"value": "2218815165",
"mode": "list",
"cachedResultName": "Inbox"
},
"content": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Content', ``, 'string') }}",
"options": {}
},
"type": "n8n-nodes-base.todoistTool",
"typeVersion": 2.1,
"position": [
1120,
320
],
"id": "08a6de94-5d5d-4d59-bd61-4226c05b3a1e",
"name": "Create Todo",
"credentials": {
"todoistOAuth2Api": {
"id": "NJCKeLpADTG146Dn",
"name": "Todoist account"
}
}
},
{
"parameters": {
"authentication": "oAuth2",
"operation": "getAll",
"returnAll": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Return_All', ``, 'boolean') }}",
"filters": {}
},
"type": "n8n-nodes-base.todoistTool",
"typeVersion": 2.1,
"position": [
1240,
320
],
"id": "7c15b211-0c20-4e7f-baf2-6792a5171625",
"name": "Find Todos",
"credentials": {
"todoistOAuth2Api": {
"id": "NJCKeLpADTG146Dn",
"name": "Todoist account"
}
}
},
{
"parameters": {
"sseEndpoint": "https://automation.macapinlac.network/mcp/gmail-enhanced/sse",
"authentication": "bearerAuth"
},
"type": "@n8n/n8n-nodes-langchain.mcpClientTool",
"typeVersion": 1,
"position": [
740,
340
],
"id": "d355d51e-b3df-45ae-9dae-579edf1730b7",
"name": "Gmail MCP Server (Ritchie)",
"credentials": {
"httpBearerAuth": {
"id": "IN6rstRLarIMax0J",
"name": "MCP Bearer Auth"
}
}
},
{
"parameters": {
"sseEndpoint": "https://automation.macapinlac.network/mcp/google-calendar-mcp/sse",
"authentication": "bearerAuth"
},
"type": "@n8n/n8n-nodes-langchain.mcpClientTool",
"typeVersion": 1,
"position": [
560,
340
],
"id": "51b8e133-61a6-46e8-bdac-f386ecfa4ef2",
"name": "Google Calendar MCP (Ritchie)",
"credentials": {
"httpBearerAuth": {
"id": "IN6rstRLarIMax0J",
"name": "MCP Bearer Auth"
}
}
},
{
"parameters": {
"authentication": "oAuth2",
"operation": "update",
"taskId": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Task_ID', ``, 'string') }}",
"updateFields": {
"content": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Content', ``, 'string') }}"
}
},
"type": "n8n-nodes-base.todoistTool",
"typeVersion": 2.1,
"position": [
1000,
320
],
"id": "62efbd52-7c68-4117-b858-083ab89078cb",
"name": "Update Todo",
"credentials": {
"todoistOAuth2Api": {
"id": "NJCKeLpADTG146Dn",
"name": "Todoist account"
}
}
},
{
"parameters": {
"authentication": "oAuth2",
"operation": "delete",
"taskId": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Task_ID', ``, 'string') }}"
},
"type": "n8n-nodes-base.todoistTool",
"typeVersion": 2.1,
"position": [
1360,
320
],
"id": "f9817673-6996-45fb-9a35-b1d0d3f235a1",
"name": "Delete Todo",
"credentials": {
"todoistOAuth2Api": {
"id": "NJCKeLpADTG146Dn",
"name": "Todoist account"
}
}
}
],
"connections": {
"When chat message received": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Create Todo": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Find Todos": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Gmail MCP Server (Ritchie)": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Google Calendar MCP (Ritchie)": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Update Todo": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Delete Todo": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
}
},
"authors": "system migration",
"name": null,
"description": null
},
"activeVersionId": "b9e8ded8-fffa-4ef2-a9ba-db5d62ae072d",
"connections": {
"When chat message received": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Create Todo": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Find Todos": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Gmail MCP Server (Ritchie)": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Google Calendar MCP (Ritchie)": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Update Todo": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Delete Todo": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
}
},
"createdAt": "2025-05-04T15:05:21.237Z",
"id": "PHMh1x9Szb1GID8y",
"isArchived": false,
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Gwen",
"nodes": [
{
"parameters": {
"public": true,
"authentication": "n8nUserAuth",
"initialMessages": "Hi there! \ud83d\udc4b My name is Gwen. ",
"options": {
"allowFileUploads": true,
"inputPlaceholder": "How can I assist you today?",
"subtitle": "",
"title": "Gwen"
}
},
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"typeVersion": 1.1,
"position": [
0,
0
],
"id": "a5273931-8df9-49d2-948e-74dcdf86f5c1",
"name": "When chat message received"
},
{
"parameters": {
"options": {
"systemMessage": "=Your name is Gwen and you're an assistant that can manage email, calendar events, and todo lists. You can summarize days using the calendar and todos available to you.\n\n# Rules\n\n- Do not assume, be accurate and truthful\n- Do not use a tool if you do not need to use it.\n- Confirm who you are talking to.\n- If there is no tool to handle the particular task, do not try to action on it. Send a message to identify the gap.\n- If you are receiving an error, output this error\n\n# Tasks\n\n**Providing an overview of a day or specific date**\n\n- Set the date of the request for the given date\n- Start your analysis at 00:01:00\n- End your analysis at 11:59:59\n- Use the \"Search Calendar\" to show me entries for my calendar\n- Show me todos that are due\n- Show me tasks that are due for that day.\n- If it is for today, show me todos that are also overdue.\n\n# Further context\n\nToday is {{ $now }}.",
"passthroughBinaryImages": true
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.9,
"position": [
220,
0
],
"id": "e01fa936-6c00-48bf-85fd-f063d7190f1c",
"name": "AI Agent"
},
{
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"position": [
100,
220
],
"id": "9a48389e-3856-43b4-ba8e-9488ef57283f",
"name": "OpenAI Chat Model",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"contextWindowLength": 10
},
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
260,
220
],
"id": "589a8be5-24ea-4b1f-b88a-5008776dd0d9",
"name": "Simple Memory"
},
{
"parameters": {
"authentication": "oAuth2",
"project": {
"__rl": true,
"value": "2218815165",
"mode": "list",
"cachedResultName": "Inbox"
},
"content": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Content', ``, 'string') }}",
"options": {}
},
"type": "n8n-nodes-base.todoistTool",
"typeVersion": 2.1,
"position": [
1120,
320
],
"id": "08a6de94-5d5d-4d59-bd61-4226c05b3a1e",
"name": "Create Todo",
"credentials": {
"todoistOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"authentication": "oAuth2",
"operation": "getAll",
"returnAll": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Return_All', ``, 'boolean') }}",
"filters": {}
},
"type": "n8n-nodes-base.todoistTool",
"typeVersion": 2.1,
"position": [
1240,
320
],
"id": "7c15b211-0c20-4e7f-baf2-6792a5171625",
"name": "Find Todos",
"credentials": {
"todoistOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sseEndpoint": "https://automation.macapinlac.network/mcp/gmail-enhanced/sse",
"authentication": "bearerAuth"
},
"type": "@n8n/n8n-nodes-langchain.mcpClientTool",
"typeVersion": 1,
"position": [
740,
340
],
"id": "d355d51e-b3df-45ae-9dae-579edf1730b7",
"name": "Gmail MCP Server (Ritchie)",
"credentials": {
"httpBearerAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sseEndpoint": "https://automation.macapinlac.network/mcp/google-calendar-mcp/sse",
"authentication": "bearerAuth"
},
"type": "@n8n/n8n-nodes-langchain.mcpClientTool",
"typeVersion": 1,
"position": [
560,
340
],
"id": "51b8e133-61a6-46e8-bdac-f386ecfa4ef2",
"name": "Google Calendar MCP (Ritchie)",
"credentials": {
"httpBearerAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"authentication": "oAuth2",
"operation": "update",
"taskId": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Task_ID', ``, 'string') }}",
"updateFields": {
"content": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Content', ``, 'string') }}"
}
},
"type": "n8n-nodes-base.todoistTool",
"typeVersion": 2.1,
"position": [
1000,
320
],
"id": "62efbd52-7c68-4117-b858-083ab89078cb",
"name": "Update Todo",
"credentials": {
"todoistOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"authentication": "oAuth2",
"operation": "delete",
"taskId": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Task_ID', ``, 'string') }}"
},
"type": "n8n-nodes-base.todoistTool",
"typeVersion": 2.1,
"position": [
1360,
320
],
"id": "f9817673-6996-45fb-9a35-b1d0d3f235a1",
"name": "Delete Todo",
"credentials": {
"todoistOAuth2Api": {
"name": "<your credential>"
}
}
}
],
"settings": {
"executionOrder": "v1",
"callerPolicy": "workflowsFromSameOwner"
},
"shared": [
{
"updatedAt": "2025-05-04T15:05:21.242Z",
"createdAt": "2025-05-04T15:05:21.242Z",
"role": "workflow:owner",
"workflowId": "PHMh1x9Szb1GID8y",
"projectId": "rkuUtfbV4pRJvn4a"
}
],
"staticData": null,
"tags": [
{
"updatedAt": "2025-04-17T02:08:56.822Z",
"createdAt": "2025-04-17T02:08:56.822Z",
"id": "5sZvu3z47q8AvebH",
"name": "chat"
},
{
"updatedAt": "2024-10-21T01:31:06.740Z",
"createdAt": "2024-10-21T01:31:06.740Z",
"id": "IvxaDJAqZrWQAVKk",
"name": "production"
}
],
"triggerCount": 1,
"updatedAt": "2025-05-13T03:19:57.000Z",
"versionId": "b9e8ded8-fffa-4ef2-a9ba-db5d62ae072d"
}
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.
httpBearerAuthopenAiApitodoistOAuth2Api
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Gwen. Uses chatTrigger, agent, lmChatOpenAi, memoryBufferWindow. Chat trigger; 10 nodes.
Source: https://github.com/rsmacapinlac/n8n-backups/blob/09dece9d1bd8150e9f8e559b860201f7156d4710/workflows/Gwen.json — original creator credit. Request a take-down →
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