This workflow follows the Gmail → Gmail 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 →
{
"name": "Toastmasters Email Auto-Responder",
"nodes": [
{
"parameters": {
"pollTimes": {
"item": [
{
"mode": "everyMinutes",
"value": 2
}
]
},
"simple": false
},
"id": "a1b2c3d4-0001-4000-8000-000000000001",
"name": "Gmail Trigger",
"type": "n8n-nodes-base.gmailTrigger",
"typeVersion": 1,
"position": [
240,
460
],
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"functionCode": "// Extract key fields from the incoming Gmail message\nconst message = items[0].json;\n\nconst from = message.payload?.headers?.find(h => h.name === 'From')?.value || '';\nconst subject = message.payload?.headers?.find(h => h.name === 'Subject')?.value || '';\nconst messageId = message.id || '';\nconst threadId = message.threadId || '';\nconst timestamp = new Date(parseInt(message.internalDate)).toISOString();\n\n// Use snippet as the body text (plain-text preview)\nconst body = message.snippet || '';\n\nreturn [\n {\n json: {\n from,\n subject,\n body,\n threadId,\n messageId,\n timestamp\n }\n }\n];\n"
},
"id": "a1b2c3d4-0001-4000-8000-000000000002",
"name": "Extract Email",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
480,
460
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.anthropic.com/v1/messages",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "anthropic-version",
"value": "2023-06-01"
},
{
"name": "anthropic-beta",
"value": "prompt-caching-2024-07-31"
},
{
"name": "x-api-key",
"value": "={{$credentials.httpHeaderAuth.value}}"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"model\": \"claude-haiku-4-5-20251001\",\n \"max_tokens\": 500,\n \"temperature\": 0.3,\n \"system\": [{\"type\": \"text\", \"text\": \"SYSTEM_PROMPT_PLACEHOLDER\", \"cache_control\": {\"type\": \"ephemeral\"}}],\n \"messages\": [\n {\n \"role\": \"user\",\n \"content\": \"From: {{ $json.from }}\\nSubject: {{ $json.subject }}\\n\\n{{ $json.body }}\"\n }\n ]\n}",
"options": {
"response": {
"response": {
"responseFormat": "json"
}
}
}
},
"id": "a1b2c3d4-0001-4000-8000-000000000003",
"name": "Claude API",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [
720,
460
],
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"functionCode": "// Parse Claude's response, splitting on ---REPLY--- and ---META--- markers\nconst content = items[0].json.content;\nconst text = Array.isArray(content)\n ? content.map(c => c.text).join('')\n : (typeof content === 'string' ? content : '');\n\nconst previous = items[0].json;\n\nlet replyText = text;\nlet action = 'reply_only';\nlet meta = {};\n\n// Split on markers\nconst replyMatch = text.split('---REPLY---');\nif (replyMatch.length > 1) {\n replyText = replyMatch[1];\n}\n\nconst metaMatch = text.split('---META---');\nif (metaMatch.length > 1) {\n const metaRaw = metaMatch[1].trim();\n // Trim replyText to remove everything after ---META---\n replyText = replyText.split('---META---')[0].trim();\n try {\n meta = JSON.parse(metaRaw);\n action = meta.action || 'reply_only';\n } catch (e) {\n // If JSON parse fails, default to reply_only\n action = 'reply_only';\n }\n}\n\n// Carry forward the original email fields from the upstream node\nreturn [\n {\n json: {\n replyText,\n action,\n meta,\n from: $('Extract Email').first().json.from,\n subject: $('Extract Email').first().json.subject,\n body: $('Extract Email').first().json.body,\n threadId: $('Extract Email').first().json.threadId,\n messageId: $('Extract Email').first().json.messageId,\n timestamp: $('Extract Email').first().json.timestamp\n }\n }\n];\n"
},
"id": "a1b2c3d4-0001-4000-8000-000000000004",
"name": "Parse Response",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
960,
460
]
},
{
"parameters": {
"rules": {
"rules": [
{
"value": "rsvp",
"output": 0
},
{
"value": "escalate",
"output": 1
},
{
"value": "reply_only",
"output": 2
}
]
},
"fallbackOutput": 2,
"dataType": "string",
"value1": "={{ $json.action }}"
},
"id": "a1b2c3d4-0001-4000-8000-000000000005",
"name": "Route Action",
"type": "n8n-nodes-base.switch",
"typeVersion": 2,
"position": [
1200,
460
]
},
{
"parameters": {
"sendTo": "={{ $json.from }}",
"subject": "=Re: {{ $json.subject }}",
"message": "={{ $json.replyText }}",
"options": {
"threadId": "={{ $json.threadId }}"
}
},
"id": "a1b2c3d4-0001-4000-8000-000000000006",
"name": "Send Reply",
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
1500,
660
],
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"calendarId": "primary",
"eventId": "={{ $json.meta.eventId }}",
"additionalFields": {
"attendees": "={{ $json.from }}"
},
"operation": "update"
},
"id": "a1b2c3d4-0001-4000-8000-000000000007",
"name": "Add RSVP",
"type": "n8n-nodes-base.googleCalendar",
"typeVersion": 1.1,
"position": [
1500,
260
],
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sendTo": "={{ $json.from }}",
"subject": "=Re: {{ $json.subject }}",
"message": "={{ $json.replyText }}",
"options": {
"threadId": "={{ $json.threadId }}"
}
},
"id": "a1b2c3d4-0001-4000-8000-000000000008",
"name": "RSVP Reply",
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
1740,
260
],
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sendTo": "oporto.toastmasters.club@gmail.com",
"subject": "=[AUTO-ESCALATED] {{ $json.subject }}",
"message": "=This email was auto-escalated by the ClubDesk bot.\n\n--- Original Message ---\nFrom: {{ $json.from }}\nSubject: {{ $json.subject }}\n\n{{ $json.body }}",
"options": {}
},
"id": "a1b2c3d4-0001-4000-8000-000000000009",
"name": "Forward to Officers",
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
1500,
460
],
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sendTo": "={{ $json.from }}",
"subject": "=Re: {{ $json.subject }}",
"message": "={{ $json.replyText }}",
"options": {
"threadId": "={{ $json.threadId }}"
}
},
"id": "a1b2c3d4-0001-4000-8000-000000000010",
"name": "Escalate Auto-Reply",
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
1740,
460
],
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"mode": "id",
"value": "YOUR_GOOGLE_SHEET_ID"
},
"sheetName": {
"__rl": true,
"mode": "byName",
"value": "Email Log"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"Timestamp": "={{ $json.timestamp }}",
"From": "={{ $json.from }}",
"Subject": "={{ $json.subject }}",
"Action": "={{ $json.action }}",
"Reply Snippet": "={{ $json.replyText.substring(0, 200) }}"
},
"matchingColumns": [],
"schema": [
{
"id": "Timestamp",
"displayName": "Timestamp",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"type": "string"
},
{
"id": "From",
"displayName": "From",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"type": "string"
},
{
"id": "Subject",
"displayName": "Subject",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"type": "string"
},
{
"id": "Action",
"displayName": "Action",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"type": "string"
},
{
"id": "Reply Snippet",
"displayName": "Reply Snippet",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"type": "string"
}
]
},
"options": {}
},
"id": "a1b2c3d4-0001-4000-8000-000000000011",
"name": "Log Interaction",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4.2,
"position": [
2040,
460
],
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Gmail Trigger": {
"main": [
[
{
"node": "Extract Email",
"type": "main",
"index": 0
}
]
]
},
"Extract Email": {
"main": [
[
{
"node": "Claude API",
"type": "main",
"index": 0
}
]
]
},
"Claude API": {
"main": [
[
{
"node": "Parse Response",
"type": "main",
"index": 0
}
]
]
},
"Parse Response": {
"main": [
[
{
"node": "Route Action",
"type": "main",
"index": 0
}
]
]
},
"Route Action": {
"main": [
[
{
"node": "Add RSVP",
"type": "main",
"index": 0
}
],
[
{
"node": "Forward to Officers",
"type": "main",
"index": 0
}
],
[
{
"node": "Send Reply",
"type": "main",
"index": 0
}
]
]
},
"Add RSVP": {
"main": [
[
{
"node": "RSVP Reply",
"type": "main",
"index": 0
}
]
]
},
"RSVP Reply": {
"main": [
[
{
"node": "Log Interaction",
"type": "main",
"index": 0
}
]
]
},
"Forward to Officers": {
"main": [
[
{
"node": "Escalate Auto-Reply",
"type": "main",
"index": 0
}
]
]
},
"Escalate Auto-Reply": {
"main": [
[
{
"node": "Log Interaction",
"type": "main",
"index": 0
}
]
]
},
"Send Reply": {
"main": [
[
{
"node": "Log Interaction",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"staticData": null,
"tags": [
{
"name": "toastmasters",
"id": "1"
},
{
"name": "email-automation",
"id": "2"
}
],
"triggerCount": 1,
"updatedAt": "2026-02-16T00:00:00.000Z",
"versionId": "1"
}
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.
gmailOAuth2googleCalendarOAuth2ApigoogleSheetsOAuth2ApihttpHeaderAuth
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About this workflow
Toastmasters Email Auto-Responder. Uses gmailTrigger, httpRequest, gmail, googleCalendar. Event-driven trigger; 11 nodes.
Source: https://github.com/rianino/ClubDesk/blob/049275ecaa7386dab213cd0d8b51babaa779f177/n8n-workflows/email-responder.json — original creator credit. Request a take-down →
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