Usama Rehman This workflow corresponds to n8n.io template #5370 — we link there as the canonical source.
This workflow follows the Agent → Documentdefaultdataloader 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 →
{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "gmail-trigger-001",
"name": "Gmail Trigger",
"type": "n8n-nodes-base.gmailTrigger",
"position": [
560,
400
],
"parameters": {
"simple": false,
"filters": {
"q": "-from:me"
},
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
}
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "drive-download-001",
"name": "Google Drive - Download Profile",
"type": "n8n-nodes-base.googleDrive",
"position": [
760,
260
],
"parameters": {
"fileId": "YOUR_PROFILE_DOC_FILE_ID",
"operation": "download"
},
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "gmail-thread-001",
"name": "Gmail - Fetch Thread",
"type": "n8n-nodes-base.gmail",
"position": [
760,
540
],
"parameters": {
"threadId": "={{ $json.threadId }}",
"operation": "getAll"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2
},
{
"id": "profile-loader-001",
"name": "Profile Document Loader",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
980,
260
],
"parameters": {
"options": {
"metadata": {
"metadataValues": [
{
"name": "type",
"value": "user_profile"
}
]
}
},
"jsonData": "={{ $json.content }}",
"jsonMode": "expressionData"
},
"typeVersion": 1
},
{
"id": "thread-loader-001",
"name": "Thread Document Loader",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
980,
540
],
"parameters": {
"options": {
"metadata": {
"metadataValues": [
{
"name": "type",
"value": "email_thread"
}
]
}
},
"jsonData": "={{ JSON.stringify($json.messages) }}",
"jsonMode": "expressionData"
},
"typeVersion": 1
},
{
"id": "profile-splitter-001",
"name": "Profile Text Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
1200,
260
],
"parameters": {
"chunkSize": 1000,
"chunkOverlap": 100
},
"typeVersion": 1
},
{
"id": "thread-splitter-001",
"name": "Thread Text Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
1200,
540
],
"parameters": {
"chunkSize": 2000,
"chunkOverlap": 200
},
"typeVersion": 1
},
{
"id": "openai-embeddings-001",
"name": "OpenAI Embeddings",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
1420,
400
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "vector-store-001",
"name": "Simple Vector Store",
"type": "@n8n/n8n-nodes-langchain.vectorStoreInMemory",
"position": [
1640,
400
],
"parameters": {
"mode": "insert",
"memoryKey": "email_context_{{ $('Gmail Trigger').item.json.threadId }}"
},
"typeVersion": 1
},
{
"id": "prepare-context-001",
"name": "Prepare Agent Context",
"type": "n8n-nodes-base.set",
"position": [
1860,
400
],
"parameters": {
"assignments": {
"assignments": [
{
"id": "context-text",
"name": "text",
"type": "string",
"value": "=Please analyze this incoming email and generate an appropriate reply based on the user profile and email thread context.\n\nIncoming Email Subject: {{ $('Gmail Trigger').item.json.subject }}\nIncoming Email From: {{ $('Gmail Trigger').item.json.headers.from }}\nIncoming Email Body: {{ $('Gmail Trigger').item.json.textAsHtml }}\n\nInstructions:\n1. If this appears to be a newsletter, automated notification, or spam, respond with exactly 'NO_REPLY_NEEDED'\n2. If this requires a response, generate a professional and contextual reply\n3. Use the knowledge from the vector store to inform your response\n4. Keep responses concise but helpful"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "openai-chat-001",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
2080,
580
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {
"temperature": 0.3
}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "simple-memory-001",
"name": "Simple Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
2180,
580
],
"parameters": {
"sessionKey": "=email_{{ $('Gmail Trigger').item.json.threadId }}",
"maxTokenLimit": 4000,
"sessionIdType": "customKey"
},
"typeVersion": 1.3
},
{
"id": "vector-retriever-001",
"name": "Vector Store Retriever",
"type": "@n8n/n8n-nodes-langchain.vectorStoreInMemory",
"position": [
2280,
580
],
"parameters": {
"mode": "retrieve-as-tool",
"limit": 5,
"toolName": "email_context",
"memoryKey": "email_context_{{ $('Gmail Trigger').item.json.threadId }}",
"toolDescription": "Retrieve context about the user profile and email thread history"
},
"typeVersion": 1
},
{
"id": "email-agent-001",
"name": "Email Reply Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
2080,
400
],
"parameters": {
"text": "={{ $json.text }}",
"options": {
"systemMessage": "You are an intelligent email assistant. Your job is to analyze incoming emails and generate appropriate responses based on:\n\n1. User profile information (from vector store)\n2. Email thread context (from vector store)\n3. The specific incoming email content\n\nGuidelines:\n- For newsletters, promotions, automated messages: respond with exactly 'NO_REPLY_NEEDED'\n- For legitimate emails requiring responses: generate professional, contextual replies\n- Keep responses concise but helpful\n- Use the user's communication style from their profile\n- Reference relevant context from previous emails when appropriate\n- Always be polite and professional"
},
"promptType": "define"
},
"typeVersion": 1.9
},
{
"id": "check-response-001",
"name": "Check If Reply Needed",
"type": "n8n-nodes-base.if",
"position": [
2400,
400
],
"parameters": {
"conditions": {
"combinator": "and",
"conditions": [
{
"operator": {
"type": "notContainsText"
},
"leftValue": "={{ $json.output }}",
"rightValue": "NO_REPLY_NEEDED"
}
]
}
},
"typeVersion": 2
},
{
"id": "create-draft-001",
"name": "Gmail - Create Draft",
"type": "n8n-nodes-base.gmail",
"position": [
2680,
400
],
"parameters": {
"message": "={{ $json.output.replace(/\\n/g, \"<br />\\n\") }}",
"options": {
"sendTo": "={{ $('Gmail Trigger').item.json.headers.from }}",
"threadId": "={{ $('Gmail Trigger').item.json.threadId }}"
},
"subject": "=Re: {{ $('Gmail Trigger').item.json.subject }}",
"resource": "draft",
"emailType": "html"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2
},
{
"id": "error-handler-001",
"name": "Error Handler",
"type": "n8n-nodes-base.code",
"position": [
2400,
600
],
"parameters": {
"jsCode": "// Log error details for debugging\nconst errorData = {\n timestamp: new Date().toISOString(),\n error: $input.all(),\n workflow: 'Gmail Auto Reply',\n threadId: $('Gmail Trigger').item?.json?.threadId || 'unknown'\n};\n\nconsole.log('Workflow Error:', JSON.stringify(errorData, null, 2));\n\nreturn [{ json: errorData }];"
},
"typeVersion": 2
},
{
"id": "sticky-note-001",
"name": "Workflow Instructions",
"type": "n8n-nodes-base.stickyNote",
"position": [
200,
200
],
"parameters": {
"color": 5,
"width": 300,
"height": 400,
"content": "# Gmail Auto-Reply with AI\n\n## Setup Required:\n1. **Gmail OAuth2** credentials\n2. **Google Drive OAuth2** credentials \n3. **OpenAI API** credentials\n4. **Profile Document**: Update YOUR_PROFILE_DOC_FILE_ID\n\n## How it works:\n1. Monitors Gmail for new emails\n2. Downloads user profile from Google Drive\n3. Fetches email thread context\n4. Creates vector embeddings for context\n5. Uses AI agent to generate appropriate replies\n6. Creates draft if reply is needed\n\n## Features:\n- Smart filtering (ignores newsletters/spam)\n- Context-aware responses\n- Memory of conversation history\n- Professional tone matching"
},
"typeVersion": 1
}
],
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "3",
"connections": {
"Gmail Trigger": {
"main": [
[
{
"node": "Google Drive - Download Profile",
"type": "main",
"index": 0
},
{
"node": "Gmail - Fetch Thread",
"type": "main",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "Email Reply Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Email Reply Agent": {
"main": [
[
{
"node": "Check If Reply Needed",
"type": "main",
"index": 0
}
]
],
"error": [
[
{
"node": "Error Handler",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Email Reply Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"OpenAI Embeddings": {
"ai_embedding": [
[
{
"node": "Simple Vector Store",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Simple Vector Store": {
"main": [
[
{
"node": "Prepare Agent Context",
"type": "main",
"index": 0
}
]
]
},
"Gmail - Create Draft": {
"error": [
[
{
"node": "Error Handler",
"type": "main",
"index": 0
}
]
]
},
"Gmail - Fetch Thread": {
"main": [
[
{
"node": "Thread Document Loader",
"type": "main",
"index": 0
}
]
],
"error": [
[
{
"node": "Error Handler",
"type": "main",
"index": 0
}
]
]
},
"Thread Text Splitter": {
"ai_textSplitter": [
[
{
"node": "Thread Document Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Check If Reply Needed": {
"main": [
[
{
"node": "Gmail - Create Draft",
"type": "main",
"index": 0
}
]
]
},
"Prepare Agent Context": {
"main": [
[
{
"node": "Email Reply Agent",
"type": "main",
"index": 0
}
]
]
},
"Profile Text Splitter": {
"ai_textSplitter": [
[
{
"node": "Profile Document Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Thread Document Loader": {
"ai_document": [
[
{
"node": "Simple Vector Store",
"type": "ai_document",
"index": 0
}
]
]
},
"Vector Store Retriever": {
"ai_tool": [
[
{
"node": "Email Reply Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Profile Document Loader": {
"ai_document": [
[
{
"node": "Simple Vector Store",
"type": "ai_document",
"index": 0
}
]
]
},
"Google Drive - Download Profile": {
"main": [
[
{
"node": "Profile Document Loader",
"type": "main",
"index": 0
}
]
],
"error": [
[
{
"node": "Error Handler",
"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.
gmailOAuth2googleDriveOAuth2ApiopenAiApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Advanced Gmail AI Auto-Responder with Context Intelligence The next-generation email automation that knows your communication style, remembers conversations, and responds with human-like intelligence.
Source: https://n8n.io/workflows/5370/ — original creator credit. Request a take-down →
Related workflows
Workflows that share integrations, category, or trigger type with this one. All free to copy and import.
Alfred (funcional). Uses gmailTool, googleCalendarTool, gmail, embeddingsOpenAi. Event-driven trigger; 83 nodes.
Gmail Tool, Google Calendar Tool, Gmail +24
Your AI workforce is ready. Are you?
Google Sheets Tool, Mcp Trigger, Google Drive +29
This intelligent chatbot leverages cutting-edge financial APIs and AI-driven analysis to deliver comprehensive stock research reports. Get instant access to professional-grade investment analysis that
Tool Think, Supabase Vector Store, OpenAI Embeddings +15
This advanced n8n workflow automates the full lead enrichment, qualification, and personalized outreach process tailored specifically for the B2B real estate sector. Integrating top platforms like Api
N8N Nodes Fillout, OpenAI Chat, Pinecone Vector Store +11
This n8n template automatically classifies incoming emails (Sales, Support, Internal, Finance, Promotions) and routes them to a dedicated OpenAI LLM Agent for processing. Depending on the category, th
OpenAI, Gmail, Text Classifier +16