Matt Chong | n8n Creator This workflow corresponds to n8n.io template #5820 — we link there as the canonical source.
This workflow follows the Agent → Gmail recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "AI Gmail: Prioritize What You Should Read",
"nodes": [
{
"id": "9f0e4edb-32cc-45bf-96d8-91d76506b9e7",
"name": "Edit Fields",
"type": "n8n-nodes-base.set",
"position": [
-816,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "e8fecc44-bfcf-42cd-a82d-b2963d8f4c94",
"name": "id",
"type": "string",
"value": "={{ $json.id }}"
},
{
"id": "4967158d-b4ee-41b4-a945-d19462d08886",
"name": "text",
"type": "string",
"value": "={{ $json.text ? $json.text : $json.html}}"
},
{
"id": "48cf009c-69ea-48aa-9de8-d53039aca4a5",
"name": "from",
"type": "string",
"value": "={{ $json.from.value[0].name }}"
},
{
"id": "cfd63044-5e92-44c3-ad28-16118c1b83cb",
"name": "threadId",
"type": "string",
"value": "={{ $json.threadId }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "90c625c4-8b88-40a0-8ff1-293b5950aa85",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"onError": "continueRegularOutput",
"position": [
-592,
0
],
"parameters": {
"text": "=You are a strict JSON generator.\n\nAnalyze the following email content and classify it into one of the following categories:\n\n- \"Action\" \u2192 bills, inquiries, reply needed, or require my attention.\n- \"Informational\" \u2192 updates, shipping, delivery alerts, social media updates or messages. \n- \"Spam\" \u2192 promotional or marketing emails.\n- \"Receipt\" \u2192 receipts of purchases or subscriptions.\n\nSummary: Extract the most important information of the email into 1 sentence, not more than 4000 characters. \n\nReturn your response in a JSON object, **only using** this exact format (this is an example \u2014 follow this structure exactly):\n{ \"label\": \"<one of the 4 categories>\", \"summary\": \"<Summary>\", \"id\": {{ $json.id }}, \"threadId\": {{ $json.threadId }} }\n\nExample output (follow this exact style):\n{ \"label\": \"Informational\", \"summary\": \"Your Apple Magic Keyboard has shipped and will arrive June 28.\", \"id\": \"abc123\" }\n\nRules:\n- Do NOT return markdown (no triple backticks, no ```json)\n- Use double quotes for keys and string values\n- Do NOT include explanations, extra text, or formatting\n- Return ONLY the one-line function call above, replacing values as needed and using the exact format above.\n\nReview your response to ensure you meet the rules before you generate the output. \n\n\nid: {{ $json.id }}\nthreadId: {{ $json.threadId }}\n\nEmail content:\n{{ $json.text }}\n",
"options": {},
"promptType": "define"
},
"retryOnFail": true,
"typeVersion": 2,
"alwaysOutputData": true
},
{
"id": "75af6c6b-9706-42ed-985a-a763ea3e3473",
"name": "Structured Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
-336,
224
],
"parameters": {
"schemaType": "manual",
"inputSchema": "{\n \"type\": \"object\",\n \"properties\": {\n \"label\": { \"type\": \"string\" },\n \"summary\": { \"type\": \"string\" },\n \"id\": { \"type\": \"string\" },\n \"threadId\": { \"type\": \"string\" }\n },\n \"required\": [\"label\", \"id\"]\n}\n"
},
"typeVersion": 1.3
},
{
"id": "d6d8026a-1b11-40e4-8d30-94d4a7287848",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-1264,
0
],
"parameters": {
"rule": {
"interval": [
{
"field": "hours"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "464eae52-c683-43ff-8a4f-25d3acba5a93",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-592,
224
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o",
"cachedResultName": "gpt-4o"
},
"options": {}
},
"typeVersion": 1.2
},
{
"id": "954ce5bb-495c-459c-981c-3bcdb0066308",
"name": "Get All Unread Messages",
"type": "n8n-nodes-base.gmail",
"position": [
-1040,
0
],
"parameters": {
"simple": false,
"filters": {
"readStatus": "unread"
},
"options": {},
"operation": "getAll",
"returnAll": true
},
"typeVersion": 2.1
},
{
"id": "f71f88be-77aa-4dbb-bbdc-607ebfc3ddc7",
"name": "Switch",
"type": "n8n-nodes-base.switch",
"position": [
-128,
-32
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "Action",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "7822ad3b-3f0a-4e7e-8f3c-96641f2e2d4a",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.output.label }}",
"rightValue": "Action"
}
]
},
"renameOutput": true
},
{
"outputKey": "Informational",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a076e618-a956-4ea7-a253-67e90a008495",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.output.label }}",
"rightValue": "Informational"
}
]
},
"renameOutput": true
},
{
"outputKey": "Receipt",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "873953c5-db09-450c-b5ed-59f695bfc9af",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.output.label }}",
"rightValue": "Receipt"
}
]
},
"renameOutput": true
}
]
},
"options": {
"fallbackOutput": "extra"
}
},
"typeVersion": 3.2
},
{
"id": "16c60f51-2387-4f43-92d5-ada08840b97e",
"name": "OpenAI Fall Back Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-464,
224
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-3.5-turbo",
"cachedResultName": "gpt-3.5-turbo"
},
"options": {}
},
"typeVersion": 1.2
},
{
"id": "29f90ac4-d629-493c-a825-98c72bd77399",
"name": "Delete email",
"type": "n8n-nodes-base.gmail",
"onError": "continueRegularOutput",
"position": [
96,
288
],
"parameters": {
"resource": "thread",
"threadId": "={{ $json.output.threadId }}",
"operation": "delete"
},
"typeVersion": 2.1
},
{
"id": "90629ef6-75ba-499b-a27d-b47bde3deadb",
"name": "Mark email as read",
"type": "n8n-nodes-base.gmail",
"position": [
432,
-64
],
"parameters": {
"messageId": "={{ $json.id }}",
"operation": "markAsRead"
},
"typeVersion": 2.1
},
{
"id": "8ed659e1-293c-49d2-ad24-0bb8d0fe30ec",
"name": "Add label \"Receipt\" to email",
"type": "n8n-nodes-base.gmail",
"position": [
96,
96
],
"parameters": {
"labelIds": [
"Label_3361902760602362460"
],
"messageId": "={{ $json.output.id }}",
"operation": "addLabels"
},
"typeVersion": 2.1
},
{
"id": "42fa8db1-b003-415b-bf06-9f18b9823faa",
"name": "Add label \"Action\" to email",
"type": "n8n-nodes-base.gmail",
"position": [
96,
-288
],
"parameters": {
"labelIds": [
"Label_4190586288433010009",
"IMPORTANT"
],
"messageId": "={{ $json.output.id }}",
"operation": "addLabels"
},
"typeVersion": 2.1
},
{
"id": "690d7e73-c97e-467b-aafe-e4acb552f188",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1320,
-144
],
"parameters": {
"color": 5,
"width": 208,
"height": 304,
"content": "### \ud83d\udca1 Schedule Trigger\nThis runs every hour. You can change the interval here depending on how often you want your Gmail to be processed."
},
"typeVersion": 1
},
{
"id": "967d2796-e9ce-4dfa-90cb-948d1b573185",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1312,
256
],
"parameters": {
"width": 304,
"height": 224,
"content": "### \u26a0\ufe0f Setup Required\n- Connect your Gmail account using OAuth2. \n- Add your OpenAI API Key under \u201cAPI Credentials\u201d.\n- Create these labels in your Gmail: Action, Informational, Spam and Receipt"
},
"typeVersion": 1
},
{
"id": "06f7f246-155b-4b2d-86c0-0ecb86e84d3c",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-640,
-160
],
"parameters": {
"color": 5,
"width": 432,
"height": 320,
"content": "### \ud83d\udca1 Customize Classification Logic\nYou can change the prompt to match your context. For example, tell the AI to detect more labels like `Meeting`, `Newsletter`, etc."
},
"typeVersion": 1
},
{
"id": "61d814b5-f734-43a1-a588-c4722a0fd60c",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-200,
-160
],
"parameters": {
"color": 5,
"height": 352,
"content": "### \ud83d\udca1 Add More Labels\nWant to detect `Meeting`, `Newsletter`, etc?\nAdd more conditions here and route them to different Gmail actions."
},
"typeVersion": 1
},
{
"id": "011af85b-feb4-495d-8382-c42fdc5ff7c4",
"name": "Add label \"Informational\" to email",
"type": "n8n-nodes-base.gmail",
"position": [
96,
-96
],
"parameters": {
"labelIds": [
"Label_4104611383523107189"
],
"messageId": "={{ $json.output.id }}",
"operation": "addLabels"
},
"typeVersion": 2.1
}
],
"connections": {
"Switch": {
"main": [
[
{
"node": "Add label \"Action\" to email",
"type": "main",
"index": 0
}
],
[
{
"node": "Add label \"Informational\" to email",
"type": "main",
"index": 0
}
],
[
{
"node": "Add label \"Receipt\" to email",
"type": "main",
"index": 0
}
],
[
{
"node": "Delete email",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Switch",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Delete email": {
"main": [
[]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Get All Unread Messages",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"OpenAI Fall Back Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 1
}
]
]
},
"Get All Unread Messages": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
},
"Structured Output Parser": {
"ai_outputParser": [
[
{
"node": "AI Agent",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Add label \"Action\" to email": {
"main": [
[
{
"node": "Mark email as read",
"type": "main",
"index": 0
}
]
]
},
"Add label \"Receipt\" to email": {
"main": [
[
{
"node": "Mark email as read",
"type": "main",
"index": 0
}
]
]
},
"Add label \"Informational\" to email": {
"main": [
[
{
"node": "Mark email as read",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
This workflow contains community nodes that are only compatible with the self-hosted version of n8n.
Source: https://n8n.io/workflows/5820/ — original creator credit. Request a take-down →
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