OpenAI GPT-4によるGmailメールの自動分類とマーキング
中級
これはAI Summarization, Multimodal AI分野の自動化ワークフローで、15個のノードを含みます。主にGmail, SplitInBatches, ScheduleTrigger, LmChatOpenAi, TextClassifierなどのノードを使用。 OpenAI GPT-4によるGmailメールの自動分類とマーキング
前提条件
- •Googleアカウント + Gmail API認証情報
- •OpenAI API Key
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"meta": {
"instanceId": "d1786ab0d745a7498abf13a9c2cdabb1374c006e889b79eef64ce0386b8f8a41",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "434e0315-d478-4fc6-9d68-b6d83692d56d",
"name": "スケジュールトリガー",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-220,
-60
],
"parameters": {
"rule": {
"interval": [
{
"field": "minutes"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "9a3551be-1e97-4b1a-986e-55adb27ea660",
"name": "アイテムのループ処理",
"type": "n8n-nodes-base.splitInBatches",
"position": [
220,
-40
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "e44d7114-2e55-4bc3-82d6-b9fdf10651d8",
"name": "OpenAIチャットモデル",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
440,
180
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-5",
"cachedResultName": "gpt-5"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "MGwGMKEkdcjzlYCw",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "123cb1eb-0d71-4e61-a4af-f514c54f20e2",
"name": "ラベル追加（高優先度）",
"type": "n8n-nodes-base.gmail",
"position": [
940,
-200
],
"webhookId": "78527ed1-4494-4a9a-994b-a417a3c45ac1",
"parameters": {
"labelIds": [
"IMPORTANT"
],
"resource": "thread",
"threadId": "={{ $json.threadId }}",
"operation": "addLabels"
},
"credentials": {
"gmailOAuth2": {
"id": "CeBpTZBQSAMKVKJY",
"name": "Gmail account (Billy Email 2)"
}
},
"typeVersion": 2.1
},
{
"id": "e1b53e1d-da8d-483d-8fe3-ddc821b66c0e",
"name": "ラベル追加（個人用）",
"type": "n8n-nodes-base.gmail",
"position": [
940,
0
],
"webhookId": "78527ed1-4494-4a9a-994b-a417a3c45ac1",
"parameters": {
"labelIds": [
"CATEGORY_PERSONAL"
],
"resource": "thread",
"threadId": "={{ $json.threadId }}",
"operation": "addLabels"
},
"credentials": {
"gmailOAuth2": {
"id": "CeBpTZBQSAMKVKJY",
"name": "Gmail account (Billy Email 2)"
}
},
"typeVersion": 2.1
},
{
"id": "711c5194-4046-42ac-8e2e-acbe2026ac29",
"name": "ラベル追加（プロモーション）",
"type": "n8n-nodes-base.gmail",
"position": [
940,
220
],
"webhookId": "78527ed1-4494-4a9a-994b-a417a3c45ac1",
"parameters": {
"labelIds": [
"CATEGORY_PROMOTIONS"
],
"resource": "thread",
"threadId": "={{ $json.threadId }}",
"operation": "addLabels"
},
"credentials": {
"gmailOAuth2": {
"id": "CeBpTZBQSAMKVKJY",
"name": "Gmail account (Billy Email 2)"
}
},
"typeVersion": 2.1
},
{
"id": "ac4c736c-4948-4463-9651-54e1b5e592fa",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
-680,
-140
],
"parameters": {
"color": 4,
"width": 400,
"height": 300,
"content": "## SETUP REQUIRED\n\nWorkflow Configurations:\n- Update the Text Classifier and adjust the labels based on your use case.\n- Add/Remove the Gmail addLabels node to match your use case.\n\nRequired Credentials:\n- Gmail Credential\n- OpenAI API Key"
},
"typeVersion": 1
},
{
"id": "29a5312e-4ddf-41e7-afff-1e8683feca28",
"name": "付箋1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-680,
500
],
"parameters": {
"color": 4,
"width": 680,
"height": 400,
"content": "## 📋 WORKFLOW PROCESS OVERVIEW\n\nStep 1: ⏰ Schedule Trigger executes the workflow every 5 minutes automatically\nStep 2: 📨 Gmail Fetch retrieves up to 10 recent emails from the last 5 minutes using Gmail API\nStep 3: 🔄 Loop Over Items processes each email individually through a batch splitting mechanism\nStep 4: 🤖 Text Classifier (AI Agent) analyzes email subject and body content using OpenAI to categorize emails\nStep 5: 🏷️ Add Labels applies the appropriate Gmail label based on classification: (below is an example only, adjust to your own use case)\n - High Priority emails → \"IMPORTANT\" label\n - Personal emails → \"CATEGORY_PERSONAL\" label \n - Promotional emails → \"CATEGORY_PROMOTIONS\" label\n\n\nStep 6: ↩️ Loop Back continues processing remaining emails until all are classified and labeled"
},
"typeVersion": 1
},
{
"id": "8825d969-1365-4c33-bc00-e995deb40e64",
"name": "付箋2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-680,
200
],
"parameters": {
"color": 4,
"width": 680,
"height": 280,
"content": "## 📧 Smart Gmail Labeling Automation with Text Classifier and GPT-5\n\nWhat This Template Does:\n\n- Runs every 5 minutes to automatically fetch recent emails from your Gmail inbox\n- Retrieves up to 10 emails received within the last 5 minutes\n- Uses OpenAI's Model to intelligently classify each email into predefined categories\n- Automatically applies appropriate Gmail labels based on AI classification results\n- Organizes your inbox by categorizing emails as High Priority, Personal, or Promotional content\n- Processes emails individually through a batch loop to ensure accurate classification"
},
"typeVersion": 1
},
{
"id": "6ab81542-c082-409a-affd-138e766d42a9",
"name": "付箋4",
"type": "n8n-nodes-base.stickyNote",
"position": [
860,
-380
],
"parameters": {
"color": 4,
"width": 280,
"height": 860,
"content": "## Add Label Nodes\n\nAdd Label Nodes based on your use case. For example, if you have 5 labels, then you can add 5 nodes and adjust the label names on each node.\n"
},
"typeVersion": 1
},
{
"id": "e6ef7d72-00a6-457d-8059-f20dcecc9d9f",
"name": "付箋5",
"type": "n8n-nodes-base.stickyNote",
"position": [
440,
-180
],
"parameters": {
"color": 4,
"width": 320,
"height": 320,
"content": "## Label Classifier\n\nAdjust the categories based on your use case. Also, add a description to each category for maximum results.\n"
},
"typeVersion": 1
},
{
"id": "ce7c17d4-958e-4d77-8b99-07d71b1005a0",
"name": "ラベル分類器",
"type": "@n8n/n8n-nodes-langchain.textClassifier",
"position": [
460,
0
],
"parameters": {
"options": {
"fallback": "other"
},
"inputText": "=Email Subject:\n{{ $json.headers.subject }}\n\nEmail Body:\n{{ $json.text }}",
"categories": {
"categories": [
{
"category": "High Priority",
"description": "Emails that require immediate attention or urgent action."
},
{
"category": "Personal",
"description": "Personal refers to activities or matters related to private life, self, or non-work interests."
},
{
"category": "Promotions",
"description": "Promotions refer to marketing messages or activities that advertise products, services, or offers"
}
]
}
},
"typeVersion": 1,
"alwaysOutputData": false
},
{
"id": "1c81d787-784f-48bb-bdd2-2b9b2f9fc975",
"name": "付箋6",
"type": "n8n-nodes-base.stickyNote",
"position": [
-120,
-220
],
"parameters": {
"color": 4,
"width": 320,
"height": 320,
"content": "## Gmail - Get Emails\n\nGet all messages received within the last 5 minutes. \nYou can adjust the time range and the email limit here.\n"
},
"typeVersion": 1
},
{
"id": "9482f1e2-d564-4f15-938e-d4db4b1a59cb",
"name": "Gmail - メール取得",
"type": "n8n-nodes-base.gmail",
"position": [
-20,
-60
],
"webhookId": "9777ca5f-5226-4fc8-b93b-a3344f890dd3",
"parameters": {
"limit": 10,
"simple": false,
"filters": {
"receivedAfter": "={{ $now.minus({ minutes: 50000 }).toMillis() }}"
},
"options": {},
"operation": "getAll"
},
"credentials": {
"gmailOAuth2": {
"id": "CeBpTZBQSAMKVKJY",
"name": "Gmail account (Billy Email 2)"
}
},
"typeVersion": 2.1
}
],
"pinData": {},
"connections": {
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"434e0315-d478-4fc6-9d68-b6d83692d56d": {
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"type": "main",
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},
"e44d7114-2e55-4bc3-82d6-b9fdf10651d8": {
"ai_languageModel": [
[
{
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"type": "ai_languageModel",
"index": 0
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"711c5194-4046-42ac-8e2e-acbe2026ac29": {
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"123cb1eb-0d71-4e61-a4af-f514c54f20e2": {
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}
}
}よくある質問
このワークフローの使い方は？
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか？
中級 - AI要約, マルチモーダルAI
有料ですか？
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス（OpenAI APIなど）は別途料金が発生する場合があります。
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ワークフロー情報
難易度
中級
ノード数15
カテゴリー2
ノードタイプ6
作成者
Billy Christi
@billyI build scalable automation systems with n8n to help businesses save time and cut costs. 💼 n8n expert available for new projects 📩 billychartanto@gmail.com
外部リンク
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