GPT-4o と gotoHuman を使用してメールを分類し、返信を送信
上級
これはTicket Management, Multimodal AI分野の自動化ワークフローで、24個のノードを含みます。主にSet, Gmail, Switch, GmailTrigger, Agentなどのノードを使用。 GPT-4o と gotoHuman でメールを分類し、返信を送信
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": "5ec543f78db8e552b46818580d4137dda2f58675a1a45426c44ae175fc35ac62"
},
"nodes": [
{
"id": "2b131412-e9f1-4a8b-a268-0c9b21443aa7",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-752,
256
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini",
"cachedResultName": "gpt-4o-mini"
},
"options": {}
},
"credentials": {},
"typeVersion": 1.2
},
{
"id": "db840ba6-5bf2-4355-af2c-35d6a9b2059a",
"name": "OpenAI Chat Model2",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
368,
96
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini",
"cachedResultName": "gpt-4o-mini"
},
"options": {}
},
"credentials": {},
"typeVersion": 1.2
},
{
"id": "54e8ca88-61d2-4ecf-97be-5bde43f92adf",
"name": "新規メール",
"type": "n8n-nodes-base.gmailTrigger",
"position": [
-880,
16
],
"parameters": {
"simple": false,
"filters": {},
"options": {},
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
}
},
"credentials": {},
"typeVersion": 1.2
},
{
"id": "138f84f1-1e44-4a2f-b2cf-574f196fabb1",
"name": "AI分類器",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-672,
16
],
"parameters": {
"text": "=From: {{ $json.from.text }}\nTo: {{ $json.to.text }}\nSubject: {{ $json.subject }}\nBody:\n{{ $json.text }}",
"options": {
"systemMessage": "You are a helpful email assistant analyzing the email passed by the user.\nPlease determine whether we need to reply and if you would flag it as important. Also classify the email into one of the following categories:\n- Customer Support\n- Partnership Inquiry\n- Sales opportunity\n- Transactional notification\n- Promotion\n- Spam\n- Personal"
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "f96111be-c199-4e19-84d7-15062c5bbcae",
"name": "AIメール作成者",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
416,
-80
],
"parameters": {
"text": "=From: {{ $('New Email').item.json.from.text }}\nTo: {{ $('New Email').item.json.to.text }}\nSubject: {{ $('New Email').item.json.subject }}\nBody:\n{{ $('New Email').item.json.text }}",
"options": {
"systemMessage": "={{ $json.prompt }}"
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "4aa78fde-0378-43ac-8de4-5eb16d4654db",
"name": "返信不要",
"type": "n8n-nodes-base.noOp",
"position": [
1632,
-176
],
"parameters": {},
"typeVersion": 1
},
{
"id": "fabc6e2c-338c-4fd5-892e-a9d41eb2fbf7",
"name": "プロンプト設定",
"type": "n8n-nodes-base.set",
"position": [
208,
-80
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "d1b93765-fd43-4c01-aff9-f96170b77cd9",
"name": "prompt",
"type": "string",
"value": "You are a helpful email assistant. Please draft a reply to the email passed by the user. Match the writing style of the received email. If you cannot answer questions or draft a complete reply, incl. placeholders. A user will review your draft after this and can fill in more info. Incl. the body of the email only, we are responding within the thread."
}
]
},
"includeOtherFields": true
},
"typeVersion": 3.4
},
{
"id": "052cbe31-443a-4b3a-8429-fb775703eee0",
"name": "プロンプト設定（編集済）",
"type": "n8n-nodes-base.set",
"position": [
1632,
512
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "f10b4f0b-3756-48e9-a7f6-51299ad48427",
"name": "prompt",
"type": "string",
"value": "={{ $json.messages[0].content || $('Set Prompt').item.json.prompt }}"
},
{
"id": "9a7c60fe-a782-4660-97fe-a7fc851cbb45",
"name": "reviewToUpdate",
"type": "string",
"value": "={{ $json.reviewId }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "333ddcdf-c633-4824-9096-d1d47a564eb9",
"name": "構造化出力",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
576,
96
],
"parameters": {
"jsonSchemaExample": "{\n\t\"textEmailDraft\": \"Hello Jack...\"\n}"
},
"typeVersion": 1.3
},
{
"id": "6b82f29b-240a-42ba-a326-cfe92660e621",
"name": "構造化出力1",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
-480,
256
],
"parameters": {
"jsonSchemaExample": "{\n\t\"classifiedAs\": \"support\",\n \"needsReply\": true,\n \"important\": false\n}"
},
"typeVersion": 1.3
},
{
"id": "3d2ca961-b126-4b45-a87c-675128886bbb",
"name": "要人間確認？",
"type": "n8n-nodes-base.switch",
"position": [
-320,
0
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "Needs reply",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "b5af0410-a10b-4b7c-a4e9-33f351a9c988",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.output.needsReply }}",
"rightValue": ""
}
]
},
"renameOutput": true
},
{
"outputKey": "Needs no reply but important",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "ace11ff1-0722-475a-ba61-706bc21f9e8f",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !$json.output.needsReply && $json.output.important }}",
"rightValue": ""
}
]
},
"renameOutput": true
},
{
"outputKey": "Don't bother",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "d36d5ec4-90a8-4a70-bedd-4a3534dc0308",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !$json.output.needsReply && !$json.output.important }}",
"rightValue": ""
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "b8d8ef38-2c99-418b-94bd-9fcd825a3a3a",
"name": "重要でない",
"type": "n8n-nodes-base.noOp",
"position": [
-80,
192
],
"parameters": {},
"typeVersion": 1
},
{
"id": "8afb91b3-70ca-4d20-8dc0-d8e82d47b16b",
"name": "gotoHuman: 人間による確認",
"type": "@gotohuman/n8n-nodes-gotohuman.gotoHuman",
"position": [
1056,
0
],
"webhookId": "f445153e-594c-4e61-9f32-b6b4e87c1411",
"parameters": {
"fields": {
"value": {
"email": "={{ $('New Email').item.json.textAsHtml }}",
"sender": "={{ $('New Email').item.json.from.text }}",
"emailDraft": "={{ $json.output?.textEmailDraft ? {ai: {prompt: $('Set Prompt').item.json.prompt}, content: $json.output?.textEmailDraft} : \"No reply needed - FYI only\" }}",
"classification": "={{ $('AI Classifier').item.json.output.classifiedAs }}"
},
"schema": [
{
"id": "sender",
"type": "string",
"display": true,
"required": false,
"displayName": "sender (textShort)",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "email",
"type": "string",
"display": true,
"required": false,
"displayName": "email (emailHtml)",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "classification",
"type": "string",
"display": true,
"required": false,
"displayName": "classification (textShort)",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "emailDraft",
"type": "string",
"display": true,
"required": false,
"displayName": "emailDraft (text)",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"additionalFields": {
"updateForReviewId": "={{ $('Set (edited) prompt').isExecuted ? $('Set (edited) prompt').item.json.reviewToUpdate : null }}"
},
"reviewTemplateID": {
"__rl": true,
"mode": "list"
}
},
"credentials": {},
"typeVersion": 1
},
{
"id": "d7496fcc-e8d5-45fd-94af-0190be114308",
"name": "人間の返答",
"type": "n8n-nodes-base.switch",
"position": [
1360,
-16
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "Rejected",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "c25eb32d-e664-420c-8574-946f9e1c10cf",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.response }}",
"rightValue": "rejected"
}
]
},
"renameOutput": true
},
{
"outputKey": "Approved",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a55f8641-84eb-4043-a573-9958b9606571",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.response }}",
"rightValue": "approved"
}
]
},
"renameOutput": true
},
{
"outputKey": "Retry",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "feaea8d7-d127-4a03-a87d-2269551ab775",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.type }}",
"rightValue": "chat"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "c1b741a5-4bb5-4570-acae-c4d6d0aef7f4",
"name": "スレッドに返信",
"type": "n8n-nodes-base.gmail",
"position": [
2016,
0
],
"webhookId": "f5644cf1-21dd-446e-91b1-06a6958cdc27",
"parameters": {
"message": "={{ $json.responseValues.emailDraft.value }}",
"options": {
"appendAttribution": false
},
"emailType": "text",
"messageId": "={{ $('New Email').item.json.id }}",
"operation": "reply"
},
"credentials": {},
"typeVersion": 2.1
},
{
"id": "2d0ee5a2-b7f6-4e83-9640-4005526c451b",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
992,
-80
],
"parameters": {
"color": 7,
"height": 272,
"content": ""
},
"typeVersion": 1
},
{
"id": "b24bd496-feed-4825-8de2-0c04252ffa9e",
"name": "付箋1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-960,
-224
],
"parameters": {
"color": 7,
"width": 848,
"height": 640,
"content": "## Classify Email\nWe ask AI to classify the received email into one of the categories defined in the prompt. It also determines whether a reply is needed and it is deemed important."
},
"typeVersion": 1
},
{
"id": "cb439e6b-dbe7-4e8a-9830-ea95293319c1",
"name": "付箋2",
"type": "n8n-nodes-base.stickyNote",
"position": [
80,
-208
],
"parameters": {
"color": 7,
"width": 720,
"height": 624,
"content": "## Draft Email Response\nIf it was determined that a reply is required, we ask AI to draft a response. It might incl. placeholders for a human to replace during review."
},
"typeVersion": 1
},
{
"id": "83096ad5-1749-4863-85c7-05148bc8c583",
"name": "付箋3",
"type": "n8n-nodes-base.stickyNote",
"position": [
912,
-208
],
"parameters": {
"color": 7,
"width": 656,
"height": 624,
"content": "## Human Review\nAsk a human to review the received email and approve any AI-drafted response via gotoHuman.\nDrafts can be manually edited or retried in gotoHuman (Retries loop back to the AI email writer node)."
},
"typeVersion": 1
},
{
"id": "aeeda5cc-c5ff-4bfe-ac35-7730efca93bb",
"name": "付箋4",
"type": "n8n-nodes-base.stickyNote",
"position": [
912,
448
],
"parameters": {
"color": 7,
"width": 896,
"height": 336,
"content": "## Human asked for Retry\nIn gotoHuman the reviewer clicked retry or edited the prompt to iterate on the LLM output."
},
"typeVersion": 1
},
{
"id": "c20abf9e-385a-4263-9205-8739a95093be",
"name": "付箋5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1808,
-224
],
"parameters": {
"color": 7,
"width": 560,
"height": 432,
"content": "## Send approved Reply\nSend the approved response as a reply to the email thread"
},
"typeVersion": 1
},
{
"id": "e5994c92-1179-421d-957a-ecc413e41e8d",
"name": "付箋6",
"type": "n8n-nodes-base.stickyNote",
"position": [
848,
-1056
],
"parameters": {
"width": 784,
"height": 816,
"content": "gotoHuman - Reviewing\n"
},
"typeVersion": 1
},
{
"id": "890831e1-89c0-4978-9b1f-6bdd00fceea4",
"name": "付箋7",
"type": "n8n-nodes-base.stickyNote",
"position": [
800,
800
],
"parameters": {
"width": 1072,
"height": 352,
"content": "gotoHuman - Retrying with AI\n"
},
"typeVersion": 1
},
{
"id": "3ecfaedc-0b01-47f4-b6d1-bbde0426cc23",
"name": "付箋8",
"type": "n8n-nodes-base.stickyNote",
"position": [
-960,
-976
],
"parameters": {
"width": 688,
"height": 720,
"content": "## AI Email Assistant 🤖📧\n### Classifies, Drafts and Sends Human-Approved Reply\n\nThis shows an AI-based email assistant that reads each new incoming email, drafts a reply and sends it after human approval in gotoHuman.\n\n### ⚠️ How to set up\n[ ] In n8n, install the gotoHuman node **before** importing this template or some settings will be missing (Just add the node to a blank canvas before importing)\n\n[ ] Create gotoHuman account, copy API key\n\n[ ] In gotoHuman, import a review template from ID: `v81wzxwYoFYvWpmuIBgX`\n\n[ ] In the gotoHuman node, set up the credentials using your API key and select the review template \"Email Smart Reply\" from the list (This is the one you just imported)\n[ ] Connect Gmail and OpenAI account\n\n### Requirements\n- gotoHuman account for human supervision\n- OpenAI account for classification and email draft\n- Gmail for emails"
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"54e8ca88-61d2-4ecf-97be-5bde43f92adf": {
"main": [
[
{
"node": "138f84f1-1e44-4a2f-b2cf-574f196fabb1",
"type": "main",
"index": 0
}
]
]
},
"fabc6e2c-338c-4fd5-892e-a9d41eb2fbf7": {
"main": [
[
{
"node": "f96111be-c199-4e19-84d7-15062c5bbcae",
"type": "main",
"index": 0
}
]
]
},
"138f84f1-1e44-4a2f-b2cf-574f196fabb1": {
"main": [
[
{
"node": "3d2ca961-b126-4b45-a87c-675128886bbb",
"type": "main",
"index": 0
}
]
]
},
"d7496fcc-e8d5-45fd-94af-0190be114308": {
"main": [
[
{
"node": "4aa78fde-0378-43ac-8de4-5eb16d4654db",
"type": "main",
"index": 0
}
],
[
{
"node": "c1b741a5-4bb5-4570-acae-c4d6d0aef7f4",
"type": "main",
"index": 0
}
],
[
{
"node": "052cbe31-443a-4b3a-8429-fb775703eee0",
"type": "main",
"index": 0
}
]
]
},
"f96111be-c199-4e19-84d7-15062c5bbcae": {
"main": [
[
{
"node": "8afb91b3-70ca-4d20-8dc0-d8e82d47b16b",
"type": "main",
"index": 0
}
]
]
},
"2b131412-e9f1-4a8b-a268-0c9b21443aa7": {
"ai_languageModel": [
[
{
"node": "138f84f1-1e44-4a2f-b2cf-574f196fabb1",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"333ddcdf-c633-4824-9096-d1d47a564eb9": {
"ai_outputParser": [
[
{
"node": "f96111be-c199-4e19-84d7-15062c5bbcae",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"db840ba6-5bf2-4355-af2c-35d6a9b2059a": {
"ai_languageModel": [
[
{
"node": "f96111be-c199-4e19-84d7-15062c5bbcae",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"6b82f29b-240a-42ba-a326-cfe92660e621": {
"ai_outputParser": [
[
{
"node": "138f84f1-1e44-4a2f-b2cf-574f196fabb1",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"052cbe31-443a-4b3a-8429-fb775703eee0": {
"main": [
[
{
"node": "f96111be-c199-4e19-84d7-15062c5bbcae",
"type": "main",
"index": 0
}
]
]
},
"3d2ca961-b126-4b45-a87c-675128886bbb": {
"main": [
[
{
"node": "fabc6e2c-338c-4fd5-892e-a9d41eb2fbf7",
"type": "main",
"index": 0
}
],
[
{
"node": "8afb91b3-70ca-4d20-8dc0-d8e82d47b16b",
"type": "main",
"index": 0
}
],
[
{
"node": "b8d8ef38-2c99-418b-94bd-9fcd825a3a3a",
"type": "main",
"index": 0
}
]
]
},
"8afb91b3-70ca-4d20-8dc0-d8e82d47b16b": {
"main": [
[
{
"node": "d7496fcc-e8d5-45fd-94af-0190be114308",
"type": "main",
"index": 0
}
]
]
}
}
}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？
上級 - チケット管理, 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。
関連ワークフロー
Gmail からの自動返信と Linear チケット作成（GPT-5、gotoHuman、人間審査使用）
Gmailから自動返信し、Linearチケットを作成するためにGPT-5、gotoHuman、および人間の承認を使用
Set
Code
Gmail
+
Set
Code
Gmail
37 ノードgotoHuman
チケット管理
GPT-4o、Fal.ai、および人間のサポートを用いて製品AI宣伝動画を生成
GPT-4o、Fal.ai、人工が監督するプロダクト用AIビデオ制作
If
Set
Code
+
If
Set
Code
72 ノードgotoHuman
コンテンツ作成
完全な B2B セールスフロー：Apollo リード生成、Mailgun 外信、および AI 返信管理
完全なB2Bセールスフロー：Apolloリード生成、Mailgunアウト Reach、AI返信管理
If
Set
Code
+
If
Set
Code
116 ノードPaul
コンテンツ作成
OpenAI、Firecrawl、gotoHumanを使用したリード分析とパーソナライズメールの自動生成
OpenAI、Firecrawl、gotoHumanを使用したリード分析とパーソナライズされたメール生成
If
Code
Gmail
+
If
Code
Gmail
22 ノードgotoHuman
その他
AI を活用した WhatsApp カスタマーサービス（GPT-4、スマートルーティング、ナレッジベース）
AI ベースの WhatsApp カスタマー サービス (GPT-4、インテリジェント ルーティング、ナレッジ ベース)
Set
Gmail
Merge
+
Set
Gmail
Merge
45 ノードPaul
AIチャットボット
適応型メール自動返信（GPT-4、RAG、および人間フィードバックループ）
適応型メール自動返信機能（GPT-4、RAG、人間フィードバックループ）
If
Set
Gmail
+
If
Set
Gmail
38 ノードLeeWei
コンテンツ作成
ワークフロー情報
難易度
上級
ノード数24
カテゴリー2
ノードタイプ10
作成者
gotoHuman
@gotohumanApprove critical actions in gotoHuman’s customizable review interface and edit AI outputs manually or by looping back to your workflow. Ensure AI-generated content is on-brand, messages to customers are accurate, and high-stakes decisions are made by humans.
外部リンク
n8n.ioで表示 →
このワークフローを共有