RAGベースのLLMチャットボット
上級
これはAI RAG, Multimodal AI分野の自動化ワークフローで、17個のノードを含みます。主にGoogleDrive, Agent, GoogleDriveTrigger, ChatTrigger, LmChatOpenAiなどのノードを使用。 RAG、Pineconeベクターデータベース、OpenAIを使用して企業方針チャットボットを作成
前提条件
- •Google Drive API認証情報
- •OpenAI API Key
- •Pinecone API Key
使用ノード (17)
カテゴリー
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
{
"id": "ijORqghBWmOcVaCd",
"meta": {
"instanceId": "87616dfce72ffd690a51f4d408ac3b27a946f12a1119e0e281f5ed271497219e",
"templateCredsSetupCompleted": true
},
"name": "ChatBot For RAG Based LLMs",
"tags": [],
"nodes": [
{
"id": "93879f6c-0d57-4049-9e42-44d906160eb6",
"name": "チャットメッセージ受信時",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-440,
-300
],
"webhookId": "ba6e0e80-df72-4993-a938-16604c978e0b",
"parameters": {
"public": true,
"options": {}
},
"typeVersion": 1.1
},
{
"id": "688546eb-decc-4d88-b991-e6851d00d3c3",
"name": "AIエージェント",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-80,
-300
],
"parameters": {
"options": {
"systemMessage": "=You are an AI assistant specialized in analyzing user queries and retreive the data using pine cone vectore store via Vectore store QnA Tool. \n\nYour primary task is to answer questions accurately and precisely using the vector database, which contains relevant documents.\n\nOnly provide information that you retrieve from the documents (or verified expert knowledge). If something is not included in the dataset or is unclear, clearly state that you do not have sufficient information.\n\nStructure of your responses:\n• Concise and to the point\n• Specific numbers and facts, when available\n• Clearly indicate which quarterly tax deduction with the information comes from\n\nObjective:\nProvide users with reliable and quick insights to user questions without unnecessary details."
}
},
"typeVersion": 2
},
{
"id": "47d5f4e0-45e6-4a75-8250-76277a33addd",
"name": "OpenAI チャットモデル",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-220,
-60
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "qlhg6EzexBZ9bwXO",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "c5e00f0e-2494-443d-9ff5-ab476f174fda",
"name": "シンプルメモリ",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
20,
80
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "5bdc6723-18e4-4637-b31e-2b7a722c2d30",
"name": "Pinecone ベクトルストア",
"type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
"position": [
300,
80
],
"parameters": {
"options": {
"pineconeNamespace": "<yourNameSpace>"
},
"pineconeIndex": {
"__rl": true,
"mode": "list",
"value": "n8ntest",
"cachedResultName": "n8ntest"
}
},
"credentials": {
"pineconeApi": {
"id": "PJJqeU0YnPNhhvLk",
"name": "PineconeApi account"
}
},
"typeVersion": 1.2
},
{
"id": "c9325bbd-95ee-49b6-80e3-b8eb18a3044e",
"name": "OpenAI 埋め込み",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
320,
240
],
"parameters": {
"options": {
"batchSize": 512,
"dimensions": 512
}
},
"credentials": {
"openAiApi": {
"id": "qlhg6EzexBZ9bwXO",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "1752c787-78f3-4c03-a44a-f619358b002b",
"name": "計算機",
"type": "@n8n/n8n-nodes-langchain.toolCalculator",
"position": [
760,
-120
],
"parameters": {},
"typeVersion": 1
},
{
"id": "c5130a15-b2fa-4c96-b890-6cda5a5d1e8a",
"name": "Google ドライブトリガー",
"type": "n8n-nodes-base.googleDriveTrigger",
"position": [
-1960,
-240
],
"parameters": {
"event": "fileCreated",
"options": {},
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
},
"triggerOn": "specificFolder",
"folderToWatch": {
"__rl": true,
"mode": "list",
"value": "18ElQ-fxK0zXX5Ahx1lk80OXnAJ9NwvHl",
"cachedResultUrl": "https://drive.google.com/drive/folders/18ElQ-fxK0zXX5Ahx1lk80OXnAJ9NwvHl",
"cachedResultName": "n8n"
}
},
"credentials": {
"googleDriveOAuth2Api": {
"id": "xFTXDFHVEmRlrR5e",
"name": "Google Drive account 2"
}
},
"typeVersion": 1
},
{
"id": "e918feee-188e-42c7-8012-09614b6d73a4",
"name": "Google ドライブ",
"type": "n8n-nodes-base.googleDrive",
"position": [
-1740,
-240
],
"parameters": {
"fileId": {
"__rl": true,
"mode": "list",
"value": "1AWznNmqjEyztSOFYG9PgKOYX_GfJvI-P",
"cachedResultUrl": "https://drive.google.com/file/d/1AWznNmqjEyztSOFYG9PgKOYX_GfJvI-P/view?usp=drivesdk",
"cachedResultName": "income-tax-bill-2025.pdf"
},
"options": {},
"operation": "download"
},
"credentials": {
"googleDriveOAuth2Api": {
"id": "xFTXDFHVEmRlrR5e",
"name": "Google Drive account 2"
}
},
"typeVersion": 3
},
{
"id": "f2da487d-cbda-478d-8a38-b4c2a920dbaf",
"name": "デフォルトデータローダー",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
-1140,
40
],
"parameters": {
"loader": "pdfLoader",
"options": {},
"dataType": "binary"
},
"typeVersion": 1
},
{
"id": "0ce84124-e903-4b41-a9dc-2b701efbeeaf",
"name": "再帰的文字テキスト分割器",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
-1120,
220
],
"parameters": {
"options": {
"splitCode": "markdown"
},
"chunkOverlap": 50
},
"typeVersion": 1
},
{
"id": "c6fff7f0-d215-4d25-8e4e-bcd5cc200330",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2020,
-600
],
"parameters": {
"width": 940,
"height": 280,
"content": "## Data Loader\n- #### GDrive - Trigger \n This node will trigger for every minute and retrieve details for any change to the folder.\n- #### GDrive - Trigger\n This node will download the latest changes from GDrive and pass them to pin cone vector store\n- #### PineCone Vector Store\n Here, we are actually storing the files by splitting them by leveraging the capabilities of default data loader. \n\n\n"
},
"typeVersion": 1
},
{
"id": "abab349f-8cb4-489e-8a94-d369f89db0e0",
"name": "Pineconeベクトルストア",
"type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
"position": [
-1480,
-240
],
"parameters": {
"mode": "insert",
"options": {
"pineconeNamespace": "[YouNameSpace]"
},
"pineconeIndex": {
"__rl": true,
"mode": "list",
"value": "n8ntest",
"cachedResultName": "n8ntest"
}
},
"credentials": {
"pineconeApi": {
"id": "PJJqeU0YnPNhhvLk",
"name": "PineconeApi account"
}
},
"typeVersion": 1.2
},
{
"id": "9cee9812-3cc7-4d3f-b7be-6d02b8f7ca3e",
"name": "OpenAI 埋め込み",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
-1480,
0
],
"parameters": {
"options": {
"batchSize": 512,
"dimensions": 512
}
},
"credentials": {
"openAiApi": {
"id": "qlhg6EzexBZ9bwXO",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "401070d0-b61c-4fd4-9139-f82624e4d7fc",
"name": "付箋1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-500,
-500
],
"parameters": {
"color": 4,
"width": 940,
"height": 180,
"content": "## Data Retrieval\nWe have an AI Agent that connects to Vector Store and Retrieve the required information to the user questions. \n\nThis connects to Vector Store QnA tool which then further connects to Vector Store to fetch the information and share to Ai Agent for further processing. "
},
"typeVersion": 1
},
{
"id": "82fe4b78-b7d9-4ee1-a319-eb6e44d013dd",
"name": "ベクトルストアQnA",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"position": [
380,
-100
],
"parameters": {
"description": "Returns documents related to company polices and everything important from those policy documents"
},
"typeVersion": 1.1
},
{
"id": "84e007f0-7bfe-4788-900b-9a73376a1318",
"name": "OpenAI チャットモデル2",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
780,
60
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "qlhg6EzexBZ9bwXO",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "74b8ed97-4177-4d50-ae41-856da7e16a43",
"connections": {
"1752c787-78f3-4c03-a44a-f619358b002b": {
"ai_tool": [
[
{
"node": "688546eb-decc-4d88-b991-e6851d00d3c3",
"type": "ai_tool",
"index": 0
}
]
]
},
"e918feee-188e-42c7-8012-09614b6d73a4": {
"main": [
[
{
"node": "abab349f-8cb4-489e-8a94-d369f89db0e0",
"type": "main",
"index": 0
}
]
]
},
"c5e00f0e-2494-443d-9ff5-ab476f174fda": {
"ai_memory": [
[
{
"node": "688546eb-decc-4d88-b991-e6851d00d3c3",
"type": "ai_memory",
"index": 0
}
]
]
},
"82fe4b78-b7d9-4ee1-a319-eb6e44d013dd": {
"ai_tool": [
[
{
"node": "688546eb-decc-4d88-b991-e6851d00d3c3",
"type": "ai_tool",
"index": 0
}
]
]
},
"9cee9812-3cc7-4d3f-b7be-6d02b8f7ca3e": {
"ai_embedding": [
[
{
"node": "abab349f-8cb4-489e-8a94-d369f89db0e0",
"type": "ai_embedding",
"index": 0
}
]
]
},
"47d5f4e0-45e6-4a75-8250-76277a33addd": {
"ai_languageModel": [
[
{
"node": "688546eb-decc-4d88-b991-e6851d00d3c3",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"84e007f0-7bfe-4788-900b-9a73376a1318": {
"ai_languageModel": [
[
{
"node": "82fe4b78-b7d9-4ee1-a319-eb6e44d013dd",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"f2da487d-cbda-478d-8a38-b4c2a920dbaf": {
"ai_document": [
[
{
"node": "abab349f-8cb4-489e-8a94-d369f89db0e0",
"type": "ai_document",
"index": 0
}
]
]
},
"c5130a15-b2fa-4c96-b890-6cda5a5d1e8a": {
"main": [
[
{
"node": "e918feee-188e-42c7-8012-09614b6d73a4",
"type": "main",
"index": 0
}
]
]
},
"5bdc6723-18e4-4637-b31e-2b7a722c2d30": {
"ai_vectorStore": [
[
{
"node": "82fe4b78-b7d9-4ee1-a319-eb6e44d013dd",
"type": "ai_vectorStore",
"index": 0
}
]
]
},
"93879f6c-0d57-4049-9e42-44d906160eb6": {
"main": [
[
{
"node": "688546eb-decc-4d88-b991-e6851d00d3c3",
"type": "main",
"index": 0
}
]
]
},
"0ce84124-e903-4b41-a9dc-2b701efbeeaf": {
"ai_textSplitter": [
[
{
"node": "f2da487d-cbda-478d-8a38-b4c2a920dbaf",
"type": "ai_textSplitter",
"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 - AI RAG検索拡張, 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
上級
ノード数17
カテゴリー2
ノードタイプ13
作成者
Pramod Kumar Rathoure
@prathoureDesign and build custom n8n workflows that:\n ⚡ Eliminate repetitive work 📊 Integrate tools like Google Workspace, CRMs, and APIs ✅ Deliver faster, error-free results I create solutions that save time, boost accuracy, and let teams focus on high-value work. For me, automation isn’t just about technology—it’s about freeing people from busywork so they can do what matters most. let’s talk—I can help you turn them into smooth, automated workflows.
外部リンク
n8n.ioで表示 →
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