RAG Workflow For Company Documents stored in Google Drive

{"id": "7cXvgkl9170QXzT2", "meta": {"instanceId": "69133932b9ba8e1ef14816d0b63297bb44feb97c19f759b5d153ff6b0c59e18d", "templateCredsSetupCompleted": true}, "name": "RAG Workflow For Company Documents stored in Google Drive", "tags": [], "nodes": [{"id": "753455a3-ddc8-4a74-b043-70a0af38ff9e", "name": "Pinecone Vector Store", "type": "@n8n/n8n-nodes-langchain.vectorStorePinecone", "position": [680, 0], "parameters": {"mode": "insert", "options": {}, "pineconeIndex": {"__rl": true, "mode": "list", "value": "company-files", "cachedResultName": "company-files"}}, "credentials": {"pineconeApi": {"id": "", "name": "[Your pineconeApi]"}}, "typeVersion": 1}, {"id": "a7c8fa7f-cad2-4497-a295-30aa2e98cacc", "name": "Embeddings Google Gemini", "type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini", "position": [640, 280], "parameters": {"modelName": "models/text-embedding-004"}, "credentials": {"googlePalmApi": {"id": "", "name": "[Your googlePalmApi]"}}, "typeVersion": 1}, {"id": "215f0519-4359-4e4b-a90c-7e54b1cc52b5", "name": "Default Data Loader", "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader", "position": [840, 220], "parameters": {"options": {}, "dataType": "binary", "binaryMode": "specificField"}, "typeVersion": 1}, {"id": "863d3d1d-1621-406e-8320-688f64b07b09", "name": "Recursive Character Text Splitter", "type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter", "position": [820, 420], "parameters": {"options": {}, "chunkOverlap": 100}, "typeVersion": 1}, {"id": "5af1efb1-ea69-466e-bb3b-2b7e6b1ceef7", "name": "AI Agent", "type": "@n8n/n8n-nodes-langchain.agent", "position": [420, 840], "parameters": {"options": {"systemMessage": "You are a helpful HR assistant designed to answer employee questions based on company policies.\n\nRetrieve relevant information from the provided internal documents and provide a concise, accurate, and informative answer to the employee's question.\n\nUse the tool called \"company_documents_tool\" to retrieve any information from the company's documents.\n\nIf the answer cannot be found in the provided documents, respond with \"I cannot find the answer in the available resources.\""}}, "typeVersion": 1.7}, {"id": "825632ac-1edf-4e63-948d-b1a498b2b962", "name": "Vector Store Tool", "type": "@n8n/n8n-nodes-langchain.toolVectorStore", "position": [820, 1060], "parameters": {"name": "company_documents_tool", "description": "Retrieve information from any company documents"}, "typeVersion": 1}, {"id": "72d2f685-bcc3-4e62-a5e3-72c0fe65f8e8", "name": "Pinecone Vector Store (Retrieval)", "type": "@n8n/n8n-nodes-langchain.vectorStorePinecone", "position": [720, 1240], "parameters": {"options": {}, "pineconeIndex": {"__rl": true, "mode": "list", "value": "company-files", "cachedResultName": "company-files"}}, "credentials": {"pineconeApi": {"id": "", "name": "[Your pineconeApi]"}}, "typeVersion": 1}, {"id": "eeff81cb-6aec-4e7f-afe0-432d87085fb2", "name": "Embeddings Google Gemini (retrieval)", "type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini", "position": [700, 1400], "parameters": {"modelName": "models/text-embedding-004"}, "credentials": {"googlePalmApi": {"id": "", "name": "[Your googlePalmApi]"}}, "typeVersion": 1}, {"id": "8bb6ebb1-1deb-498b-8da4-b809a736e097", "name": "Download File From Google Drive", "type": "n8n-nodes-base.googleDrive", "position": [460, 0], "parameters": {"fileId": {"__rl": true, "mode": "id", "value": "={{ $json.id }}"}, "options": {"fileName": "={{ $json.name }}"}, "operation": "download"}, "credentials": {"googleDriveOAuth2Api": {"id": "", "name": "[Your googleDriveOAuth2Api]"}}, "typeVersion": 3}, {"id": "bd83bacf-dff1-4b7c-af5c-b249fb16c113", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [420, 660], "parameters": {"content": "## Chat with company documents"}, "typeVersion": 1}, {"id": "7b90daab-0fb2-4c8a-93e6-b138bb04f282", "name": "Google Drive File Updated", "type": "n8n-nodes-base.googleDriveTrigger", "position": [140, 140], "parameters": {"event": "fileUpdated", "options": {}, "pollTimes": {"item": [{"mode": "everyMinute"}]}, "triggerOn": "specificFolder", "folderToWatch": {"__rl": true, "mode": "list", "value": "1evDIoHePhjw_LgVFZXSZyK1sZm2GHp9W", "cachedResultUrl": "https://drive.google.com/drive/folders/1evDIoHePhjw_LgVFZXSZyK1sZm2GHp9W", "cachedResultName": "INNOVI PRO"}}, "credentials": {"googleDriveOAuth2Api": {"id": "", "name": "[Your googleDriveOAuth2Api]"}}, "typeVersion": 1}, {"id": "3a6c6cef-7a19-42ef-8092-eaf57dae4cdd", "name": "Google Drive File Created", "type": "n8n-nodes-base.googleDriveTrigger", "position": [140, -120], "parameters": {"event": "fileCreated", "options": {"fileType": "all"}, "pollTimes": {"item": [{"mode": "everyMinute"}]}, "triggerOn": "specificFolder", "folderToWatch": {"__rl": true, "mode": "list", "value": "1evDIoHePhjw_LgVFZXSZyK1sZm2GHp9W", "cachedResultUrl": "https://drive.google.com/drive/folders/1evDIoHePhjw_LgVFZXSZyK1sZm2GHp9W", "cachedResultName": "INNOVI PRO"}}, "credentials": {"googleDriveOAuth2Api": {"id": "", "name": "[Your googleDriveOAuth2Api]"}}, "typeVersion": 1}, {"id": "1e38f1c8-7bd0-4eeb-addc-62339582d350", "name": "Window Buffer Memory", "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow", "position": [500, 1140], "parameters": {}, "typeVersion": 1.3}, {"id": "4b0ab858-99b1-4337-8c5c-a223519e3662", "name": "When chat message received", "type": "@n8n/n8n-nodes-langchain.chatTrigger", "position": [80, 840], "webhookId": "5f1c0c82-0ff9-40c7-9e2e-b1a96ffe24cd", "parameters": {"options": {}}, "typeVersion": 1.1}, {"id": "bfb684d1-e5c1-41da-8305-b2606a2eade6", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [440, -240], "parameters": {"width": 320, "content": "## Add docuemnts to vector store when updating or creating new documents in Google Drive"}, "typeVersion": 1}, {"id": "8f627ec6-4b3f-43ad-a4a3-e2b199a7fe58", "name": "Google Gemini Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini", "position": [320, 1140], "parameters": {"options": {}, "modelName": "models/gemini-2.0-flash-exp"}, "credentials": {"googlePalmApi": {"id": "", "name": "[Your googlePalmApi]"}}, "typeVersion": 1}, {"id": "f2133a06-0088-46de-9f74-a3f9fe478f98", "name": "Google Gemini Chat Model (retrieval)", "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini", "position": [1080, 1240], "parameters": {"options": {}, "modelName": "models/gemini-2.0-flash-exp"}, "credentials": {"googlePalmApi": {"id": "", "name": "[Your googlePalmApi]"}}, "typeVersion": 1}, {"id": "578deb96-8393-4850-9757-fa97b2bc9992", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [-540, 220], "parameters": {"width": 420, "height": 720, "content": "## Set up steps\n\n1. Google Cloud Project and Vertex AI API:\n* Create a Google Cloud project.\n* Enable the Vertex AI API for your project.\n2. Google AI API Key:\n* Obtain a Google AI API key from Google AI Studio.\n3. Pinecone Account:\n* Create a free account on the Pinecone website.\nObtain your API key from your Pinecone dashboard.\n* Create an index named company-files in your Pinecone project.\n4. Google Drive:\n* Create a dedicated folder in your Google Drive where company documents will be stored.\n5. Credentials in n8n: Configure credentials in your n8n environment for:\n* Google Drive OAuth2\n* Google Gemini(PaLM) Api (using your Google AI API key)\n* Pinecone API (using your Pinecone API key)\n5. Import the Workflow:\n* Import this workflow into your n8n instance.\n6. Configure the Workflow:\n* Update both Google Drive Trigger nodes to watch the specific folder you created in your Google Drive.\n* Configure the Pinecone Vector Store nodes to use your company-files index."}, "typeVersion": 1}], "active": false, "pinData": {}, "settings": {"executionOrder": "v1"}, "versionId": "33b252fb-5d87-4a29-a0a7-97308140699c", "connections": {"AI Agent": {"main": [[]]}, "Vector Store Tool": {"ai_tool": [[{"node": "AI Agent", "type": "ai_tool", "index": 0}]]}, "Default Data Loader": {"ai_document": [[{"node": "Pinecone Vector Store", "type": "ai_document", "index": 0}]]}, "Window Buffer Memory": {"ai_memory": [[{"node": "AI Agent", "type": "ai_memory", "index": 0}]]}, "Pinecone Vector Store": {"main": [[]]}, "Embeddings Google Gemini": {"ai_embedding": [[{"node": "Pinecone Vector Store", "type": "ai_embedding", "index": 0}]]}, "Google Gemini Chat Model": {"ai_languageModel": [[{"node": "AI Agent", "type": "ai_languageModel", "index": 0}]]}, "Google Drive File Created": {"main": [[{"node": "Download File From Google Drive", "type": "main", "index": 0}]]}, "Google Drive File Updated": {"main": [[{"node": "Download File From Google Drive", "type": "main", "index": 0}]]}, "When chat message received": {"main": [[{"node": "AI Agent", "type": "main", "index": 0}]]}, "Download File From Google Drive": {"main": [[{"node": "Pinecone Vector Store", "type": "main", "index": 0}]]}, "Pinecone Vector Store (Retrieval)": {"ai_vectorStore": [[{"node": "Vector Store Tool", "type": "ai_vectorStore", "index": 0}]]}, "Recursive Character Text Splitter": {"ai_textSplitter": [[{"node": "Default Data Loader", "type": "ai_textSplitter", "index": 0}]]}, "Embeddings Google Gemini (retrieval)": {"ai_embedding": [[{"node": "Pinecone Vector Store (Retrieval)", "type": "ai_embedding", "index": 0}]]}, "Google Gemini Chat Model (retrieval)": {"ai_languageModel": [[{"node": "Vector Store Tool", "type": "ai_languageModel", "index": 0}]]}}}