This workflow follows the Agent → OpenAI Embeddings recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "Machine Downtime Predictor",
"nodes": [
{
"parameters": {
"content": "## Machine Downtime Predictor",
"height": 520,
"width": 1100
},
"id": "7f896bbc-9cf1-42d1-ba8f-61405b20a4a4",
"name": "Sticky",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-500,
-250
]
},
{
"parameters": {
"httpMethod": "POST",
"path": "machine_downtime_predictor"
},
"id": "ffc4bbb9-85fe-4960-8fa3-53a88cafde52",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
-300,
0
]
},
{
"parameters": {
"chunkSize": 400,
"chunkOverlap": 40
},
"id": "ad450e26-791c-4d9a-89c5-ad5661c3a9b5",
"name": "Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter",
"typeVersion": 1,
"position": [
-100,
0
]
},
{
"parameters": {
"model": "default"
},
"id": "c4062ad2-7672-47c9-948a-25f89de261c1",
"name": "Embeddings",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"typeVersion": 1,
"position": [
100,
0
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "insert",
"indexName": "machine_downtime_predictor"
},
"id": "dec7b9a5-bd2b-43e7-8a18-1f2ec7d1d3e0",
"name": "Insert",
"type": "@n8n/n8n-nodes-langchain.vectorStoreWeaviate",
"typeVersion": 1,
"position": [
300,
0
],
"credentials": {
"weaviateApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"indexName": "machine_downtime_predictor"
},
"id": "fdeb45dc-c7f0-44f2-bfb5-52718a9abf83",
"name": "Query",
"type": "@n8n/n8n-nodes-langchain.vectorStoreWeaviate",
"typeVersion": 1,
"position": [
300,
-180
],
"credentials": {
"weaviateApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"name": "Weaviate"
},
"id": "1ff47a2a-8135-4328-9142-d2693f9a5a87",
"name": "Tool",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"typeVersion": 1,
"position": [
480,
-180
]
},
{
"parameters": {},
"id": "43b53e28-45ff-488c-9b44-dd8abdb2e76f",
"name": "Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
480,
-40
]
},
{
"parameters": {},
"id": "24047441-486e-4d22-b380-70e80a8f6e0b",
"name": "Chat",
"type": "@n8n/n8n-nodes-langchain.lmChatAnthropic",
"typeVersion": 1,
"position": [
480,
-340
],
"credentials": {
"anthropicApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "={{ $json }}"
},
"id": "67fd1430-77da-4792-88ef-91f28201c0f0",
"name": "Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1,
"position": [
760,
-40
]
},
{
"parameters": {
"operation": "append",
"documentId": "SHEET_ID",
"sheetName": "Log"
},
"id": "924da3ec-fbe7-49a9-8494-154c2cd0dd67",
"name": "Sheet",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4,
"position": [
960,
-40
],
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Splitter",
"type": "main",
"index": 0
},
{
"node": "Memory",
"type": "main",
"index": 0
}
]
]
},
"Splitter": {
"main": [
[
{
"node": "Embeddings",
"type": "main",
"index": 0
}
]
],
"ai_textSplitter": [
[
{
"node": "Insert",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Embeddings": {
"ai_embedding": [
[
{
"node": "Insert",
"type": "ai_embedding",
"index": 0
},
{
"node": "Query",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Insert": {
"ai_document": [
[]
]
},
"Query": {
"ai_vectorStore": [
[
{
"node": "Tool",
"type": "ai_vectorStore",
"index": 0
}
]
]
},
"Tool": {
"ai_tool": [
[
{
"node": "Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Memory": {
"ai_memory": [
[
{
"node": "Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Chat": {
"ai_languageModel": [
[
{
"node": "Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Agent": {
"main": [
[
{
"node": "Sheet",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
anthropicApigoogleSheetsOAuth2ApiopenAiApiweaviateApi
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About this workflow
Machine Downtime Predictor. Uses stickyNote, textSplitterCharacterTextSplitter, embeddingsOpenAi, vectorStoreWeaviate. Webhook trigger; 11 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →
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