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": "YouTube Comment Summarizer",
"nodes": [
{
"parameters": {
"content": "Placeholder for YouTube Comment Summarizer",
"height": 530,
"width": 1100,
"color": 5
},
"id": "2a67ad9a-dcc2-4ef0-abca-f3255d63c2d0",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-480,
-240
]
},
{
"parameters": {
"httpMethod": "POST",
"path": "youtube-comment-summarizer"
},
"id": "2fde1554-d2d7-49c3-b337-405b6c3136c9",
"name": "Webhook Trigger",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
-300,
0
]
},
{
"parameters": {
"chunkSize": 400,
"chunkOverlap": 40
},
"id": "82191399-1a68-400c-9bea-0c3a9aa2ac37",
"name": "Text Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter",
"typeVersion": 1,
"position": [
-130,
0
]
},
{
"parameters": {
"model": "text-embedding-3-small",
"options": {}
},
"id": "8a7643de-d014-4377-9055-79ee738b6231",
"name": "Embeddings",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"typeVersion": 1,
"position": [
70,
0
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "insert",
"options": {},
"pineconeIndex": {
"__rl": true,
"value": "youtube_comment_summarizer",
"mode": "list",
"cachedResultName": "youtube_comment_summarizer"
}
},
"id": "841e4571-f1c6-49e0-8520-5d4a244b057f",
"name": "Pinecone Insert",
"type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
"typeVersion": 1,
"position": [
270,
0
],
"credentials": {
"pineconeApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"pineconeIndex": {
"__rl": true,
"value": "youtube_comment_summarizer",
"mode": "list",
"cachedResultName": "youtube_comment_summarizer"
}
},
"id": "d85e823f-715b-489b-9628-61ce63cb33fe",
"name": "Pinecone Query",
"type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
"typeVersion": 1,
"position": [
270,
-180
],
"credentials": {
"pineconeApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"name": "Pinecone",
"description": "Vector context"
},
"id": "0737745f-be5b-4e98-b85b-45a3412f09e9",
"name": "Vector Tool",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"typeVersion": 1,
"position": [
450,
-180
]
},
{
"parameters": {},
"id": "b8a28d57-b2d0-4ccd-8748-d484099c2bd5",
"name": "Window Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
450,
-40
]
},
{
"parameters": {
"options": {}
},
"id": "93fe9b1d-0b94-4f3a-a864-fda08cd201ce",
"name": "Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1,
"position": [
450,
-340
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "Handle data",
"options": {
"systemMessage": "You are an assistant for YouTube Comment Summarizer"
}
},
"id": "a3218023-dcc5-4302-9506-a498a28823b4",
"name": "RAG Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1,
"position": [
720,
-40
]
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"value": "SHEET_ID",
"mode": "list",
"cachedResultName": "YouTube Comment Summarizer"
},
"sheetName": {
"__rl": true,
"value": "Log",
"mode": "list",
"cachedResultName": "Log"
},
"columns": {
"mappingMode": "defineBelow",
"value": "Status",
"schema": []
}
},
"id": "1d624247-2c74-46c5-89e4-624b0c62bb87",
"name": "Append Sheet",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4,
"position": [
930,
-40
],
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"channel": "#alerts",
"text": "YouTube Comment Summarizer error: {$json.error.message}"
},
"id": "361ae790-4e53-4a0c-8684-5a448b2ae5e9",
"name": "Slack Alert",
"type": "n8n-nodes-base.slack",
"typeVersion": 1,
"position": [
930,
120
],
"credentials": {
"slackApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Webhook Trigger": {
"main": [
[
{
"node": "Text Splitter",
"type": "main",
"index": 0
},
{
"node": "Window Memory",
"type": "main",
"index": 0
}
]
]
},
"Text Splitter": {
"main": [
[
{
"node": "Embeddings",
"type": "main",
"index": 0
}
]
],
"ai_textSplitter": [
[
{
"node": "Pinecone Insert",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Embeddings": {
"ai_embedding": [
[
{
"node": "Pinecone Insert",
"type": "ai_embedding",
"index": 0
},
{
"node": "Pinecone Query",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Pinecone Insert": {
"ai_document": [
[]
]
},
"Pinecone Query": {
"ai_vectorStore": [
[
{
"node": "Vector Tool",
"type": "ai_vectorStore",
"index": 0
}
]
]
},
"Vector Tool": {
"ai_tool": [
[
{
"node": "RAG Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Window Memory": {
"ai_memory": [
[
{
"node": "RAG Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Chat Model": {
"ai_languageModel": [
[
{
"node": "RAG Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"RAG Agent": {
"main": [
[
{
"node": "Append Sheet",
"type": "main",
"index": 0
}
]
],
"onError": [
[
{
"node": "Slack Alert",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"triggerCount": 1
}
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.
googleSheetsOAuth2ApiopenAiApipineconeApislackApi
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About this workflow
YouTube Comment Summarizer. Uses stickyNote, textSplitterCharacterTextSplitter, embeddingsOpenAi, vectorStorePinecone. Webhook trigger; 12 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →
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