This workflow follows the Agent → Cohere 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": "Quiz Auto Grader",
"nodes": [
{
"parameters": {
"content": "Automated workflow: Quiz Auto Grader",
"height": 530,
"width": 1100,
"color": 5
},
"id": "52dc6fbe-f7af-43a8-9226-241e163e6bbf",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-480,
-240
]
},
{
"parameters": {
"httpMethod": "POST",
"path": "quiz-auto-grader"
},
"id": "f25da8be-15a9-4fe8-b28c-5343b8a88f29",
"name": "Webhook Trigger",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
-300,
0
]
},
{
"parameters": {
"chunkSize": 400,
"chunkOverlap": 40
},
"id": "62c88abc-3c7d-4fac-9166-2b6d785992f7",
"name": "Text Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter",
"typeVersion": 1,
"position": [
-130,
0
]
},
{
"parameters": {
"model": "embed-english-v3.0",
"options": {}
},
"id": "ccd8538c-3116-41de-97bb-77e5ef4e6c70",
"name": "Embeddings",
"type": "@n8n/n8n-nodes-langchain.embeddingsCohere",
"typeVersion": 1,
"position": [
70,
0
],
"credentials": {
"cohereApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "insert",
"options": {},
"pineconeIndex": {
"__rl": true,
"value": "quiz_auto_grader",
"mode": "list",
"cachedResultName": "quiz_auto_grader"
}
},
"id": "b28de69a-1f40-4fa8-bc16-62541d526207",
"name": "Pinecone Insert",
"type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
"typeVersion": 1,
"position": [
270,
0
],
"credentials": {
"pineconeApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"pineconeIndex": {
"__rl": true,
"value": "quiz_auto_grader",
"mode": "list",
"cachedResultName": "quiz_auto_grader"
}
},
"id": "ab2f14e2-be2d-4512-88ee-3ebdacc3d599",
"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": "73dd9881-3272-4e9a-a422-edf99d78f40a",
"name": "Vector Tool",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"typeVersion": 1,
"position": [
450,
-180
]
},
{
"parameters": {},
"id": "3e44774a-5dcd-4e4f-9b4b-94f4fe9ba8cd",
"name": "Window Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
450,
-40
]
},
{
"parameters": {
"options": {}
},
"id": "fdb6fb02-28f6-4bac-8502-699dc8723223",
"name": "Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1,
"position": [
450,
-340
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "Process the following data for task 'Quiz Auto Grader':\n\n{{ $json }}",
"options": {
"systemMessage": "You are an assistant for Quiz Auto Grader"
}
},
"id": "1940fa89-ede4-4c27-82fb-7678cff0df54",
"name": "RAG Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1,
"position": [
720,
-40
]
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"value": "SHEET_ID",
"mode": "list",
"cachedResultName": "Quiz Auto Grader"
},
"sheetName": {
"__rl": true,
"value": "Log",
"mode": "list",
"cachedResultName": "Log"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"Status": "={{$json[\"RAG Agent\"].text}}"
},
"schema": []
}
},
"id": "a3db64cb-9ea7-4a36-8463-219917f66358",
"name": "Append Sheet",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4,
"position": [
930,
-40
],
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"channel": "#alerts",
"text": "Quiz Auto Grader error: {$json.error.message}"
},
"id": "94d962e2-f5e4-40a1-a075-96e8e9858b32",
"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.
cohereApigoogleSheetsOAuth2ApiopenAiApipineconeApislackApi
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About this workflow
Quiz Auto Grader. Uses stickyNote, textSplitterCharacterTextSplitter, embeddingsCohere, vectorStorePinecone. Webhook trigger; 12 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →
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