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": "customer_support application_based_on_email_trigger_and_send_email_automatically",
"nodes": [
{
"parameters": {
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
},
"filters": {}
},
"type": "n8n-nodes-base.gmailTrigger",
"typeVersion": 1.2,
"position": [
-280,
120
],
"id": "d6982469-6477-4674-84b1-d7ed4cf1995a",
"name": "Gmail Trigger",
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"inputText": "={{ $json.snippet }}",
"categories": {
"categories": [
{
"category": "customer query and problem solver",
"description": "when an email is concerned with any type of query "
}
]
},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.textClassifier",
"typeVersion": 1.1,
"position": [
-60,
120
],
"id": "60701218-b953-47e4-a3ed-c5157e26af9b",
"name": "Text Classifier"
},
{
"parameters": {
"modelName": "models/gemini-2.0-flash",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"typeVersion": 1,
"position": [
28,
340
],
"id": "6e47e0f5-2612-4e1d-8df1-a01998ca321a",
"name": "Google Gemini Chat Model",
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "={{ $('Gmail Trigger').item.json.snippet }}",
"options": {
"systemMessage": "You are a helpful assistant in a history teaching app which specializes in espionage history who provides customer support to various trainers\nbe informative concise and friendly."
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 2,
"position": [
332,
120
],
"id": "a75a6e7d-dc40-459c-a9ed-8fca422d9e51",
"name": "AI Agent"
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatGroq",
"typeVersion": 1,
"position": [
316,
340
],
"id": "cfc29017-1bf4-4e0c-a43e-2ab014ae5b15",
"name": "Groq Chat Model",
"credentials": {
"groqApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "retrieve-as-tool",
"toolDescription": "retrieve documents for customer support",
"pineconeIndex": {
"__rl": true,
"value": "rishi",
"mode": "list",
"cachedResultName": "rishi"
},
"options": {
"pineconeNamespace": "rishione"
}
},
"type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
"typeVersion": 1.3,
"position": [
436,
342.5
],
"id": "82b2a12a-9630-405f-b6d5-6470604cd909",
"name": "Pinecone Vector Store",
"credentials": {
"pineconeApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {},
"type": "@n8n/n8n-nodes-langchain.embeddingsCohere",
"typeVersion": 1,
"position": [
524,
540
],
"id": "25e040fa-d2fd-4eb3-960c-cc2825a80954",
"name": "Embeddings Cohere",
"credentials": {
"cohereApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sendTo": "rishirajbal987@gmail.com",
"subject": "customer help",
"emailType": "text",
"message": "={{ $json.output }}",
"options": {}
},
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
812,
120
],
"id": "6ad2942c-bfe4-413e-9a4f-b63883a1c763",
"name": "Send a message",
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Gmail Trigger": {
"main": [
[
{
"node": "Text Classifier",
"type": "main",
"index": 0
}
]
]
},
"Google Gemini Chat Model": {
"ai_languageModel": [
[
{
"node": "Text Classifier",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Text Classifier": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
],
[]
]
},
"Groq Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Pinecone Vector Store": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Embeddings Cohere": {
"ai_embedding": [
[
{
"node": "Pinecone Vector Store",
"type": "ai_embedding",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Send a message",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "594bcd61-7fef-4049-a418-4e6fb0ce99df",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "VGqzspJe3qmuzu9W",
"tags": []
}
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.
cohereApigmailOAuth2googlePalmApigroqApipineconeApi
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About this workflow
customer_support application_based_on_email_trigger_and_send_email_automatically. Uses gmailTrigger, textClassifier, lmChatGoogleGemini, agent. Event-driven trigger; 8 nodes.
Source: https://gitlab.com/Rishirajbal/My_n8n_Workflows/-/blob/main/customer_support_application_based_on_email_trigger_and_send_email_automatically.json — original creator credit. Request a take-down →
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