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": "Medication SMS Reminder",
"nodes": [
{
"parameters": {
"content": "Automated workflow: Medication SMS Reminder",
"height": 530,
"width": 1100,
"color": 5
},
"id": "e375f277-fe00-4b84-9ea1-e857a74bbae2",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-480,
-240
]
},
{
"parameters": {
"httpMethod": "POST",
"path": "medication-sms-reminder"
},
"id": "4c5aa5e0-752e-48f0-ae94-be8888892e7d",
"name": "Webhook Trigger",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
-300,
0
]
},
{
"parameters": {
"chunkSize": 400,
"chunkOverlap": 40
},
"id": "7cd06a1f-b407-4b53-8061-a53487bbfffa",
"name": "Text Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter",
"typeVersion": 1,
"position": [
-130,
0
]
},
{
"parameters": {
"model": "embed-english-v3.0",
"options": {}
},
"id": "738d34ba-e6b6-4e3a-9248-ef1f4818c3ba",
"name": "Embeddings",
"type": "@n8n/n8n-nodes-langchain.embeddingsCohere",
"typeVersion": 1,
"position": [
70,
0
],
"credentials": {
"cohereApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "insert",
"options": {},
"indexName": "medication_sms_reminder"
},
"id": "a3f0b3e4-fc10-483f-ba86-f538f8519828",
"name": "Supabase Insert",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"typeVersion": 1,
"position": [
270,
0
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"indexName": "medication_sms_reminder"
},
"id": "3e00b69e-4134-4228-a940-4007fe485227",
"name": "Supabase Query",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"typeVersion": 1,
"position": [
270,
-180
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"name": "Supabase",
"description": "Vector context"
},
"id": "fcba2e14-0747-4adb-903d-a2965f7279ba",
"name": "Vector Tool",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"typeVersion": 1,
"position": [
450,
-180
]
},
{
"parameters": {},
"id": "c85c12f3-bb6b-4783-bc85-f7b25e195654",
"name": "Window Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
450,
-40
]
},
{
"parameters": {
"options": {}
},
"id": "ae92f4c9-30d7-40c8-858b-3ac32a9e84cb",
"name": "Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatAnthropic",
"typeVersion": 1,
"position": [
450,
-340
],
"credentials": {
"anthropicApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "Process the following data for task 'Medication SMS Reminder':\n\n{{ $json }}",
"options": {
"systemMessage": "You are an assistant for Medication SMS Reminder"
}
},
"id": "8d120bef-6619-4313-8b3b-2739626f4d4b",
"name": "RAG Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1,
"position": [
720,
-40
]
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"value": "SHEET_ID",
"mode": "list",
"cachedResultName": "Medication SMS Reminder"
},
"sheetName": {
"__rl": true,
"value": "Log",
"mode": "list",
"cachedResultName": "Log"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"Status": "={{$json[\"RAG Agent\"].text}}"
},
"schema": []
}
},
"id": "55d8515a-e6d8-4338-82a8-6bc053f4b81a",
"name": "Append Sheet",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4,
"position": [
930,
-40
],
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"channel": "#alerts",
"text": "Medication SMS Reminder error: {$json.error.message}"
},
"id": "0c856440-0210-4401-8a19-4e3033cda466",
"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": "Supabase Insert",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Embeddings": {
"ai_embedding": [
[
{
"node": "Supabase Insert",
"type": "ai_embedding",
"index": 0
},
{
"node": "Supabase Query",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Supabase Insert": {
"ai_document": [
[]
]
},
"Supabase 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.
anthropicApicohereApigoogleSheetsOAuth2ApislackApisupabaseApi
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About this workflow
Medication SMS Reminder. Uses stickyNote, textSplitterCharacterTextSplitter, embeddingsCohere, vectorStoreSupabase. Webhook trigger; 12 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →
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