This workflow follows the OpenAI Embeddings → Supabase Vector Store 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 →
{
"id": "oowUGM7ey6gWxzEG",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "MCP_SUPABASE_AGENT",
"tags": [],
"nodes": [
{
"id": "135ceeee-77cd-479f-a0b4-dd72abe23ac4",
"name": "MCP_SUPABASE",
"type": "@n8n/n8n-nodes-langchain.mcpTrigger",
"position": [
-1460,
1180
],
"parameters": {
"path": "affff59c-9c5c-4a07-b531-616c1d631601"
},
"typeVersion": 1
},
{
"id": "b25040a8-2d70-4d3a-ba58-b8c7164d375e",
"name": "RAG",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"position": [
1240,
760
],
"parameters": {
"mode": "retrieve-as-tool",
"topK": 5,
"options": {},
"toolName": "ITERACOES",
"tableName": {
"__rl": true,
"mode": "list",
"value": "documents",
"cachedResultName": "documents"
},
"toolDescription": "lembra das interacoes e consulta as instrucoes do system como assim tambem vai guardando o que aprende"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "081035c0-ecc2-4924-8f07-da4cbb69fb06",
"name": "Embeddings OpenAI",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
1500,
960
],
"parameters": {
"model": "text-embedding-ada-002",
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "361e0a74-b386-4e03-9e7b-5f435f0d8c5f",
"name": "Sticky Note",
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"position": [
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],
"parameters": {
"width": 1380,
"height": 520,
"content": "## AGENT_MESSAGE\n"
},
"typeVersion": 1
},
{
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],
"parameters": {
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"height": 520,
"content": "## AGENT_TASK\n"
},
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},
{
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"height": 520,
"content": "## AGENT_STATUS\n\n\n"
},
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{
"id": "7adc4cd9-cbac-4922-b928-f0b556d6f839",
"name": "Sticky Note3",
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"position": [
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],
"parameters": {
"width": 1380,
"height": 520,
"content": "## AGENT_KNOWLEDGE\n\n"
},
"typeVersion": 1
},
{
"id": "7680abd0-d5f1-41db-96ad-d64c1b857032",
"name": "DELETE_ROW_INSCRICOES_CURSOS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
260,
2020
],
"parameters": {
"tableId": "agent_knowledge",
"operation": "delete"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "5c752cf4-6dde-49d9-9328-2ed0731c6d7a",
"name": "GET_ROW_AGENT_MESSAGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
80,
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],
"parameters": {
"tableId": "agent_messages",
"operation": "get"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "f65e9fd3-a656-473c-a7af-217d9b041aa7",
"name": "CREATE_ROW_AGENT_MESSAGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
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],
"parameters": {
"tableId": "agent_messages"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "61269957-e6ac-4e5b-adb0-fd610cdff8aa",
"name": "DELETE_ROW_AGENT_MESSAGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
260,
260
],
"parameters": {
"tableId": "agent_messages",
"operation": "delete"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "52db9de5-5610-4b2d-9194-e1551b95a4e6",
"name": "UPDATE_ROW_AGENT_MESSAGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
440,
260
],
"parameters": {
"tableId": "agent_messages",
"operation": "update"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "b43aaea6-7841-4848-9228-2be6dd07a03f",
"name": "GET_MANY_ROW_AGENT_MESSAGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
620,
260
],
"parameters": {
"limit": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Limit', ``, 'number') }}",
"tableId": "agent_messages",
"operation": "getAll"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "c5347c5e-f9cb-40aa-bca5-249e8c220839",
"name": "CREATE_ROW_AGENT_TASKS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
-100,
840
],
"parameters": {
"tableId": "agent_tasks"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "85e3c8e1-6a75-40ce-a344-4a8fd3a1ae16",
"name": "GET_ROW_AGENT_TASKS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
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],
"parameters": {
"tableId": "agent_tasks",
"operation": "get"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "7dacc138-a3aa-4483-a79c-5f2eee915c72",
"name": "DELETE_ROW_AGENT_TASKS",
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"position": [
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],
"parameters": {
"tableId": "agent_tasks",
"operation": "delete"
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"credentials": {
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"name": "<your credential>"
}
},
"typeVersion": 1
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{
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"type": "n8n-nodes-base.supabaseTool",
"position": [
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],
"parameters": {
"tableId": "agent_tasks",
"operation": "update"
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"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "ed9cc573-764c-4cda-82f4-796851b16fba",
"name": "GET_MANY_ROW_AGENT_TASKS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
620,
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],
"parameters": {
"limit": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Limit', ``, 'number') }}",
"tableId": "agent_tasks",
"operation": "getAll"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "d3412d90-6025-4db5-a845-8b1ea6070ea3",
"name": "CREATE_ROW_AGENT_STATUS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
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],
"parameters": {
"tableId": "agent_status"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "843a2b92-8fb4-4453-9517-b37e07148f52",
"name": "GET_ROW_AGENT_STATUS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
80,
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],
"parameters": {
"tableId": "agent_status",
"operation": "get"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "9a075b33-23fa-487c-b139-41e7e4794831",
"name": "DELETE_ROW_AGENT_STATUS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
260,
1440
],
"parameters": {
"tableId": "agent_status",
"operation": "delete"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "a066b99d-15f4-4c3e-bab6-4423b749bb74",
"name": "UPDATE_ROW_AGENT_STATUS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
440,
1440
],
"parameters": {
"tableId": "agent_status",
"operation": "update"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "be9930a8-4e01-4823-a0be-4adfd06dd29c",
"name": "GET_MANY_ROW_AGENT_STATUS",
"type": "n8n-nodes-base.supabaseTool",
"position": [
620,
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],
"parameters": {
"limit": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Limit', ``, 'number') }}",
"tableId": "agent_status",
"operation": "getAll"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "01fbbe34-81e7-4017-a10e-ef7137024d6a",
"name": "CREATE_ROW_AGENT_KNOWLEDGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
-100,
2020
],
"parameters": {
"tableId": "agent_knowledge"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "5ba9e5eb-76bb-499c-b93b-5cca7286259b",
"name": "GET_ROW_AGENT_KNOWLEDGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
80,
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],
"parameters": {
"tableId": "agent_knowledge",
"operation": "get"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "a25cef14-0cf0-4ded-81f0-cde300f74432",
"name": "UPDATE_ROW_INSCRICOES_AGENT_KNOWLEDGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
440,
2020
],
"parameters": {
"tableId": "agent_knowledge",
"operation": "update"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "1c1fae2e-97f9-449f-913a-8ac730c1f145",
"name": "GET_MANY_ROW_AGENT_KNOWLEDGE",
"type": "n8n-nodes-base.supabaseTool",
"position": [
620,
2020
],
"parameters": {
"limit": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Limit', ``, 'number') }}",
"tableId": "agent_knowledge",
"operation": "getAll"
},
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "d32edd9b-7508-45a9-adcc-049543647145",
"connections": {
"RAG": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"Embeddings OpenAI": {
"ai_embedding": [
[
{
"node": "RAG",
"type": "ai_embedding",
"index": 0
}
]
]
},
"GET_ROW_AGENT_TASKS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"GET_ROW_AGENT_STATUS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"GET_ROW_AGENT_MESSAGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"CREATE_ROW_AGENT_TASKS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"DELETE_ROW_AGENT_TASKS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"UPDATE_ROW_AGENT_TASKS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"CREATE_ROW_AGENT_STATUS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"DELETE_ROW_AGENT_STATUS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"GET_ROW_AGENT_KNOWLEDGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"UPDATE_ROW_AGENT_STATUS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"CREATE_ROW_AGENT_MESSAGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"DELETE_ROW_AGENT_MESSAGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"GET_MANY_ROW_AGENT_TASKS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"UPDATE_ROW_AGENT_MESSAGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"GET_MANY_ROW_AGENT_STATUS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"CREATE_ROW_AGENT_KNOWLEDGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"GET_MANY_ROW_AGENT_MESSAGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"DELETE_ROW_INSCRICOES_CURSOS": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"GET_MANY_ROW_AGENT_KNOWLEDGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
},
"UPDATE_ROW_INSCRICOES_AGENT_KNOWLEDGE": {
"ai_tool": [
[
{
"node": "MCP_SUPABASE",
"type": "ai_tool",
"index": 0
}
]
]
}
}
}
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.
openAiApisupabaseApi
Pro
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How this works
This workflow enables seamless AI-driven management of course enrolments in Supabase by processing incoming events through a retrieval-augmented generation (RAG) system, allowing you to query and update your database intelligently without manual intervention. It's ideal for educators or administrators handling dynamic student data, where OpenAI embeddings power accurate retrieval from your Supabase vector store to inform actions like deleting outdated enrolments. The key step involves the event trigger initiating a chain that embeds queries, retrieves relevant data, and executes targeted database operations, saving hours of repetitive admin work.
Use this workflow when you need real-time responses to enrolment events, such as automated clean-ups after course deadlines or query-based updates in a learning platform integrated with Supabase. Avoid it for simple CRUD tasks without AI needs, as the 27-node complexity suits advanced RAG scenarios rather than basic automation. Common variations include adapting the supabaseTool for insertions or integrations with other vector stores for broader data sources.
About this workflow
MCP_SUPABASE_AGENT. Uses mcpTrigger, vectorStoreSupabase, embeddingsOpenAi, stickyNote. Event-driven trigger; 27 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →
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