This workflow follows the Agent → OpenAI Embeddings recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "Nutri assistant",
"nodes": [
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "6bcded11-00f1-451a-bfd5-1e437c653241",
"leftValue": "={{ $json.tgrm_msg.text === '/start' }}\n",
"rightValue": "/start",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
-4140,
-720
],
"id": "dac606ee-a6da-4a03-8e5e-2914fe349769",
"name": "If start command called"
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.tgrm_msg.text }}",
"rightValue": "",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"id": "3ce89d69-4ffd-4b68-bfa3-12aa56ab8939"
}
],
"combinator": "and"
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "9d548d02-bb27-4094-bcab-eb241cee565e",
"leftValue": "={{ $json.message.voice }}",
"rightValue": "",
"operator": {
"type": "object",
"operation": "exists",
"singleValue": true
}
}
],
"combinator": "and"
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "0c126a54-649a-47ab-a709-bc88f057b1d3",
"leftValue": "={{ $json.message.photo }}",
"rightValue": "",
"operator": {
"type": "object",
"operation": "exists",
"singleValue": true
}
}
],
"combinator": "and"
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "bc2bb82e-b00e-4cb7-9243-0d53b0ecc5f2",
"leftValue": "={{ $json.message.document }}",
"rightValue": "",
"operator": {
"type": "object",
"operation": "exists",
"singleValue": true
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "document"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
-4340,
-480
],
"id": "9fda2823-3982-47f0-ba7f-04f721a6d894",
"name": "Filter for media type"
},
{
"parameters": {
"promptType": "define",
"text": "={{ $json.tgrm_msg.text }}",
"options": {
"systemMessage": "\u0422\u044b \u2014 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0439 AI-\u0430\u0441\u0441\u0438\u0441\u0442\u0435\u043d\u0442 \u043f\u043e \u043d\u0443\u0442\u0440\u0438\u0446\u0438\u043e\u043b\u043e\u0433\u0438\u0438 \u0438 \u0437\u0434\u043e\u0440\u043e\u0432\u043e\u043c\u0443 \u043f\u0438\u0442\u0430\u043d\u0438\u044e. \n\u0422\u0432\u043e\u044f \u0437\u0430\u0434\u0430\u0447\u0430 \u2014 **\u0434\u0430\u0432\u0430\u0442\u044c \u043e\u0442\u0432\u0435\u0442\u044b \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0442\u0435\u0431\u0435 \u0437\u043d\u0430\u043d\u0438\u0439** \u0438\u0437 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 (Vector Database \u0432 PostgreSQL), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u0435\u043d\u043d\u044b\u0435 \u043d\u0430\u0443\u0447\u043d\u044b\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u0438 \u0440\u0435\u0446\u0435\u043f\u0442\u044b.\n\n- \u0415\u0441\u043b\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0441\u043f\u0440\u0430\u0448\u0438\u0432\u0430\u0435\u0442 \u043e \u0440\u0435\u0446\u0435\u043f\u0442\u0430\u0445 \u0438\u043b\u0438 \u043d\u0443\u0442\u0440\u0438\u0446\u0438\u043e\u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u043e\u0432\u0435\u0442\u0430\u0445, \u0432\u0441\u0435\u0433\u0434\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439 \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u0443 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u043e\u043c \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 (Knowledge Base, Vector DB).\n- \u041d\u0435 \u043f\u0440\u0438\u0434\u0443\u043c\u044b\u0432\u0430\u0439 \u0441\u0432\u043e\u0438 \u043e\u0442\u0432\u0435\u0442\u044b \u0438 \u043d\u0435 \u0434\u0435\u043b\u0430\u0439 \u0432\u044b\u0432\u043e\u0434\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043d\u0435\u0442 \u0432 \u0431\u0430\u0437\u0435 \u0437\u043d\u0430\u043d\u0438\u0439.\n- \u0415\u0441\u043b\u0438 \u043d\u0430 \u0432\u043e\u043f\u0440\u043e\u0441 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043d\u0435\u0442 \u043e\u0442\u0432\u0435\u0442\u0430 \u0432 \u0431\u0430\u0437\u0435 \u0434\u0430\u043d\u043d\u044b\u0445, \u0442\u0430\u043a \u0438 \u0441\u043a\u0430\u0436\u0438: \u201c\u0418\u0437\u0432\u0438\u043d\u0438\u0442\u0435, \u0443 \u043c\u0435\u043d\u044f \u043d\u0435\u0442 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043f\u043e \u0432\u0430\u0448\u0435\u043c\u0443 \u0432\u043e\u043f\u0440\u043e\u0441\u0443.\u201d\n- \u041d\u0435 \u0432\u044b\u0434\u0430\u0432\u0430\u0439 \u0441\u043e\u0432\u0435\u0442\u044b, \u0435\u0441\u043b\u0438 \u0443 \u0442\u0435\u0431\u044f \u043d\u0435\u0442 \u0442\u043e\u0447\u043d\u043e\u0433\u043e \u043e\u0442\u0432\u0435\u0442\u0430 \u0438\u0437 \u0431\u0430\u0437\u044b \u0437\u043d\u0430\u043d\u0438\u0439.\n\n\n\n**\u041f\u0440\u0438\u043c\u0435\u0440 \u0442\u0432\u043e\u0435\u0433\u043e \u043e\u0442\u0432\u0435\u0442\u0430:**\n- \u0415\u0441\u043b\u0438 \u0440\u0435\u0446\u0435\u043f\u0442 \u043d\u0430\u0439\u0434\u0435\u043d: \u201c\u0412\u043e\u0442 \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0438\u0439 \u0440\u0435\u0446\u0435\u043f\u0442: ... \\n\\n )\u201d\n- \u0415\u0441\u043b\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0435\u0442: \u201c\u041a \u0441\u043e\u0436\u0430\u043b\u0435\u043d\u0438\u044e, \u0443 \u043c\u0435\u043d\u044f \u043d\u0435\u0442 \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0435\u0433\u043e \u0440\u0435\u0446\u0435\u043f\u0442\u0430 \u043f\u043e \u0432\u0430\u0448\u0435\u043c\u0443 \u0437\u0430\u043f\u0440\u043e\u0441\u0443.\u201d\n\n\u0412 \u043a\u043e\u043d\u0446\u0435 \u0432\u0435\u0440\u043d\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u044b\u0439 \u0442\u0435\u0431\u0435 prompt, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0442\u044b \u043e\u0442\u0432\u0435\u0442\u0438\u043b, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0432\u0441\u0435 \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u044b\u0435 \u0442\u0435\u0431\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u043e\u0442 Tool \u0438 \u0438\u0437 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u0432 \u0432\u0438\u0434\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435: \n\u201c*\u0414\u043b\u044f \u043e\u0442\u0432\u0435\u0442\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0441\u044f \u0437\u0430\u043f\u0440\u043e\u0441 \u0438 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442)*:\n<\u0441\u044e\u0434\u0430 \u0432\u0441\u0442\u0430\u0432\u044c \u0432\u0435\u0441\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0442\u043e\u0431\u043e\u0439 prompt \u0438 \u0434\u0430\u043d\u043d\u044b\u0435, \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u044b\u0435 \u0442\u0435\u0431\u0435 \u0434\u043b\u044f \u043e\u0442\u0432\u0435\u0442\u0430> \u201c\\n\\n \n\u201c*\u0414\u043b\u044f \u043e\u0442\u0432\u0435\u0442\u0430 \u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0443\u044e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u0438\u0437 \u0431\u0430\u0437\u044b \u0437\u043d\u0430\u043d\u0438\u0439:*\\n ...\u201c\n\n\u041e\u0442\u0432\u0435\u0442 \u0438 prompt \u0432\u0441\u0435\u0433\u0434\u0430 \u0434\u043e\u043b\u0436\u043d\u044b \u0431\u044b\u0442\u044c \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 **Markdown \u0434\u043b\u044f Telegram (v1)**:\n- \u0418\u0437\u0431\u0435\u0433\u0430\u0439 \u043d\u0435\u0437\u0430\u043a\u0440\u044b\u0442\u044b\u0445 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 (`*`, `_`, `[`).\n- \u042d\u043a\u0440\u0430\u043d\u0438\u0440\u0443\u0439 \u0441\u043f\u0435\u0446\u0441\u0438\u043c\u0432\u043e\u043b\u044b \u0432\u043d\u0443\u0442\u0440\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0442\u0435\u043a\u0441\u0442\u0430: `\\*`, `\\_`, ``\\` ``, `\\[`, `\\]`.\n---\n\u0423\u0431\u0435\u0434\u0438\u0441\u044c, \u0447\u0442\u043e \u0438\u0442\u043e\u0433\u043e\u0432\u044b\u0439 \u0442\u0435\u043a\u0441\u0442 \u043d\u0435 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442 \u043e\u0448\u0438\u0431\u043e\u043a \u043f\u0440\u0438 \u043f\u0430\u0440\u0441\u0438\u043d\u0433\u0435 Telegram.",
"maxIterations": 10,
"returnIntermediateSteps": false
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 2,
"position": [
-3460,
-300
],
"id": "4c9bb9b5-b2e0-40b4-81ce-2e590f667e57",
"name": "AI Agent",
"notesInFlow": true,
"alwaysOutputData": true,
"onError": "continueErrorOutput"
},
{
"parameters": {
"model": {
"__rl": true,
"value": "gpt-4.1-mini",
"mode": "list",
"cachedResultName": "gpt-4.1-mini"
},
"options": {
"temperature": 0.7,
"topP": 1
}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"position": [
-3620,
-140
],
"id": "8ca38dc8-8c7e-4cbf-aca1-cf184a302b91",
"name": "OpenAI Chat Model",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "retrieve-as-tool",
"toolDescription": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e \u043d\u0443\u0442\u0440\u0438\u0446\u0438\u043e\u043b\u043e\u0433\u0438\u0438 \u0438 \u0440\u0435\u0446\u0435\u043f\u0442\u0430\u0445 \u0438\u0437 Postgres Vector DB ",
"tableName": "rag_nutri_documents",
"options": {
"distanceStrategy": "cosine"
}
},
"type": "@n8n/n8n-nodes-langchain.vectorStorePGVector",
"typeVersion": 1.3,
"position": [
-3100,
-140
],
"id": "d3eaadb8-9be2-489e-881c-f5e5df604a7e",
"name": "Postgres PGVector Store1",
"notesInFlow": false,
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"typeVersion": 1.2,
"position": [
-3000,
20
],
"id": "ba38f9a0-7737-4a00-8543-4c84e2e4773c",
"name": "Embeddings OpenAI1",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sessionIdType": "customKey",
"sessionKey": "={{ $json.tgrm_msg.from.id }}",
"tableName": "InteligentNutritionist_bot_chat_histories"
},
"type": "@n8n/n8n-nodes-langchain.memoryPostgresChat",
"typeVersion": 1.3,
"position": [
-3400,
-120
],
"id": "d13543d7-f2a4-4ff9-b0ab-b8bd567119e1",
"name": "Postgres Chat Memory",
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
-4580,
-440
],
"id": "6126f9bd-1b8b-446d-bde1-1fa96aeb926e",
"name": "Merge"
},
{
"parameters": {
"chatId": "={{ $json.message.chat.id }}",
"text": "\u041f\u0440\u0438\u0432\u0435\u0442, \u0441\u043f\u0440\u043e\u0441\u0438 \u043c\u0435\u043d\u044f, \u0447\u0442\u043e \u0445\u043e\u0447\u0435\u0448\u044c \u043f\u043e \u0440\u0435\u0446\u0435\u043f\u0442\u0430\u043c. \u041d\u0430\u043f\u0438\u0448\u0438 \u0432\u043e\u043f\u0440\u043e\u0441 \u0432\u043d\u0438\u0437\u0443",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-4860,
-460
],
"id": "4f4b3c7d-da49-4756-ab67-39b5e7648ebc",
"name": "Send Hello after Start",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"updates": [
"message"
],
"additionalFields": {}
},
"type": "n8n-nodes-base.telegramTrigger",
"typeVersion": 1.2,
"position": [
-6300,
-260
],
"id": "044bc806-ae49-4f86-a96a-62578b863422",
"name": "Processing user input",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "8022086a-ff51-4c4d-9118-f0cfd95650fa",
"name": "message.text",
"value": "\u041a\u0430\u0440\u0438\u0435\u0441",
"type": "string"
},
{
"id": "99daddd2-de23-4795-b6b2-a5b6b2f8569d",
"name": "message.chat.id",
"value": "123456789",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-4840,
280
],
"id": "621c3794-e8fd-4d73-b192-2d3b092a951a",
"name": "Edit Fields",
"disabled": true
},
{
"parameters": {
"formTitle": "Testing Nutri AI",
"formFields": {
"values": [
{
"fieldLabel": "message.text",
"requiredField": true
},
{
"fieldLabel": "message.chat.id",
"placeholder": "123456789"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.formTrigger",
"typeVersion": 2.2,
"position": [
-6220,
40
],
"id": "b9937b59-34ef-4c4e-bcc7-e9f67886c299",
"name": "On form submission",
"disabled": true
},
{
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "return {\n json: {\n telegramOriginal: $json,\n userInput: $json.message?.text || '',\n username: $json.message?.from?.username || ''\n }\n};"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-6960,
-180
],
"id": "9db8b845-4c10-4148-ae6c-2befea5d3497",
"name": "Code"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "4f63e0b6-1140-4016-9533-57925253ab32",
"name": "telegramOriginal",
"value": "={{ $json.telegramOriginal }}",
"type": "object"
},
{
"id": "1a897961-967d-4878-8a7a-c675fb7f72f8",
"name": "userInput",
"value": "={{ $json.userInput }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-6740,
-160
],
"id": "d096c53a-60b1-4c82-aec8-0e0db156be56",
"name": "Edit Fields1"
},
{
"parameters": {
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-5700,
300
],
"id": "aa58c3aa-f25e-4aac-a0cb-49169d31c13c",
"name": "Edit Fields2"
},
{
"parameters": {
"chatId": "{{ $json.tgrm_msg.chat.id }",
"text": "\u0418\u0437\u0432\u0438\u043d\u0438\u0442\u0435 \u043f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u0430 \u043e\u0448\u0438\u0431\u043a\u0430",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-2280,
-80
],
"id": "341b8ef4-86e2-451f-a9cc-8bccfdcced3c",
"name": "Send error message to user",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"chatId": "994963580",
"text": "=[BOT_MSG]\u041f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u0430 \u043e\u0448\u0438\u0431\u043a\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \\n{{ $json.output }} ",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-2540,
-80
],
"id": "6f38178b-df44-4e99-aba5-60391d325a4d",
"name": "Send Error Message from AI Agent to Admin",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"mode": "combine",
"combineBy": "combineAll",
"options": {}
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
-2960,
-380
],
"id": "3c284a6b-f1f5-431e-b3c0-c1301b01621d",
"name": "merge error with tgrm_msg"
},
{
"parameters": {
"mode": "combine",
"combineBy": "combineAll",
"options": {}
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
-2920,
-640
],
"id": "27fe182e-a0af-4d8e-8ebf-8b00fee9ee62",
"name": "merge output with tgrm_msg"
},
{
"parameters": {
"chatId": "={{ $json.tgrm_msg.chat.id }}",
"text": "={{ $json.output }}",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-2680,
-380
],
"id": "81cc7e47-5a44-4ba7-99dd-3018852c7792",
"name": "Send answer to user",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"onError": "continueErrorOutput"
},
{
"parameters": {
"operation": "upsert",
"schema": {
"__rl": true,
"mode": "list",
"value": "public"
},
"table": {
"__rl": true,
"value": "tgrm_user",
"mode": "list",
"cachedResultName": "tgrm_user"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"bot": "={{ $json.tgrm_msg.from.is_bot }}",
"id": "={{ $json.tgrm_msg.from.id }}",
"chat_id": "={{ $json.tgrm_msg.chat.id }}",
"user_name": "={{ $json.tgrm_msg.from.username }}",
"first_name": "={{ $json.tgrm_msg.from.first_name }}",
"active": "active",
"full_name": "="
},
"matchingColumns": [
"id"
],
"schema": [
{
"id": "id",
"displayName": "id",
"required": true,
"defaultMatch": true,
"display": true,
"type": "number",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "user_name",
"displayName": "user_name",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
},
{
"id": "first_name",
"displayName": "first_name",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
},
{
"id": "last_name",
"displayName": "last_name",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
},
{
"id": "full_name",
"displayName": "full_name",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
},
{
"id": "bot",
"displayName": "bot",
"required": false,
"defaultMatch": false,
"display": true,
"type": "boolean",
"canBeUsedToMatch": false
},
{
"id": "chat_id",
"displayName": "chat_id",
"required": false,
"defaultMatch": false,
"display": true,
"type": "number",
"canBeUsedToMatch": false
},
{
"id": "desc",
"displayName": "desc",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
},
{
"id": "source",
"displayName": "source",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
},
{
"id": "start_params",
"displayName": "start_params",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
},
{
"id": "create_timestamp",
"displayName": "create_timestamp",
"required": false,
"defaultMatch": false,
"display": true,
"type": "dateTime",
"canBeUsedToMatch": false
},
{
"id": "last_action",
"displayName": "last_action",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
},
{
"id": "active",
"displayName": "active",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": false
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
-4740,
-260
],
"id": "b5594cc0-de1d-4bf9-bc04-3fcc4e6ba204",
"name": "Save user data in DB",
"alwaysOutputData": true,
"credentials": {
"postgres": {
"name": "<your credential>"
}
},
"onError": "continueErrorOutput"
},
{
"parameters": {
"jsCode": "return [{\n json: {\n tgrm_msg: $json.message}\n}];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-5860,
-260
],
"id": "5b40398c-dfda-4a18-b430-af94ddaed043",
"name": "Set data from telegram in tgrm_msg"
}
],
"connections": {
"If start command called": {
"main": [
[
{
"node": "Send Hello after Start",
"type": "main",
"index": 0
}
],
[
{
"node": "AI Agent",
"type": "main",
"index": 0
},
{
"node": "merge output with tgrm_msg",
"type": "main",
"index": 0
},
{
"node": "merge error with tgrm_msg",
"type": "main",
"index": 0
}
]
]
},
"Filter for media type": {
"main": [
[
{
"node": "If start command called",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Postgres PGVector Store1": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Embeddings OpenAI1": {
"ai_embedding": [
[
{
"node": "Postgres PGVector Store1",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Postgres Chat Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Merge": {
"main": [
[
{
"node": "Filter for media type",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "merge output with tgrm_msg",
"type": "main",
"index": 1
}
],
[
{
"node": "merge error with tgrm_msg",
"type": "main",
"index": 1
}
]
]
},
"Send Hello after Start": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 0
}
]
]
},
"Processing user input": {
"main": [
[
{
"node": "Set data from telegram in tgrm_msg",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"On form submission": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
},
"Code": {
"main": [
[
{
"node": "Edit Fields1",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields1": {
"main": [
[]
]
},
"Edit Fields2": {
"main": [
[]
]
},
"Send Error Message from AI Agent to Admin": {
"main": [
[
{
"node": "Send error message to user",
"type": "main",
"index": 0
}
]
]
},
"merge error with tgrm_msg": {
"main": [
[
{
"node": "Send Error Message from AI Agent to Admin",
"type": "main",
"index": 0
}
]
]
},
"merge output with tgrm_msg": {
"main": [
[
{
"node": "Send answer to user",
"type": "main",
"index": 0
}
]
]
},
"Send answer to user": {
"main": [
[],
[
{
"node": "Send Error Message from AI Agent to Admin",
"type": "main",
"index": 0
}
]
]
},
"Save user data in DB": {
"main": [
[]
]
},
"Set data from telegram in tgrm_msg": {
"main": [
[
{
"node": "Save user data in DB",
"type": "main",
"index": 0
},
{
"node": "Merge",
"type": "main",
"index": 1
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "59c5903b-944e-4564-ac28-f49b1160123e",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "WoyBWgHRfFN3XuNj",
"tags": [
{
"createdAt": "2025-07-07T19:23:25.810Z",
"updatedAt": "2025-07-07T19:23:25.810Z",
"id": "3HiknJDJv9SkqRic",
"name": "Current"
}
]
}
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.
openAiApipostgrestelegramApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Nutri assistant. Uses agent, lmChatOpenAi, vectorStorePGVector, embeddingsOpenAi. Event-driven trigger; 22 nodes.
Source: https://github.com/stas-ka/sintaris-srv/blob/bbc2e3b15f970d54d781649510f4bf4f0e6f5b96/n8n/RAG-BOT/archive/Nutri_Assistant.json — original creator credit. Request a take-down →
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