Alex Hi no code This workflow corresponds to n8n.io template #2718 — we link there as the canonical source.
This workflow follows the Agent → OpenAI Chat 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": "qww129cm4TM9N8Ru",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "InstaTest",
"tags": [
{
"id": "8PlqXsDyqVlHJ7RC",
"name": "AI",
"createdAt": "2024-07-10T14:12:10.657Z",
"updatedAt": "2024-07-10T14:12:10.657Z"
}
],
"nodes": [
{
"id": "51dcaa84-d1f9-4abc-aebc-24a06801e42d",
"name": "Set your system promt for AI",
"type": "n8n-nodes-base.set",
"notes": "In this node in \"prompt\" variable you can set your system prompt",
"position": [
1120,
620
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "0b3c3d71-5627-4b8c-91f0-ac44eaedf196",
"name": "prompt",
"type": "string",
"value": "=Persona: You are a instagram influencer.\nContext: You receive a messages from your subscribers\nTask: Answer questions in your writing style and patterns according to your previous posts text. Use your post only for style and patterns reference.\nStyle rules:\nsimple answers"
},
{
"id": "c2a9e272-5c0d-4685-ad0e-ce6995f92a1c",
"name": "sessionId",
"type": "string",
"value": "={{ $json.body.session_id }}"
},
{
"id": "b3c20ee3-07a1-4584-b0d9-7310a2c6b723",
"name": "chatInput",
"type": "string",
"value": "={{ $json.body.text }}"
}
]
}
},
"typeVersion": 3.3
},
{
"id": "0fb36573-d632-4403-8809-3973f9caa32a",
"name": "Local n8n memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
1500,
780
],
"parameters": {
"sessionKey": "={{ $('Set your system promt for AI').last().json.sessionId }}",
"sessionIdType": "customKey",
"contextWindowLength": 20
},
"typeVersion": 1.3
},
{
"id": "2f0471a7-2a84-41ce-aab1-896d5ea95ac3",
"name": "ChatGPT model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1360,
780
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "49abc3a3-faf9-4249-b874-908138a84aea",
"name": "Send respond ",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1720,
620
],
"parameters": {
"options": {}
},
"typeVersion": 1.1
},
{
"id": "49382508-9307-4ffa-8b31-78fac3a7db10",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
320,
360
],
"parameters": {
"color": 5,
"width": 458.4028599661066,
"height": 447.98321744507007,
"content": "## Easy Instagram(via ManyChat) bot\n---\n### Description:\nThis template is a main part of Entire solution. It's getting new message from Instagram via ManyChat(Extra No-Code tool for getting and sending message in Instagram). Generating message using ChatGPT and send back to ManyChat that sends it to Instagrtam.\n\n### Logic:\n1. Getting message from Instagram(from ManyChat)\n2. Set you system prompt for AI\n3. Create simple answer for message in AI block\n4. Send answer to Instagram(to ManyChat)\n\n---\n*Helpful links:*\n- [Guide in Notion how to create full bot](https://shadowed-pound-d6e.notion.site/Instagram-GPT-light-version-Manychat-X-N8N-176293bddff880899a9ac255585d29f7?pvs=4)\n- [ManyChat](https://manychat.partnerlinks.io/vm4wkw8j81tc)"
},
"typeVersion": 1
},
{
"id": "5d14544c-7039-435f-a53c-615b5722bb99",
"name": "Getting message from Instagram",
"type": "n8n-nodes-base.webhook",
"position": [
900,
620
],
"parameters": {
"path": "instagram_chat",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "3770f558-341b-4d67-a7f0-0bb2fecf51a3",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1320,
300
],
"parameters": {
"width": 313.9634922216307,
"height": 614.7475040550845,
"content": "## 3) AI block\n---\nThere is 3 nodes:\n- AI Agent\n- Chat GPT model\n- Memory for history messages\n\n### To do:\n- in ChatGPT node you can choose the best model for you\n- in Memory Block you can change number of messages in history\n\n"
},
"typeVersion": 1
},
{
"id": "cbb6c5a2-9b96-4305-afce-5ac560ae2dec",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
1340,
620
],
"parameters": {
"text": "={{ $json.chatInput }}",
"options": {
"systemMessage": "={{ $json.prompt }}"
},
"promptType": "define"
},
"typeVersion": 1.7
},
{
"id": "4e28119f-b1aa-4b20-a8ed-28bd137f9627",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
820,
360
],
"parameters": {
"height": 440,
"content": "## 1) HTTP Post webhook\n\n**To do:**\nJust copy production link from this node and insert to custom action in ManyChat\n\nNo edits needed"
},
"typeVersion": 1
},
{
"id": "b18a8890-b420-4086-91c8-8edbc845c8af",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1080,
480
],
"parameters": {
"width": 220,
"height": 320,
"content": "## 2) Edit prompt\n\n**To do:**\nGo inside and change input\n"
},
"typeVersion": 1
},
{
"id": "74d4e6f5-069e-4b37-8005-8c03226b05df",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1660,
480
],
"parameters": {
"height": 300,
"content": "## 4) Respond webhook\n\nNo edits needed"
},
"typeVersion": 1
}
],
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "2f36fc7a-0a69-4af3-a958-25e9d278f058",
"connections": {
"AI Agent": {
"main": [
[
{
"node": "Send respond ",
"type": "main",
"index": 0
}
]
]
},
"ChatGPT model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Local n8n memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Set your system promt for AI": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Getting message from Instagram": {
"main": [
[
{
"node": "Set your system promt for AI",
"type": "main",
"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.
openAiApi
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About this workflow
Once connected, GPT will automatically initiate conversations with messages from new recipients in Intagram.
Source: https://n8n.io/workflows/2718/ — original creator credit. Request a take-down →
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