AutomationFlowsAI & RAG › Instagram AI Agent: Read, Reply & Manage Comments with GPT-4o

Instagram AI Agent: Read, Reply & Manage Comments with GPT-4o

Original n8n title: 🤖 Instagram Mcp AI Agent – Read, Reply & Manage Comments with Gpt-4o

ByAmanda Benks @amanda on n8n.io

I build intelligent automations with n8n and Make. This powerful workflow was designed to help teams automatically handle Instagram interactions with AI. Using Meta Graph API, LangChain, MCP Server, and GPT-4o, it allows your AI agent to search for posts, read captions, fetch…

Chat trigger trigger★★★★☆ complexityAI-powered17 nodesChat TriggerAgentMemory Buffer WindowMcp TriggerMcp Client ToolTool Http RequestOpenAI Chat
AI & RAG Trigger: Chat trigger Nodes: 17 Complexity: ★★★★☆ AI nodes: yes Added:

This workflow corresponds to n8n.io template #3896 — we link there as the canonical source.

This workflow follows the Agent → Chat Trigger 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 →

Download .json
{
  "id": "q0efJd3N6ztzB8JA",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "MCP Server Instagram",
  "tags": [],
  "nodes": [
    {
      "id": "cb5e4706-3067-4e22-bceb-978a79758aa0",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -380,
        80
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "1cfe6ac2-8a2c-4f62-a60f-2aa028888091",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        120,
        -20
      ],
      "parameters": {},
      "typeVersion": 1.9
    },
    {
      "id": "17818b50-9b73-4d76-aa8b-aec9aa0af79e",
      "name": "Simple Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        180,
        140
      ],
      "parameters": {},
      "typeVersion": 1.3
    },
    {
      "id": "3eb7ec47-9423-481a-b4c3-810d9d73a74a",
      "name": "\ud83d\uddc2\ufe0f MCP Instagram",
      "type": "@n8n/n8n-nodes-langchain.mcpTrigger",
      "position": [
        900,
        -140
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "051a712a-f56f-45c5-be7f-71f34fe49c4a",
      "name": "MCP Instagram",
      "type": "@n8n/n8n-nodes-langchain.mcpClientTool",
      "position": [
        520,
        140
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "8f1014ee-2190-490f-8ceb-c97ecc155e71",
      "name": "Search Media",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        740,
        100
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "470e639b-b967-4b97-b503-d42fa5dddefd",
      "name": "Instagram Mapping",
      "type": "n8n-nodes-base.set",
      "position": [
        -160,
        80
      ],
      "parameters": {},
      "typeVersion": 3.4
    },
    {
      "id": "907e2456-0695-4baa-bbca-2d58e336d19a",
      "name": "Media Details",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        880,
        100
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "7c725835-8a5b-402d-87b6-82d11581c764",
      "name": "Search Comment",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        1020,
        100
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "8b22ce96-46e3-47a8-853d-4c4e242a913f",
      "name": "Reply Comment",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        1160,
        100
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "6d55e836-b087-461b-8501-4c2b5dc91e90",
      "name": "Send Direct Message",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        1300,
        100
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "2c1bd6ac-a7f9-41a2-9312-d02a8cd3a440",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -220,
        -140
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "d1542156-a304-45d0-b70c-0757fff0ae1b",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        480,
        -140
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "01c354a8-cbfb-4e39-91d1-11dbe15b1c65",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        20,
        -140
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "41c83391-415e-4360-ad19-8e1ce68c9a82",
      "name": "Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        60,
        140
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "c381f9bc-9053-4f93-8c5b-9ceb769857af",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        680,
        -280
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    },
    {
      "id": "2042f1f6-8ab2-458e-a7ec-91426c649381",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -220,
        -280
      ],
      "parameters": {
        "content": ""
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "551d4f14-9845-4fc1-a81b-63e1b97be3b5",
  "connections": {
    "Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Search Media": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Instagram",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "MCP Instagram": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Media Details": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Instagram",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Reply Comment": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Instagram",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Search Comment": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Instagram",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Instagram Mapping": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Direct Message": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Instagram",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "Instagram Mapping",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
Pro

For the full experience including quality scoring and batch install features for each workflow upgrade to Pro

About this workflow

I build intelligent automations with n8n and Make. This powerful workflow was designed to help teams automatically handle Instagram interactions with AI. Using Meta Graph API, LangChain, MCP Server, and GPT-4o, it allows your AI agent to search for posts, read captions, fetch…

Source: https://n8n.io/workflows/3896/ — original creator credit. Request a take-down →

More AI & RAG workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.

AI & RAG

This n8n workflow is designed for Shopify store owners and e-commerce managers who want to automate their store operations through an intelligent AI assistant. The workflow creates a conversational in

Shopify Tool, Discord, Telegram +10
AI & RAG

Description: Turn your WooCommerce store into a conversational AI assistant — create products, place orders, run reports and manage coupons using natural language via n8n + an MCP Server.

Agent, OpenAI Chat, Mcp Client Tool +4
AI & RAG

This n8n workflow template uses community nodes and is only compatible with the self-hosted version of n8n.

Chat Trigger, Agent, N8N Nodes Mcp +4
AI & RAG

This workflow runs a chat-based OpenAI assistant in n8n that calls three MCP servers for Google Calendar management, Gmail search and draft replies, and utility tools for weather, currency conversion,

Chat Trigger, Agent, OpenAI Chat +7
AI & RAG

This n8n workflow showcases a full-featured AI-powered assistant connected to a Shopify store through a custom MCP (Multi-Channel Commerce Platform) Server toolkit. It empowers users to automate compr

Agent, OpenAI Chat, Mcp Client Tool +4