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Facebook AI Agent: Read, Reply & Manage Comments

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

🤖 Facebook MCP AI Agent – Read, Reply & Manage Comments with GPT-4o. Uses chatTrigger, agent, memoryBufferWindow, mcpTrigger. Chat trigger; 17 nodes.

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 follows the Agent → Chat Trigger recipe pattern — see all workflows that pair these two integrations.

The workflow JSON

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Download .json
{
  "id": "RzYuqoepxixCfKzi",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "\ud83e\udd16 Facebook MCP AI Agent \u2013 Read, Reply & Manage Comments with GPT-4o",
  "tags": [
    {
      "id": "gopnerJXNBoZBzMX",
      "name": "Fluxo a Venda",
      "createdAt": "2025-05-06T11:24:14.834Z",
      "updatedAt": "2025-05-06T11:24:14.834Z"
    }
  ],
  "nodes": [
    {
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      "name": "When chat message received",
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      "parameters": {},
      "typeVersion": 1.1
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    {
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    {
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      "name": "Simple Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
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      "parameters": {},
      "typeVersion": 1.3
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    {
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      "name": "\ud83d\uddc2\ufe0f MCP Facebook",
      "type": "@n8n/n8n-nodes-langchain.mcpTrigger",
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    {
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      "name": "MCP Facebook",
      "type": "@n8n/n8n-nodes-langchain.mcpClientTool",
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      "parameters": {},
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    {
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    {
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      "name": "Facebook Mapping",
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      "parameters": {},
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    {
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      "name": "Search Comment",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
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      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "40990183-0945-42d2-8239-e938105c90b5",
      "name": "Reply Comment",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
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        380
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "1c7f4401-b266-4b15-bc6c-05f6f12f1681",
      "name": "Send Direct Message",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
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        380
      ],
      "parameters": {},
      "typeVersion": 1.1
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    {
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      "name": "Sticky Note",
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    {
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      "name": "Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
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      "parameters": {},
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  "settings": {
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  "versionId": "2be54b97-2a5e-4fe5-ade2-4f9541b6ea24",
  "connections": {
    "Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "MCP Facebook": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Search Media": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Facebook",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Media Details": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Facebook",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Reply Comment": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Facebook",
            "type": "ai_tool",
            "index": 0
          }
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      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Search Comment": {
      "ai_tool": [
        [
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            "node": "\ud83d\uddc2\ufe0f MCP Facebook",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Facebook Mapping": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Direct Message": {
      "ai_tool": [
        [
          {
            "node": "\ud83d\uddc2\ufe0f MCP Facebook",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "Facebook Mapping",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
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About this workflow

🤖 Facebook MCP AI Agent – Read, Reply & Manage Comments with GPT-4o. Uses chatTrigger, agent, memoryBufferWindow, mcpTrigger. Chat trigger; 17 nodes.

Source: https://github.com/djeknet/n8n-master-workflows/blob/1c4f12d01b446cbee928c81cfa7901ade7bbdb09/Marketing/Automated_Facebook_Comment_Management_with_GPT-4o_and_LangChain.json — original creator credit. Request a take-down →

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