AutomationFlowsAI & RAG › Smart Knowledge Base with Google Docs, Discord & Gpt-4o-mini

Smart Knowledge Base with Google Docs, Discord & Gpt-4o-mini

ByDavid Ashby @cfomodz on n8n.io

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Event trigger★★★★☆ complexityAI-powered16 nodesExecute Workflow TriggerGoogle DocsTool WorkflowOpenAI ChatMcp TriggerAgentDiscord Tool
AI & RAG Trigger: Event Nodes: 16 Complexity: ★★★★☆ AI nodes: yes Added:

This workflow corresponds to n8n.io template #4388 — we link there as the canonical source.

This workflow follows the Agent → Execute Workflow Trigger recipe pattern — see all workflows that pair these two integrations.

The workflow JSON

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{
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      "name": "When Executed by Another Workflow",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "position": [
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      "parameters": {},
      "typeVersion": 1.1
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    {
      "id": "6b10af4c-4b89-4d44-945f-799aa5fe50be",
      "name": "Save Long Term Memories",
      "type": "n8n-nodes-base.googleDocs",
      "position": [
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        700
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
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      "parameters": {},
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    {
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      "name": "Retrieve Long Term Memories",
      "type": "n8n-nodes-base.googleDocs",
      "position": [
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        900
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
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      "name": "Memory Tool Router",
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    {
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      "name": "Edit Fields",
      "type": "n8n-nodes-base.set",
      "position": [
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      ],
      "parameters": {},
      "typeVersion": 3.4
    },
    {
      "id": "9150f75e-c643-4591-8805-ab3ff38219ed",
      "name": "Save Memories",
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "position": [
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      ],
      "parameters": {},
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    {
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      "name": "Send Memories to Discord",
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      "position": [
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      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "ebed3fad-a567-421e-91be-cc8328ee294a",
      "name": "4o-mini",
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      "position": [
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      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
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      "name": "MCP Server Trigger",
      "type": "@n8n/n8n-nodes-langchain.mcpTrigger",
      "position": [
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        940
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
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      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
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      ],
      "parameters": {},
      "typeVersion": 1.9
    },
    {
      "id": "52a98e45-fe71-4dd5-bd6a-34b64c0118d5",
      "name": "Retrieve Long Term Memories Discord",
      "type": "n8n-nodes-base.googleDocs",
      "position": [
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        1120
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "a9dc7e5d-d621-40e7-96a4-5f4006905863",
      "name": "DM User",
      "type": "n8n-nodes-base.discordTool",
      "position": [
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      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "dec22729-2b44-48c0-9a60-67902b2381f8",
      "name": "Send to Channel",
      "type": "n8n-nodes-base.discordTool",
      "position": [
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      ],
      "parameters": {},
      "typeVersion": 2
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  ],
  "connections": {
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      "ai_languageModel": [
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          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "DM User": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Edit Fields": {
      "main": [
        [
          {
            "node": "Memory Tool Router",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Save Memories": {
      "ai_tool": [
        [
          {
            "node": "MCP Server Trigger",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Send to Channel": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Retrieve Memories": {
      "ai_tool": [
        [
          {
            "node": "MCP Server Trigger",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Memory Tool Router": {
      "main": [
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          {
            "node": "Save Long Term Memories",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Retrieve Long Term Memories",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Retrieve Long Term Memories Discord",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Save Long Term Memories": {
      "main": [
        [
          {
            "node": "Saved response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Memories to Discord": {
      "ai_tool": [
        [
          {
            "node": "MCP Server Trigger",
            "type": "ai_tool",
            "index": 0
          }
        ]
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    },
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            "type": "main",
            "index": 0
          }
        ]
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    },
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      "main": [
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            "node": "Edit Fields",
            "type": "main",
            "index": 0
          }
        ]
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    },
    "Retrieve Long Term Memories Discord": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
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About this workflow

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Source: https://n8n.io/workflows/4388/ — original creator credit. Request a take-down →

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