Externe Google Calendar Meetings mit GPT-4, Google Docs und Slack über MadKudu MCP vorbereiten

• •OpenAI API Key

{
  "id": "Wlqg5aeZgBFNfQRm",
  "meta": {
    "instanceId": "f6f8c184929a9f843505f5273ebb41a7a951a35345a1095a4acc1d4034a73fa3",
    "templateCredsSetupCompleted": true
  },
  "name": "Prepare external Google Calendar meetings with AI using MadKudu MCP",
  "tags": [],
  "nodes": [
    {
      "id": "7c6a9973-5f65-4023-b883-aa248e72cb9b",
      "name": "Zeitplan-Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        192,
        0
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours"
            }
          ]
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "2e638051-76b6-4a00-9f73-e149f6f7f1c6",
      "name": "Get many events",
      "type": "n8n-nodes-base.googleCalendar",
      "position": [
        384,
        0
      ],
      "parameters": {
        "options": {},
        "timeMax": "={{ $now.plus({ hour: 1 }) }}",
        "calendar": {
          "__rl": true,
          "mode": "list",
          "value": "margo.rey@madkudu.com",
          "cachedResultName": "margo.rey@madkudu.com"
        },
        "operation": "getAll"
      },
      "credentials": {
        "googleCalendarOAuth2Api": {
          "id": "uDpevl5X3MHVJwzD",
          "name": "Google Calendar account"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "ba2a5f9a-ab8b-49bd-9a4c-63a7369a9aee",
      "name": "Split Calendar Events",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        592,
        0
      ],
      "parameters": {
        "include": "allOtherFields",
        "options": {},
        "fieldToSplitOut": "id"
      },
      "typeVersion": 1
    },
    {
      "id": "68a13464-f449-4ca3-a2ff-05efbe3ed7fa",
      "name": "Keep meetings with external attendees",
      "type": "n8n-nodes-base.filter",
      "position": [
        1040,
        0
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "9fb0a08e-18b1-4eab-bc5b-3e63100b2b5a",
              "operator": {
                "type": "array",
                "operation": "lengthGt",
                "rightType": "number"
              },
              "leftValue": "={{ $('Split Calendar Events').item.json.attendees }}",
              "rightValue": 1
            },
            {
              "id": "eb7379a1-b7d0-45dc-be04-d9ae54426317",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              },
              "leftValue": "={{ $json.attendees.some(a => !a.email.includes('@'+$vars.my_company_domain)) }}",
              "rightValue": "true"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "13b751bb-3854-4df4-8405-dad3d14da24e",
      "name": "KI-Agent - Research Attendees",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        1376,
        0
      ],
      "parameters": {
        "text": "=# Context\nYou are an executive assistant. You are tasked with helping me prepare for an upcoming meeting.\n\n# Instructions\nPlease research these attendees:  \n  {{ JSON.stringify($json.attendees.filter(a => !a.email.includes('@'+$vars.my_company_domain)).map(a => a.email)) }} \nand their associated company using the following research tools:\n\n- `madkudu-value-prop`\n- `madkudu-account-details`\n- `madkudu-account-activities`\n- `madkudu-account-brief-instruction`\n- `madkudu-account-top-persons`\n- `madkudu-person-details`\n- `madkudu-person-activities`\n\nAlso use, if relevant, the context about the meeting:\n\n– **meeting title:**\n{{ $json.summary }}\n\n– **meeting description:**\n{{ $json.description }}\n\n# Format\nAlways format the output in plain text with the following sections:\n\n## TL;DR\nThis section should help me understand how to approach the meeting.  \nKeep it high level, 2–3 sentences max.\n\n## Person Summary\nShare relevant information about the attendees (excluding madkudu.com, personal emails).\n\n## Account Summary\n### Overall Account Engagement including top persons\nThis section should highlight relevant people based on their engagement so Francis can name drop them.  \nFlag power users, growing usage, and any relevant trend.\n\n## Account Brief\nThis section should help me grasp the overall context of the account and frame the conversation accordingly.  \nShare the full account brief.\n",
        "options": {},
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 2.1
    },
    {
      "id": "82cd9069-f074-4fdd-99a1-d34f5d756376",
      "name": "Send summary as event",
      "type": "n8n-nodes-base.googleCalendar",
      "position": [
        1904,
        0
      ],
      "parameters": {
        "end": "={{ $('Keep meetings with external attendees').item.json.end.dateTime }}",
        "start": "={{ $('Keep meetings with external attendees').item.json.start.dateTime }}",
        "calendar": {
          "__rl": true,
          "mode": "list",
          "value": "margo.rey@madkudu.com",
          "cachedResultName": "margo.rey@madkudu.com"
        },
        "additionalFields": {
          "summary": "=Prep meeting  {{ $('Keep meetings with external attendees').item.json.summary }}",
          "description": "={{ $json.output }}"
        }
      },
      "credentials": {
        "googleCalendarOAuth2Api": {
          "id": "uDpevl5X3MHVJwzD",
          "name": "Google Calendar account"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "4d71746d-4f0e-4b34-813d-94b30c8cce8c",
      "name": "MadKudu MCP",
      "type": "@n8n/n8n-nodes-langchain.mcpClientTool",
      "position": [
        1536,
        224
      ],
      "parameters": {
        "sseEndpoint": "=https://mcp.madkudu.com/{{$vars.madkudu_api_key}}/sse\n"
      },
      "typeVersion": 1
    },
    {
      "id": "30ccf0f2-b22e-42fb-8170-6b7781149070",
      "name": "OpenAI Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        1376,
        224
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1-mini",
          "cachedResultName": "gpt-4.1-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "gmWcRtweC5afMtgW",
          "name": "n8n free OpenAI API credits"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "dbbfbf49-0783-4d0a-8015-a5a43d5c94f5",
      "name": "Haftnotiz",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -304,
        -208
      ],
      "parameters": {
        "width": 416,
        "height": 672,
        "content": "# Try it Out!\n\nThis workflow builds a **Meeting Prep AI Assistant**.\nIt sends a meeting invite at the same time as your scheduled meeting — including a summary of the external attendees and their companies in the event description.\n\nThis helps you show up prepared without manually researching attendees beforehand.\n\n## 💡 **How It Works**\n1. Checks for meetings every hour\nLooks ahead one hour for upcoming meetings in your calendar.\n\n2. Keeps only meetings with external attendees\nFilters out internal-only meetings based on your company domain (e.g. acme.com).\n\n3. Researches the attendees and companies\nUses MadKudu MCP, OpenAI, and other tools to gather info about attendees, past engagement, and company context.\n\n4. Adds the summary to your calendar\nA duplicate event is created at the same time, with the meeting brief in the description — visible to you only.\n\nNeed help?\nJoin the Discord or ask in the Forum.\n\nHappy Hacking!"
      },
      "typeVersion": 1
    },
    {
      "id": "31e1c1e5-7ecc-4a6a-8cba-42fb73e59532",
      "name": "Haftnotiz2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        768,
        -192
      ],
      "parameters": {
        "color": 7,
        "width": 544,
        "height": 352,
        "content": "### 2. Keep External Meetings only\nSet your company email domain first (e.g. acme.com) as a [Variable](https://docs.n8n.io/code/variables/#create-variables)   my_company_domain.\nIt is used to identify who are internal attendees vs external attendees. \n\nThe filter node keeps only meetings where there is at least 1 external attendees, aka 1 email with a domain different than your company domain. \nThis ensures you only receive meeting briefs for external-facing meetings"
      },
      "typeVersion": 1
    },
    {
      "id": "da6d92ff-4acd-4835-9e85-5c58c1efee11",
      "name": "Haftnotiz3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1360,
        -192
      ],
      "parameters": {
        "color": 7,
        "width": 416,
        "height": 352,
        "content": "### 3. Research Attendees and Generate Summary\nEnrich attendee & company data using MadKudu and summarize with AI.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "b4e8cfc3-8ca0-459d-b819-6deeabfa90b1",
      "name": "Haftnotiz4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1824,
        -192
      ],
      "parameters": {
        "color": 7,
        "width": 416,
        "height": 352,
        "content": "### 4. Send Meeting invitation with summary\nCreate a private calendar event with the AI-generated brief.\n\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "4ff628a1-3eea-40c7-9c2b-1681c8c28e02",
      "name": "Haftnotiz1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        144,
        -192
      ],
      "parameters": {
        "color": 7,
        "width": 592,
        "height": 352,
        "content": "### 1. Check for new meetings every hour\nThe Scheduler is configured for every hour. \nIt will check in your Google Calendar for meetings in the next hour. Feel free to update the frequency if you have new meetings less frequently. \nThe Split allows preparing the events separately\n"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "4ac0ba48-715e-476e-836b-6800f0d2e777",
  "connections": {
    "4d71746d-4f0e-4b34-813d-94b30c8cce8c": {
      "ai_tool": [
        [
          {
            "node": "AI Agent - Research Attendees",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "30ccf0f2-b22e-42fb-8170-6b7781149070": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent - Research Attendees",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "2e638051-76b6-4a00-9f73-e149f6f7f1c6": {
      "main": [
        [
          {
            "node": "ba2a5f9a-ab8b-49bd-9a4c-63a7369a9aee",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "2e638051-76b6-4a00-9f73-e149f6f7f1c6",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "ba2a5f9a-ab8b-49bd-9a4c-63a7369a9aee": {
      "main": [
        [
          {
            "node": "68a13464-f449-4ca3-a2ff-05efbe3ed7fa",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Agent - Research Attendees": {
      "main": [
        [
          {
            "node": "82cd9069-f074-4fdd-99a1-d34f5d756376",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "68a13464-f449-4ca3-a2ff-05efbe3ed7fa": {
      "main": [
        [
          {
            "node": "AI Agent - Research Attendees",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}