n8nで作る究極のAIパーソナルアシスタント【前編】

{
  "name": "Ultimate Personal Assistant",
  "nodes": [
    {
      "parameters": {
        "promptType": "define",
        "text": "={{ $json.text }}",
        "options": {
          "systemMessage": "=# Overview\nYou are the ultimate personal assistant. Your job is to send the user's query to the correct tool. You should never be writing emails, or creating even summaries, you just need to call the correct tool.\n\n## Tools\n- Think: Use this to think deeply or if you get stuck\n- emailAgent: Use this tool to take action in email\n- calendarAgent: Use this tool to take action in calendar\n- contactAgent: Use this tool to get, update, or add contacts\n- contentCreator: Use this tool to create blog posts\n- Tavily: Use this tool to search the web\n\n## Rules\n- Some actions require you to look up contact information first. For the following actions, you must get contact information and send that to the agent who needs it:\n  - sending emails\n  - drafting emails\n  - creating calendar event with attendee\n\n## Instructions\n1) Call the neccessary tools based on the user request\n2) Use the \"Think\" tool to verify you took the right steps. This tool should be called every time.\n\n\n## Examples\n1) \n- Input: send an email to [YourContact] asking what time they want to leave\n  - Action: Use contactAgent to get [YourContact]'s email\n  - Action: Use emailAgent to send the email. You will pass the tool a query like \"send [YourContact] an email to ask what time they want to leave. here is their email: [email address]\n- Output: The email has been sent to [YourContact]. Anything else I can help you with?\n\n\n## Final Reminders\nHere is the current date/time: {{ $now }}\n"
        }
      },
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 1.7,
      "position": [80, 100],
      "id": "1429d636-2a04-4b9f-b32d-6377c8d6d989",
      "name": "Ultimate Assistant"
    },
    {
      "parameters": {
        "name": "emailAgent",
        "description": "Call this tool for any email actions.",
        "workflowId": { "__rl": true, "value": "", "mode": "list" },
        "workflowInputs": { "mappingMode": "defineBelow", "value": {} }
      },
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "typeVersion": 2,
      "position": [-20, 640],
      "id": "3a47c324-caa4-4dd2-b8ff-e831741334ab",
      "name": "Email Agent"
    },
    {
      "parameters": {
        "name": "contactAgent",
        "description": "Call this tool for any contact related actions.",
        "workflowId": { "__rl": true, "value": "", "mode": "list" },
        "workflowInputs": { "mappingMode": "defineBelow", "value": {} }
      },
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "typeVersion": 2,
      "position": [260, 640],
      "id": "af564a88-b874-4ddb-a67d-fe189b0e5a01",
      "name": "Contact Agent"
    },
    {
      "parameters": {
        "name": "contentCreator",
        "description": "Call this tool to create blog posts.",
        "workflowId": { "__rl": true, "value": "", "mode": "list" },
        "workflowInputs": { "mappingMode": "defineBelow", "value": {} }
      },
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "typeVersion": 2,
      "position": [400, 640],
      "id": "366e8ec6-ec2c-43d3-ab0d-1e411826588a",
      "name": "Content Creator Agent"
    },
    {
      "parameters": {
        "toolDescription": "Use this tool to search the internet",
        "method": "POST",
        "url": "https://api.tavily.com/search",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "{\n    \"api_key\": \"YOUR_TAVILY_API_KEY\",\n    \"query\": \"{searchTerm}\",\n    \"search_depth\": \"basic\",\n    \"include_answer\": true,\n    \"topic\": \"news\",\n    \"include_raw_content\": true,\n    \"max_results\": 3\n}",
        "placeholderDefinitions": {
          "values": [{ "name": "searchTerm", "description": "What the user has requested to search the internet for", "type": "string" }]
        }
      },
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "typeVersion": 1.1,
      "position": [620, 380],
      "id": "811f091f-7956-4760-b7a2-8555344cc358",
      "name": "Tavily"
    },
    {
      "parameters": {},
      "type": "@n8n/n8n-nodes-langchain.toolCalculator",
      "typeVersion": 1,
      "position": [760, 380],
      "id": "23320d6a-cc05-4868-aa02-a44e1b00d152",
      "name": "Calculator"
    },
    {
      "parameters": {
        "name": "calendarAgent",
        "description": "Call this tool for any calendar action.",
        "workflowId": { "__rl": true, "value": "", "mode": "list" },
        "workflowInputs": { "mappingMode": "defineBelow", "value": {} }
      },
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "typeVersion": 2,
      "position": [120, 640],
      "id": "1885dca9-f84f-4b6e-88cb-cd68850e0f98",
      "name": "Calendar Agent"
    },
    {
      "parameters": {},
      "type": "@n8n/n8n-nodes-langchain.toolThink",
      "typeVersion": 1,
      "position": [640, 680],
      "id": "d4574bd7-ef19-4307-aa18-fa2243fae6d3",
      "name": "Think"
    },
    {
      "parameters": {
        "updates": ["message"],
        "additionalFields": {}
      },
      "id": "5fe17f5d-d392-4c4b-a32f-0b57b7f6b4a1",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "typeVersion": 1.1,
      "position": [-720, 100],
      "webhookId": "99eab1a0-569d-4f0f-a49e-578a02abfe63"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [{ "id": "fe7ecc99-e1e8-4a5e-bdd6-6fce9757b234", "name": "text", "value": "={{ $json.message.text }}", "type": "string" }]
        },
        "options": {}
      },
      "id": "c8233c37-bad8-410c-975a-55f500160ca2",
      "name": "Set 'Text'",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [-340, 120]
    },
    {
      "parameters": {
        "resource": "file",
        "fileId": "={{ $json.message.voice.file_id }}"
      },
      "id": "8cb41a02-8941-42eb-85ed-3d2f91be92f1",
      "name": "Download Voice File",
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1.2,
      "position": [-400, -40]
    },
    {
      "parameters": {
        "resource": "audio",
        "operation": "transcribe",
        "options": {}
      },
      "id": "a9741a28-383a-4a0f-a4be-620a70874dcd",
      "name": "Transcribe Audio",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "typeVersion": 1.6,
      "position": [-240, -40]
    },
    {
      "parameters": {
        "rules": {
          "values": [
            {
              "conditions": {
                "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 2 },
                "conditions": [{ "leftValue": "={{ $json.message.voice.file_id }}", "rightValue": "", "operator": { "type": "string", "operation": "exists", "singleValue": true } }],
                "combinator": "and"
              },
              "renameOutput": true,
              "outputKey": "Voice"
            },
            {
              "conditions": {
                "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict", "version": 2 },
                "conditions": [{ "id": "8c844924-b2ed-48b0-935c-c66a8fd0c778", "leftValue": "={{ $json.message.text }}", "rightValue": "", "operator": { "type": "string", "operation": "exists", "singleValue": true } }],
                "combinator": "and"
              },
              "renameOutput": true,
              "outputKey": "Text"
            }
          ]
        },
        "options": {}
      },
      "id": "d59316b9-0684-4cf7-ac95-18e971d8a513",
      "name": "Switch",
      "type": "n8n-nodes-base.switch",
      "typeVersion": 3.2,
      "position": [-580, 100]
    },
    {
      "parameters": {
        "chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
        "text": "={{ $json.output }}",
        "additionalFields": { "appendAttribution": false }
      },
      "id": "5668433b-1975-4ee9-8ffc-25563c6bf56d",
      "name": "Response",
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1.2,
      "position": [500, 100]
    },
    {
      "parameters": {
        "sessionIdType": "customKey",
        "sessionKey": "={{ $('Telegram Trigger').item.json.message.chat.id }}"
      },
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [-80, 400],
      "id": "3850c4b9-eb78-4429-a4e3-8805997feaf9",
      "name": "Simple Memory"
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "value": "gpt-4o-mini",
          "mode": "list",
          "cachedResultName": "gpt-4o-mini"
        },
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.2,
      "position": [-220, 400],
      "id": "c4e1f4a2-5c36-49c9-9eea-9f7353564e88",
      "name": "OpenAI Chat Model"
    }
  ],
  "pinData": {},
  "connections": {
    "Email Agent": { "ai_tool": [[{ "node": "Ultimate Assistant", "type": "ai_tool", "index": 0 }]] },
    "Contact Agent": { "ai_tool": [[{ "node": "Ultimate Assistant", "type": "ai_tool", "index": 0 }]] },
    "Content Creator Agent": { "ai_tool": [[{ "node": "Ultimate Assistant", "type": "ai_tool", "index": 0 }]] },
    "Tavily": { "ai_tool": [[{ "node": "Ultimate Assistant", "type": "ai_tool", "index": 0 }]] },
    "Calculator": { "ai_tool": [[{ "node": "Ultimate Assistant", "type": "ai_tool", "index": 0 }]] },
    "Calendar Agent": { "ai_tool": [[{ "node": "Ultimate Assistant", "type": "ai_tool", "index": 0 }]] },
    "Think": { "ai_tool": [[{ "node": "Ultimate Assistant", "type": "ai_tool", "index": 0 }]] },
    "Telegram Trigger": { "main": [[{ "node": "Switch", "type": "main", "index": 0 }]] },
    "Download Voice File": { "main": [[{ "node": "Transcribe Audio", "type": "main", "index": 0 }]] },
    "Switch": { "main": [[{ "node": "Download Voice File", "type": "main", "index": 0 }], [{ "node": "Set 'Text'", "type": "main", "index": 0 }]] },
    "Set 'Text'": { "main": [[{ "node": "Ultimate Assistant", "type": "main", "index": 0 }]] },
    "Transcribe Audio": { "main": [[{ "node": "Ultimate Assistant", "type": "main", "index": 0 }]] },
    "Ultimate Assistant": { "main": [[{ "node": "Response", "type": "main", "index": 0 }]] },
    "Simple Memory": { "ai_memory": [[{ "node": "Ultimate Assistant", "type": "ai_memory", "index": 0 }]] },
    "OpenAI Chat Model": { "ai_languageModel": [[{ "node": "Ultimate Assistant", "type": "ai_languageModel", "index": 0 }]] }
  },
  "active": false,
  "settings": { "executionOrder": "v1" }
}

Telegram Trigger（メッセージ受信）
    ↓
Switch（振り分け）
    ├→ 音声の場合: Download Voice File → Transcribe Audio
    └→ テキストの場合: Set 'Text'
    ↓
Ultimate Assistant（親エージェント）
    ├→ 子エージェント（Email / Calendar / Contact / Content Creator）
    ├→ Tavily（Web検索）
    ├→ Calculator（計算）
    └→ Think（思考整理）
    ↓
Response（Telegramに返信）

例: 1234567890:ABCdefGHIjklMNOpqrsTUVwxyz

Telegram Trigger
    ↓
Switch
    ├→ Voice（音声）: message.voice.file_id が存在する場合
    └→ Text（テキスト）: message.text が存在する場合

Download Voice File → Transcribe Audio → Ultimate Assistant

{{ $('Telegram Trigger').item.json.message.chat.id }}