GPT-4.1-miniチャットアシスタントを使用してプロジェクトタスクをGoogleシートに追加

上級

これはProject Management, AI Chatbot分野の自動化ワークフローで、17個のノードを含みます。主にIf, GoogleSheets, Chat, Agent, ChatTriggerなどのノードを使用。 GPT-4.1-miniチャットアシスタントでプロジェクトタスクをGoogleスプレッドシートに追加

前提条件
  • Google Sheets API認証情報
  • OpenAI API Key
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
  "meta": {
    "instanceId": "ad0113c344ee237399e44e9f11798b05baeb83a6196d514a9ae9d2ad71c3b5c9",
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "b96307a6-bb22-4556-96a9-89ca63119d1e",
      "name": "チャットトリガー",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -48,
        -240
      ],
      "webhookId": "87dac172-bf37-4f9d-982a-d5ecddc07f38",
      "parameters": {
        "options": {
          "responseMode": "responseNodes"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "ad1d74e7-99a7-481d-8b1e-1c10c41d5571",
      "name": "プロジェクトマネージャーエージェント",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        288,
        0
      ],
      "parameters": {
        "options": {
          "systemMessage": "Goal:\nYou are only helping the user create new tasks in a Google Sheet. Do not handle updates yet.\n\nProcess:\n\nStart by determining whether the user wants to create a new item or update an existing one.\n\nContinue chatting naturally with the user until:\n\nYou know that they want to update (in which case you’ll stop and output that), or\n\nYou’ve gathered all the necessary fields for a new task.\n\nRequired fields for creating a new task:\n\nTask\n\nDescription\n\nStatus\n\nThe user can respond with “don’t know,” in which case that field is left blank (output nothing for that field).\n\nOutput Format:\n\n{\n  \"response\": \"Your message back to the user\",\n  \"info gathered\": {\n    \"type\": \"create or update\",\n    \"Task\": \"\",\n    \"Description\": \"\",\n    \"Status\": \"\"\n  },\n  \"all Info\": \"Yes or No\"\n}\n\n\nRules:\n\n\"type\" can only be \"create\" or \"update\".\n\n\"all Info\" can only be \"Yes\" or \"No\", depending on whether you have all required fields for the chosen action.\n\nKeep chatting with the user until \"all Info\" = \"Yes\"."
        },
        "hasOutputParser": true
      },
      "typeVersion": 2.2
    },
    {
      "id": "59010e50-ee02-4de3-b5a0-346d4178a449",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        64,
        432
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "LC2f70Ar9JzG209n",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "a848cc81-5f47-4858-8a12-9a831486e071",
      "name": "チャットメモリ",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        320,
        256
      ],
      "parameters": {},
      "typeVersion": 1.3
    },
    {
      "id": "10c72aeb-b224-49fb-86cd-93470008271b",
      "name": "構造化出力パーサー",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        496,
        256
      ],
      "parameters": {
        "autoFix": true,
        "jsonSchemaExample": "{\n\t\"response\": \"what you want to say back to the user\", \n  \"info gathered\": \"all of the info you have gathered so far\", \n  \"all Info\": \"Yes or no if you have all of the fields\"\n}"
      },
      "typeVersion": 1.3
    },
    {
      "id": "6fb809a0-142c-400b-b9de-e18ad05b2a07",
      "name": "OpenAI Chat Model1",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        512,
        432
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "LC2f70Ar9JzG209n",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "f14a95f4-5673-43f6-91f8-c23f2c15d508",
      "name": "OpenAI Chat Model2",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        1216,
        -64
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "LC2f70Ar9JzG209n",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "cee60393-1bd8-4f9d-a9d2-d905b5a52806",
      "name": "構造化出力パーサー1",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        1440,
        -80
      ],
      "parameters": {
        "jsonSchemaExample": "{\n\t\"task\": \"task\",\n\t\"description\": \"description\",\n  \"status\": \"status\"\n}"
      },
      "typeVersion": 1.3
    },
    {
      "id": "2b3667cb-be26-496a-adf0-1e0057d0483f",
      "name": "Jsonに書き込み",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        1264,
        -288
      ],
      "parameters": {
        "text": "={{ $json.output['info gathered'] }}",
        "options": {
          "systemMessage": "take in this info and parse it into this json. "
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 2.2
    },
    {
      "id": "724db2b3-48c4-4979-bdd8-b56db7473cf0",
      "name": "付箋1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -208,
        -448
      ],
      "parameters": {
        "color": 7,
        "width": 2448,
        "height": 1136,
        "content": "### AI Project Manager — Add Tasks to Google Sheets from Chat\n\nLet your team create, track, and manage project tasks through natural conversation.  \nThis workflow uses an **AI Project Manager Agent** that chats with users, gathers the task details it needs, and automatically adds them to a **Google Sheet**.\n"
      },
      "typeVersion": 1
    },
    {
      "id": "705cd275-88bd-4002-9e0e-cbc070614196",
      "name": "付箋4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -640,
        -448
      ],
      "parameters": {
        "width": 400,
        "height": 1136,
        "content": "## ⚙️ Setup instructions\n\n### 1. Connect OpenAI\n1. Go to [OpenAI Platform](https://platform.openai.com/api-keys) → copy your API key.  \n2. In n8n, create **New Credentials → OpenAI API** and paste your key.  \n3. Ensure your account has active billing under [OpenAI Billing](https://platform.openai.com/settings/organization/billing/overview).\n\n### 2. Connect Google Sheets (OAuth2)\n1. In **n8n → Credentials → New → Google Sheets (OAuth2)**  \n2. Sign in with your Google account and **grant access**.  \n3. Select your spreadsheet and tab (e.g., “Tasks”) when prompted.  \n   - Example sheet: `https://docs.google.com/spreadsheets/d/1pbK-B-Q9p8fVjxJIsjEVrAfRgqEPCeYw8rZojZPAb84/edit`\n\n### 3. Test your chat\nClick **Execute Workflow**, then start chatting:  \n> “Add a task for reviewing the project report tomorrow.”  \nThe agent will ask questions if needed, then add the record to your sheet.\n\n---\n\n\n\n## 📬 Contact  \nNeed help customizing this (e.g., adding deadlines, linking to Notion, or Slack notifications)?  \n\n- 📧 **robert@ynteractive.com**  \n- 🔗 **[Robert Breen](https://www.linkedin.com/in/robert-breen-29429625/)**  \n- 🌐 **[ynteractive.com](https://ynteractive.com)**  "
      },
      "typeVersion": 1
    },
    {
      "id": "7783171c-3b32-4a8c-8b50-4017c024506a",
      "name": "付箋64",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1632,
        -272
      ],
      "parameters": {
        "color": 3,
        "width": 256,
        "height": 656,
        "content": "### 2) Connect Google Sheets (OAuth2)\n\n1. In **n8n → Credentials → New → Google Sheets (OAuth2)**  \n2. Sign in with your Google account and **grant access**.  \n3. In your workflow’s **Google Sheets** node (e.g., *Append or Update*), select this spreadsheet and tab:  \n   - **Spreadsheet URL:** https://docs.google.com/spreadsheets/d/1pbK-B-Q9p8fVjxJIsjEVrAfRgqEPCeYw8rZojZPAb84/edit?gid=0#gid=0\n"
      },
      "typeVersion": 1
    },
    {
      "id": "d3082998-cae4-4be1-97a4-55c37fae9452",
      "name": "タスクを追加",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1712,
        160
      ],
      "parameters": {
        "columns": {
          "value": {
            "Task": "={{ $json.output.task }}",
            "Status": "={{ $json.output.status }}",
            "Description": "={{ $json.output.description }}"
          },
          "schema": [
            {
              "id": "Task",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "Task",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "Description",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Description",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "Status",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Status",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [
            "Task"
          ],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "appendOrUpdate",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1pbK-B-Q9p8fVjxJIsjEVrAfRgqEPCeYw8rZojZPAb84/edit#gid=0",
          "cachedResultName": "Tasks"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1pbK-B-Q9p8fVjxJIsjEVrAfRgqEPCeYw8rZojZPAb84",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1pbK-B-Q9p8fVjxJIsjEVrAfRgqEPCeYw8rZojZPAb84/edit?usp=drivesdk",
          "cachedResultName": "Project Manager"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "HlBW2puZbuCCq8jJ",
          "name": "Google Sheets account 3"
        }
      },
      "typeVersion": 4.7
    },
    {
      "id": "0cfb869e-1572-4a14-b280-f41c274b5c3e",
      "name": "完了を応答",
      "type": "@n8n/n8n-nodes-langchain.chat",
      "position": [
        2000,
        -288
      ],
      "parameters": {
        "message": "=Item Added",
        "options": {},
        "waitUserReply": false
      },
      "typeVersion": 1
    },
    {
      "id": "72085766-5d15-4556-b034-2b009340bfbd",
      "name": "全情報あり?",
      "type": "n8n-nodes-base.if",
      "position": [
        640,
        0
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "852bfa85-8367-4822-ae6b-e8490c57f00e",
              "operator": {
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.output['all Info'] }}",
              "rightValue": "Yes"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "eaa01a56-d5c6-415e-b445-56a8dedc8a5e",
      "name": "付箋29",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -48,
        256
      ],
      "parameters": {
        "color": 3,
        "width": 288,
        "height": 304,
        "content": "### 1 Set Up OpenAI Connection\n1. Go to [OpenAI Platform](https://platform.openai.com/api-keys)  \n2. Navigate to [OpenAI Billing](https://platform.openai.com/settings/organization/billing/overview)  \n3. Add funds to your billing account  \n4. Copy your API key into the **OpenAI credentials** in n8n  "
      },
      "typeVersion": 1
    },
    {
      "id": "6959a232-2f84-438e-830a-15cc240f6c5b",
      "name": "詳細情報を取得",
      "type": "@n8n/n8n-nodes-langchain.chat",
      "position": [
        992,
        128
      ],
      "parameters": {
        "message": "={{ $json.output.response }}",
        "options": {},
        "waitUserReply": false
      },
      "typeVersion": 1
    }
  ],
  "pinData": {},
  "connections": {
    "d3082998-cae4-4be1-97a4-55c37fae9452": {
      "main": [
        [
          {
            "node": "0cfb869e-1572-4a14-b280-f41c274b5c3e",
            "type": "main",
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    "2b3667cb-be26-496a-adf0-1e0057d0483f": {
      "main": [
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            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "a848cc81-5f47-4858-8a12-9a831486e071": {
      "ai_memory": [
        [
          {
            "node": "ad1d74e7-99a7-481d-8b1e-1c10c41d5571",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "b96307a6-bb22-4556-96a9-89ca63119d1e": {
      "main": [
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            "node": "ad1d74e7-99a7-481d-8b1e-1c10c41d5571",
            "type": "main",
            "index": 0
          }
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    "72085766-5d15-4556-b034-2b009340bfbd": {
      "main": [
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            "type": "main",
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    "59010e50-ee02-4de3-b5a0-346d4178a449": {
      "ai_languageModel": [
        [
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            "node": "ad1d74e7-99a7-481d-8b1e-1c10c41d5571",
            "type": "ai_languageModel",
            "index": 0
          }
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    "6fb809a0-142c-400b-b9de-e18ad05b2a07": {
      "ai_languageModel": [
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            "type": "ai_languageModel",
            "index": 0
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    "f14a95f4-5673-43f6-91f8-c23f2c15d508": {
      "ai_languageModel": [
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            "type": "ai_languageModel",
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            "type": "main",
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            "type": "ai_outputParser",
            "index": 0
          }
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    "cee60393-1bd8-4f9d-a9d2-d905b5a52806": {
      "ai_outputParser": [
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            "type": "ai_outputParser",
            "index": 0
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  }
}
よくある質問

このワークフローの使い方は?

上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。

このワークフローはどんな場面に適していますか?

上級 - プロジェクト管理, AIチャットボット

有料ですか?

このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス(OpenAI APIなど)は別途料金が発生する場合があります。

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ワークフロー情報
難易度
上級
ノード数17
カテゴリー2
ノードタイプ9
難易度説明

上級者向け、16ノード以上の複雑なワークフロー

作成者
Robert Breen

Robert Breen

@rbreen

Professional services consultant with over 10 years of experience solving complex business problems across industries. I specialize in n8n and process automation—designing custom workflows that integrate tools like Google Calendar, Airtable, GPT, and internal systems. Whether you need to automate scheduling, sync data, or streamline operations, I build solutions that save time and drive results.

外部リンク
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カテゴリー: 34