評価指標の例:ツールが呼び出されたかどうかを確認

中級

これはEngineering, AI分野の自動化ワークフローで、15個のノードを含みます。主にSet, Evaluation, Agent, HttpRequestTool, EvaluationTriggerなどのノードを使用、AI技術を活用したスマート自動化を実現。 評価指標の例:ツールが呼び出しされているかチェック

前提条件
  • ターゲットAPIの認証情報が必要な場合あり
  • 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": "bf40384a063e00f3b983f4f9bada22b57a8231a04c0fb48d363e26d7b0f2b7e7",
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "ffd0cca6-4a60-4058-b3fb-c92d949ea864",
      "name": "AIエージェント",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        -960,
        -120
      ],
      "parameters": {
        "options": {
          "returnIntermediateSteps": true
        }
      },
      "typeVersion": 1.9
    },
    {
      "id": "73055399-e667-45cb-8a32-accb83dd74f8",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        -1000,
        140
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "Ag9qPAsY7lpIGkvC",
          "name": "JPs n8n openAI key"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "54ffa0e9-dbf7-4406-9952-485ca46d1172",
      "name": "電卓",
      "type": "@n8n/n8n-nodes-langchain.toolCalculator",
      "position": [
        -840,
        140
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "09dcce53-ce33-4263-b903-655db12d13dd",
      "name": "ツール呼び出し確認",
      "type": "n8n-nodes-base.set",
      "position": [
        -340,
        -240
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "58c48e6f-4a12-4bf6-94ae-705244273a84",
              "name": "tool_called",
              "type": "boolean",
              "value": "={{ $json.intermediateSteps.filter(x => x.action.tool == $('When fetching a dataset row').item.json.tool_to_call).length > 0 }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "62fb0980-6c8e-4ab6-b914-59339b4b385f",
      "name": "ウェブページ取得",
      "type": "n8n-nodes-base.httpRequestTool",
      "position": [
        -700,
        140
      ],
      "parameters": {
        "url": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('URL', ``, 'string') }}",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "ec4c82df-8804-49f2-a8ba-348f29b97cd6",
      "name": "付箋",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -980,
        -200
      ],
      "parameters": {
        "color": 7,
        "width": 300,
        "height": 220,
        "content": "Make sure to enable 'Return intermediate steps' in the agent, to get the list of executed tools"
      },
      "typeVersion": 1
    },
    {
      "id": "f6fa8aef-4362-4691-85fc-2612eb1dee63",
      "name": "チャットメッセージ受信時",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -1440,
        -240
      ],
      "webhookId": "c4dc43bf-4625-4821-bd9d-ca22a2f34170",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1
    },
    {
      "id": "d1274230-aa4d-4456-93ea-8123e263df7d",
      "name": "チャット形式の一致確認",
      "type": "n8n-nodes-base.set",
      "position": [
        -1220,
        40
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "e6e064bb-ac06-40ca-97bf-42f682b30065",
              "name": "chatInput",
              "type": "string",
              "value": "={{ $json.question }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "474a2321-7a4c-41be-a8fa-718f5a093171",
      "name": "付箋1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -380,
        -320
      ],
      "parameters": {
        "color": 7,
        "width": 180,
        "height": 240,
        "content": "Check whether the list of executed tools contains the target tool"
      },
      "typeVersion": 1
    },
    {
      "id": "3351706d-e7e9-4701-9224-b4c873167c0d",
      "name": "チャット応答を返す",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -340,
        40
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "e7beb2d8-f864-4aea-84f2-0d82987f52f8",
      "name": "付箋3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1740,
        -280
      ],
      "parameters": {
        "width": 200,
        "height": 500,
        "content": "## How it works\nThis template shows how to calculate a workflow evaluation metric: **whether a specific tool was called** by an agent.\n\nYou can find more information on workflow evaluation [here](https://docs.n8n.io/advanced-ai/evaluations/overview), and other metric examples [here](https://docs.n8n.io/advanced-ai/evaluations/metric-based-evaluations/#2-calculate-metrics)."
      },
      "typeVersion": 1
    },
    {
      "id": "a990cca2-7ea5-4d43-9cc2-b6257299bcc1",
      "name": "付箋4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1500,
        -60
      ],
      "parameters": {
        "color": 7,
        "width": 220,
        "height": 260,
        "content": "Read in [this test dataset](https://docs.google.com/spreadsheets/d/1uuPS5cHtSNZ6HNLOi75A2m8nVWZrdBZ_Ivf58osDAS8/edit?gid=969651976#gid=969651976) of questions and the tools that should be called when answering them"
      },
      "typeVersion": 1
    },
    {
      "id": "f0f7e18c-029f-4e0a-ac2f-168e10b5f51f",
      "name": "データセット行取得時",
      "type": "n8n-nodes-base.evaluationTrigger",
      "position": [
        -1440,
        40
      ],
      "parameters": {
        "sheetName": {
          "__rl": true,
          "mode": "url",
          "value": "https://docs.google.com/spreadsheets/d/1uuPS5cHtSNZ6HNLOi75A2m8nVWZrdBZ_Ivf58osDAS8/edit?gid=969651976#gid=969651976"
        },
        "documentId": {
          "__rl": true,
          "mode": "url",
          "value": "https://docs.google.com/spreadsheets/d/1uuPS5cHtSNZ6HNLOi75A2m8nVWZrdBZ_Ivf58osDAS8/edit?gid=969651976#gid=969651976"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "bpr2LoSELMlxpwnN",
          "name": "Google Sheets account David"
        }
      },
      "typeVersion": 4.6
    },
    {
      "id": "e0c49dc5-a06b-4552-b53c-e5dfc51017e0",
      "name": "評価",
      "type": "n8n-nodes-base.evaluation",
      "position": [
        -120,
        -240
      ],
      "parameters": {
        "metrics": {
          "assignments": [
            {
              "id": "66ed21d5-a10a-47a3-993d-459aa4a4fbba",
              "name": "tool_called",
              "type": "number",
              "value": "={{ $json.tool_called.toNumber() }}"
            }
          ]
        },
        "operation": "setMetrics"
      },
      "typeVersion": 4.6
    },
    {
      "id": "5b14c47b-2dae-4ca7-882c-d0ec722eadab",
      "name": "評価中?",
      "type": "n8n-nodes-base.evaluation",
      "position": [
        -580,
        -120
      ],
      "parameters": {
        "operation": "checkIfEvaluating"
      },
      "typeVersion": 4.6
    }
  ],
  "pinData": {},
  "connections": {
    "ffd0cca6-4a60-4058-b3fb-c92d949ea864": {
      "main": [
        [
          {
            "node": "5b14c47b-2dae-4ca7-882c-d0ec722eadab",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "54ffa0e9-dbf7-4406-9952-485ca46d1172": {
      "ai_tool": [
        [
          {
            "node": "ffd0cca6-4a60-4058-b3fb-c92d949ea864",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "5b14c47b-2dae-4ca7-882c-d0ec722eadab": {
      "main": [
        [
          {
            "node": "09dcce53-ce33-4263-b903-655db12d13dd",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "3351706d-e7e9-4701-9224-b4c873167c0d",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "62fb0980-6c8e-4ab6-b914-59339b4b385f": {
      "ai_tool": [
        [
          {
            "node": "ffd0cca6-4a60-4058-b3fb-c92d949ea864",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "d1274230-aa4d-4456-93ea-8123e263df7d": {
      "main": [
        [
          {
            "node": "ffd0cca6-4a60-4058-b3fb-c92d949ea864",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "73055399-e667-45cb-8a32-accb83dd74f8": {
      "ai_languageModel": [
        [
          {
            "node": "ffd0cca6-4a60-4058-b3fb-c92d949ea864",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "09dcce53-ce33-4263-b903-655db12d13dd": {
      "main": [
        [
          {
            "node": "e0c49dc5-a06b-4552-b53c-e5dfc51017e0",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "f6fa8aef-4362-4691-85fc-2612eb1dee63": {
      "main": [
        [
          {
            "node": "ffd0cca6-4a60-4058-b3fb-c92d949ea864",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "f0f7e18c-029f-4e0a-ac2f-168e10b5f51f": {
      "main": [
        [
          {
            "node": "d1274230-aa4d-4456-93ea-8123e263df7d",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
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?

中級 - エンジニアリング, 人工知能

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。

ワークフロー情報
難易度
中級
ノード数15
カテゴリー2
ノードタイプ10
難易度説明

経験者向け、6-15ノードの中程度の複雑さのワークフロー

外部リンク
n8n.ioで表示

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カテゴリー

カテゴリー: 34