RAGとGoogle Gemini APIを使用したIPLクリケット規定質疑応答チャットボット

• •ターゲットAPIの認証情報が必要な場合あり
• •Google Gemini API Key

{
  "id": "CkgF5zRqCL4BS6I5",
  "meta": {
    "instanceId": "5c50f3d58b333c0490a31213f0ec76116e02346dcdd9088649ba9dd6fbe45ca1",
    "templateCredsSetupCompleted": true
  },
  "name": "IPL Cricket Rules Q&A Chat Bot using RAG and Google Gemini API",
  "tags": [],
  "nodes": [
    {
      "id": "4c32f558-efff-4eff-b714-202c7419a96c",
      "name": "チャットメッセージ受信時",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        -1216,
        192
      ],
      "webhookId": "4df707a8-70c8-4fab-a970-a97ce7d7594f",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1
    },
    {
      "id": "352186bb-07d1-4d7d-9f0f-b57e0880fc11",
      "name": "AIエージェント",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        -1008,
        64
      ],
      "parameters": {
        "options": {
          "systemMessage": "You are a cricket expert. \n\nYou are tasked with answering questions on ipl cricket queries. Information should only be referred to and provided if it is provided explicitly in the data base to you. Your goal is to provide accurate information based on this information.\n\nIf information is not provided to you explicitly or if you can not answer the question using the provided information, say \"Sorry I donot know\""
        }
      },
      "typeVersion": 2.1
    },
    {
      "id": "15f7fbdc-ab77-4007-9a8e-8ddbe881d984",
      "name": "シンプルメモリ",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        -784,
        336
      ],
      "parameters": {
        "contextWindowLength": 20
      },
      "typeVersion": 1.3
    },
    {
      "id": "dc61d50a-fdd8-4a21-974f-33aa8aab5c0a",
      "name": "シンプルベクトルストア",
      "type": "@n8n/n8n-nodes-langchain.vectorStoreInMemory",
      "position": [
        -720,
        176
      ],
      "parameters": {
        "mode": "retrieve-as-tool",
        "topK": 10,
        "memoryKey": {
          "__rl": true,
          "mode": "list",
          "value": "vector_store_key"
        },
        "toolDescription": "This is a repository of ipl cricket rules and international cricket rules"
      },
      "typeVersion": 1.3
    },
    {
      "id": "69f8782c-c5d2-4693-bc00-a2ab58c61e08",
      "name": "Google Gemini チャットモデル",
      "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
      "position": [
        -944,
        336
      ],
      "parameters": {
        "options": {
          "topP": 0.3
        }
      },
      "credentials": {
        "googlePalmApi": {
          "id": "3f4CCF4BMZnEfG6y",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "33d9a2a4-6f13-4cbe-a3b3-19f3d0b7d6a1",
      "name": "Google Gemini 埋め込み",
      "type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
      "position": [
        -608,
        320
      ],
      "parameters": {},
      "credentials": {
        "googlePalmApi": {
          "id": "3f4CCF4BMZnEfG6y",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "05bbad6c-877c-4d6d-90e1-6c82d6560ae2",
      "name": "シンプルベクトルストア1",
      "type": "@n8n/n8n-nodes-langchain.vectorStoreInMemory",
      "position": [
        -896,
        -544
      ],
      "parameters": {
        "mode": "insert",
        "memoryKey": {
          "__rl": true,
          "mode": "list",
          "value": "vector_store_key"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "34948452-2e69-40cc-9b86-b78500873aab",
      "name": "Google Gemini1 埋め込み",
      "type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
      "position": [
        -896,
        -320
      ],
      "parameters": {},
      "credentials": {
        "googlePalmApi": {
          "id": "3f4CCF4BMZnEfG6y",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "d6b2871c-78c6-4785-8913-262eb2364f7d",
      "name": "デフォルトデータローダー",
      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
      "position": [
        -720,
        -400
      ],
      "parameters": {
        "options": {},
        "dataType": "binary",
        "textSplittingMode": "custom"
      },
      "typeVersion": 1.1
    },
    {
      "id": "6818e50a-ecc1-40e5-aac9-9d38fc85d3ec",
      "name": "再帰的文字テキスト分割器",
      "type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
      "position": [
        -704,
        -256
      ],
      "parameters": {
        "options": {},
        "chunkOverlap": 200
      },
      "typeVersion": 1
    },
    {
      "id": "48da425a-c41f-4301-b4a7-df00f604ba5b",
      "name": "HTTP リクエスト",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -1040,
        -448
      ],
      "parameters": {
        "url": "https://documents.iplt20.com/bcci/documents/1742707993986_Match_Playing_Conditions.pdf",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "3fc9062b-fdef-421d-a7a3-d348c83cb51c",
      "name": "「ワークフロー実行」クリック時",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -1232,
        -448
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "60491e32-d0c1-4e4a-922f-8ce976b481d1",
      "name": "付箋",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2576,
        -48
      ],
      "parameters": {
        "color": 6,
        "width": 2144,
        "height": 624,
        "content": "## Step 2\n## 2.1 Chat Trigger to initiate n8n native chat interface\n## 2.2 Simple Memory keeps the last 20 chat turns for context. This value can be edited within the node\n## 2.3 Simple Vector Store (retrieve-as-tool mode) receives the user’s query embedding, \n## finds the top-10 most relevant chunks stored in step 1, and supplies them as tool output. This will drive RAG\n**The name of vector store should match from Step 1, the embedding rule should match step 1\n## 2.4 Google Gemini Chat Model is the language model that is used as the llm model\n## 2.5 AI Agent orchestrates everything:\n** Uses the system prompt (“You are a cricket expert… If info is missing, say ‘Sorry I don’t know’”). to prompt the model\n** Has access to the memory (2.2) and the RAG tool (2.3).\n** Generates the final response with Google Gemini, strictly limited to the retrieved IPL cricket rules data.\n\n\n\n\n\n\n## Note: Google gemini API key credential needed\n##Using simple memory store nodes provided by n8n is the best way to get started to test out the workflow before you switch to more enterprise grade vector store nodes"
      },
      "typeVersion": 1
    },
    {
      "id": "1909411f-90b0-4cd5-823a-39f4f918cc5e",
      "name": "付箋1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2576,
        -624
      ],
      "parameters": {
        "width": 2160,
        "height": 544,
        "content": "## Step 1\n## Load the reference material (run once via the Manual Trigger)\n## 1.1 Manual Trigger → HTTP Request downloads the IPL “Match Playing Conditions” PDF. \n## 1.2 Default Data Loader extracts text from the PDF.\n   **Type of data is binary\n## 1.3 Recursive Character Text Splitter breaks the text into overlapping chunks.\n   **This step ensures that the data chunks that are created in vector store have some overlap and hence less chance of hallucination\n   **Chunk size and chunk overlap are 2 variables to manage this \n## 1.4 Embeddings Google Gemini (1) converts each chunk to a vector.\n   **Connect the model with google gemini model. You will need your own api key for this\n   **Make note of the embedding model also since the same embedding model has to be selected in Step 2\n## 1.5 Simple Vector Store 1 inserts those vectors into an in-memory store under key\n   **Make note of the vector store name since it is same vector store you will have to use in Step 2\n\n\n## Note: Google gemini API key credential needed\n##Using Vector store nodes provided by n8n is the best way to get started to test out the workflow before you switch to more enterprise grade vector store nodes"
      },
      "typeVersion": 1
    },
    {
      "id": "63e38b73-3e30-47d7-86bb-afa2ad92dc2b",
      "name": "付箋7",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2576,
        -768
      ],
      "parameters": {
        "color": 5,
        "width": 2160,
        "height": 128,
        "content": "## This workflow has 2 Broad Steps\n## Step 1 - Vector store creation with set of ipl rules using Google Gemini Embedding. This will we used to drive RAG for model grouding    \n## Step 2 - Connecting the vector store with google gemini API model and enabling a chat interface to drive the chat bot\n"
      },
      "typeVersion": 1
    },
    {
      "id": "f45e2852-88a8-4f70-a124-01f2b06d9a19",
      "name": "付箋2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1232,
        -544
      ],
      "parameters": {
        "color": 3,
        "width": 278,
        "height": 80,
        "content": "## Step 1.1"
      },
      "typeVersion": 1
    },
    {
      "id": "0b72e856-23c6-42c2-860e-8f761f861d95",
      "name": "付箋3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -608,
        -304
      ],
      "parameters": {
        "color": 3,
        "width": 166,
        "height": 128,
        "content": "## Step 1.2\n## Step 1.3"
      },
      "typeVersion": 1
    },
    {
      "id": "96c343b7-3961-49c1-97e0-35b4eee90d78",
      "name": "付箋4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1088,
        -240
      ],
      "parameters": {
        "color": 3,
        "width": 150,
        "height": 80,
        "content": "## Step 1.4"
      },
      "typeVersion": 1
    },
    {
      "id": "f78516ba-4b17-4e48-9450-ba5d7cb123f1",
      "name": "付箋5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -592,
        -544
      ],
      "parameters": {
        "color": 3,
        "width": 150,
        "height": 80,
        "content": "## Step 1.5"
      },
      "typeVersion": 1
    },
    {
      "id": "b97281a4-6b1f-41a1-9a1e-c48be5a6854c",
      "name": "付箋6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1248,
        96
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## Step 2.1"
      },
      "typeVersion": 1
    },
    {
      "id": "a8de0dce-eaa0-441d-b050-5374741f3b5f",
      "name": "付箋8",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -976,
        464
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## Step 2.4"
      },
      "typeVersion": 1
    },
    {
      "id": "1f405862-c83e-4687-b919-3e128bcd2073",
      "name": "付箋9",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -608,
        64
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## Step 2.3"
      },
      "typeVersion": 1
    },
    {
      "id": "dfb4cbe2-f6b0-45c4-bda7-d5f33a3b8e5f",
      "name": "付箋10",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -800,
        464
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## Step 2.2"
      },
      "typeVersion": 1
    },
    {
      "id": "c5cfbb0b-2d09-40b8-ba18-5c4028d8a556",
      "name": "付箋11",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -928,
        -32
      ],
      "parameters": {
        "color": 4,
        "width": 160,
        "height": 80,
        "content": "## Step 2.5"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "98c130a5-eef0-4246-8a95-88a29c4e8ce6",
  "connections": {
    "48da425a-c41f-4301-b4a7-df00f604ba5b": {
      "main": [
        [
          {
            "node": "05bbad6c-877c-4d6d-90e1-6c82d6560ae2",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "15f7fbdc-ab77-4007-9a8e-8ddbe881d984": {
      "ai_memory": [
        [
          {
            "node": "352186bb-07d1-4d7d-9f0f-b57e0880fc11",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "d6b2871c-78c6-4785-8913-262eb2364f7d": {
      "ai_document": [
        [
          {
            "node": "05bbad6c-877c-4d6d-90e1-6c82d6560ae2",
            "type": "ai_document",
            "index": 0
          }
        ]
      ]
    },
    "dc61d50a-fdd8-4a21-974f-33aa8aab5c0a": {
      "ai_tool": [
        [
          {
            "node": "352186bb-07d1-4d7d-9f0f-b57e0880fc11",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "33d9a2a4-6f13-4cbe-a3b3-19f3d0b7d6a1": {
      "ai_embedding": [
        [
          {
            "node": "dc61d50a-fdd8-4a21-974f-33aa8aab5c0a",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "69f8782c-c5d2-4693-bc00-a2ab58c61e08": {
      "ai_languageModel": [
        [
          {
            "node": "352186bb-07d1-4d7d-9f0f-b57e0880fc11",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "34948452-2e69-40cc-9b86-b78500873aab": {
      "ai_embedding": [
        [
          {
            "node": "05bbad6c-877c-4d6d-90e1-6c82d6560ae2",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "4c32f558-efff-4eff-b714-202c7419a96c": {
      "main": [
        [
          {
            "node": "352186bb-07d1-4d7d-9f0f-b57e0880fc11",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "6818e50a-ecc1-40e5-aac9-9d38fc85d3ec": {
      "ai_textSplitter": [
        [
          {
            "node": "d6b2871c-78c6-4785-8913-262eb2364f7d",
            "type": "ai_textSplitter",
            "index": 0
          }
        ]
      ]
    },
    "3fc9062b-fdef-421d-a7a3-d348c83cb51c": {
      "main": [
        [
          {
            "node": "48da425a-c41f-4301-b4a7-df00f604ba5b",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}