MongoDB 智能代理

• •MongoDB 连接字符串
• •OpenAI API Key

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    "instanceId": "fa7d5e2425ec76075df7100dbafffed91cc6f71f12fe92614bf78af63c54a61d",
    "templateCredsSetupCompleted": true
  },
  "name": "MongoDB Agent",
  "tags": [],
  "nodes": [
    {
      "id": "d8c07efe-eca0-48cb-80e6-ea8117073c5f",
      "name": "OpenAI 聊天模型",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
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      ],
      "parameters": {
        "options": {}
      },
      "credentials": {
        "openAiApi": {
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          "name": "OpenAi account"
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      },
      "typeVersion": 1
    },
    {
      "id": "636de178-7b68-429a-9371-41cf2a950076",
      "name": "MongoDB聚合",
      "type": "n8n-nodes-base.mongoDbTool",
      "position": [
        1640,
        540
      ],
      "parameters": {
        "query": "={{   $fromAI(\"pipeline\", \"The MongoDB pipeline to execute\" , \"string\" , [{\"$match\" : { \"rating\" : 5 }  }])}}",
        "operation": "aggregate",
        "collection": "movies",
        "descriptionType": "manual",
        "toolDescription": "Get from AI the MongoDB Aggregation pipeline to get context based on the provided pipeline, the document structure of the documents is : {\n  \"plot\": \"A group of bandits stage a brazen train hold-up, only to find a determined posse hot on their heels.\",\n  \"genres\": [\n    \"Short\",\n    \"Western\"\n  ],\n  \"runtime\": 11,\n  \"cast\": [\n    \"A.C. Abadie\",\n    \"Gilbert M. 'Broncho Billy' Anderson\",\n    ...\n  ],\n  \"poster\": \"...jpg\",\n  \"title\": \"The Great Train Robbery\",\n  \"fullplot\": \"Among the earliest existing films in American cinema - notable as the ...\",\n  \"languages\": [\n    \"English\"\n  ],\n  \"released\": \"date\"\n  },\n  \"directors\": [\n    \"Edwin S. Porter\"\n  ],\n  \"rated\": \"TV-G\",\n  \"awards\": {\n    \"wins\": 1,\n    \"nominations\": 0,\n    \"text\": \"1 win.\"\n  },\n  \"lastupdated\": \"2015-08-13 00:27:59.177000000\",\n  \"year\": 1903,\n  \"imdb\": {\n    \"rating\": 7.4,"
      },
      "credentials": {
        "mongoDb": {
          "id": "8xGgiXzf2o0L4a0y",
          "name": "MongoDB account"
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      },
      "typeVersion": 1.1
    },
    {
      "id": "e0f248dc-22b7-40a2-a00e-6298b51e4470",
      "name": "窗口缓冲内存",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
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      "parameters": {
        "contextWindowLength": 10
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      "name": "当收到聊天消息时",
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      "position": [
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      ],
      "webhookId": "0730df2d-2f90-45e0-83dc-609668260fda",
      "parameters": {
        "mode": "webhook",
        "public": true,
        "options": {
          "allowedOrigins": "*"
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      },
      "typeVersion": 1.1
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    {
      "id": "9ad79da9-3145-44be-9026-e37b0e856f5d",
      "name": "插入收藏",
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "position": [
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      ],
      "parameters": {
        "name": "insertFavorites",
        "workflowId": {
          "__rl": true,
          "mode": "list",
          "value": "6QuKnOrpusQVu66Q",
          "cachedResultName": "insertMongoDB"
        },
        "description": "=仅使用此工具添加收藏，结构为 {\"title\" : \"接收到的标题\" }"
      },
      "typeVersion": 1.2
    },
    {
      "id": "4d7713d1-d2ad-48bf-971b-b86195e161ca",
      "name": "AI Agent - 电影推荐",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
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      ],
      "parameters": {
        "text": "=Assistant for best movies context, you have tools to search using \"MongoDBAggregate\" and you need to provide a MongoDB aggregation pipeline code array as a \"query\" input param. User input and request: {{ $json.chatInput }}. Only when a user confirms a favorite movie use the insert favorite using the \"insertFavorite\" workflow tool of to insertFavorite as { \"title\" : \"<TITLE>\" }.",
        "options": {},
        "promptType": "define"
      },
      "typeVersion": 1.7
    },
    {
      "id": "2eac8aed-9677-4d89-bd76-456637f5b979",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
        "width": 216.0875923062025,
        "height": 499.89779507612025,
        "content": "## 由 OpenAI 和 MongoDB 驱动的 AI Agent"
      },
      "typeVersion": 1
    },
    {
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      "name": "便签1",
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      "parameters": {
        "content": "## 处理流程"
      },
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    }
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  "pinData": {},
  "settings": {
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  "connections": {
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    },
    "MongoDBAggregate": {
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            "type": "ai_tool",
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          }
        ]
      ]
    },
    "OpenAI Chat Model": {
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            "node": "AI Agent - Movie Recommendation",
            "type": "ai_languageModel",
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          }
        ]
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    },
    "Window Buffer Memory": {
      "ai_memory": [
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            "node": "AI Agent - Movie Recommendation",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
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            "node": "AI Agent - Movie Recommendation",
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