高级AI演示（在AI开发者第14次聚会中展示）

• •Google 账号和 Gmail API 凭证
• •Slack Bot Token 或 Webhook URL
• •HTTP Webhook 端点（n8n 会自动生成）
• •可能需要目标 API 的认证凭证
• •OpenAI API Key
• •Anthropic API Key
• •Pinecone API Key

{
  "meta": {
    "instanceId": "84ba6d895254e080ac2b4916d987aa66b000f88d4d919a6b9c76848f9b8a7616",
    "templateId": "2358"
  },
  "nodes": [
    {
      "id": "fb774d11-da48-4481-ad4e-8c93274f123e",
      "name": "发送消息",
      "type": "n8n-nodes-base.slack",
      "position": [
        2340,
        580
      ],
      "parameters": {
        "text": "=Data from webhook:  {{ $json.query.email }}",
        "select": "channel",
        "channelId": {
          "__rl": true,
          "mode": "list",
          "value": "C079GL6K3U6",
          "cachedResultName": "general"
        },
        "otherOptions": {},
        "authentication": "oAuth2"
      },
      "typeVersion": 2.2
    },
    {
      "id": "5a3ad8f1-eba7-4076-80fc-0c1237aab50b",
      "name": "便签2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        380,
        240
      ],
      "parameters": {
        "color": 7,
        "width": 1163.3132111854613,
        "height": 677.0358687053997,
        "content": "![h](https://i.postimg.cc/9XLvL5dL/slide-sf-talk.png#full-width)"
      },
      "typeVersion": 1
    },
    {
      "id": "01c59396-0fef-4d1c-aa1f-787669300650",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1860,
        240
      ],
      "parameters": {
        "color": 7,
        "width": 437,
        "height": 99,
        "content": "# 什么是 n8n？"
      },
      "typeVersion": 1
    },
    {
      "id": "0bdd4a35-7f5c-443c-a14a-4e6f7ed18712",
      "name": "执行 JavaScript",
      "type": "n8n-nodes-base.code",
      "position": [
        2340,
        380
      ],
      "parameters": {
        "jsCode": "// Loop over input items and add a new field called 'myNewField' to the JSON of each one\nfor (const item of $input.all()) {\n  item.json.myNewField = 1;\n}\n\nreturn $input.all();"
      },
      "typeVersion": 2
    },
    {
      "id": "4b1b6cc1-1a9f-4a0c-96d5-fd179c84c79d",
      "name": "便签3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        4440,
        240
      ],
      "parameters": {
        "color": 6,
        "width": 318,
        "height": 106,
        "content": "# 示例 #2"
      },
      "typeVersion": 1
    },
    {
      "id": "7e9e7802-5695-4240-83b9-d6f02192ad2b",
      "name": "递归字符文本分割器",
      "type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
      "position": [
        5120,
        1000
      ],
      "parameters": {
        "options": {},
        "chunkSize": 3000,
        "chunkOverlap": 200
      },
      "typeVersion": 1
    },
    {
      "id": "63783c21-af6d-4e70-8dec-c861641c53fb",
      "name": "OpenAI 嵌入",
      "type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
      "position": [
        4880,
        820
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1
    },
    {
      "id": "5742ce9c-2f73-4129-85eb-876f562cf6b1",
      "name": "默认数据加载器",
      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
      "position": [
        5100,
        820
      ],
      "parameters": {
        "loader": "pdfLoader",
        "options": {
          "metadata": {
            "metadataValues": [
              {
                "name": "document-title",
                "value": "={{ $('PDFs to download').item.json.whitepaper_title }}"
              },
              {
                "name": "document-publish-year",
                "value": "={{ $('PDFs to download').item.json.publish_year }}"
              },
              {
                "name": "document-author",
                "value": "={{ $('PDFs to download').item.json.author }}"
              }
            ]
          }
        },
        "dataType": "binary"
      },
      "typeVersion": 1
    },
    {
      "id": "686c63fa-4672-4107-bd58-ffbb0650b44b",
      "name": "OpenAI 聊天模型",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        5840,
        840
      ],
      "parameters": {
        "model": "gpt-4o",
        "options": {
          "temperature": 0.3
        }
      },
      "typeVersion": 1
    },
    {
      "id": "73a7df02-aa2c-4f0f-aa88-38cbbbf3b1cb",
      "name": "OpenAI2 嵌入",
      "type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
      "position": [
        5980,
        1140
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1
    },
    {
      "id": "42737305-fd39-4ec7-b4ba-53f70085dd5f",
      "name": "向量存储检索器",
      "type": "@n8n/n8n-nodes-langchain.retrieverVectorStore",
      "position": [
        6040,
        840
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "2c7a3666-e123-439d-8b74-41eb375f066c",
      "name": "下载 PDF",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        4700,
        600
      ],
      "parameters": {
        "url": "={{ $json.file_url }}",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "866eaeb9-6a7c-4209-b485-8ef13ed006b4",
      "name": "要下载的 PDF",
      "type": "n8n-nodes-base.noOp",
      "notes": "BTC Whitepaper + metadata",
      "position": [
        4440,
        600
      ],
      "parameters": {},
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "id": "e78f2191-096c-4575-9d48-fb891fd18698",
      "name": "便签说明4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        4440,
        440
      ],
      "parameters": {
        "color": 4,
        "width": 414.36616595939887,
        "height": 91.0723900084547,
        "content": "## A. 将 PDF 加载到 Pinecone"
      },
      "typeVersion": 1
    },
    {
      "id": "7c3ccf27-32b1-4ea7-b2ef-6997793de733",
      "name": "便签说明5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        5600,
        460
      ],
      "parameters": {
        "color": 4,
        "width": 284.62109466374466,
        "height": 86.95121951219511,
        "content": "## B. 与 PDF 聊天"
      },
      "typeVersion": 1
    },
    {
      "id": "6063d009-da6e-4cbf-899f-c86b879931a7",
      "name": "读取 Pinecone 向量存储",
      "type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
      "position": [
        5980,
        980
      ],
      "parameters": {
        "options": {
          "pineconeNamespace": "whitepaper"
        },
        "pineconeIndex": {
          "__rl": true,
          "mode": "list",
          "value": "whitepapers",
          "cachedResultName": "whitepapers"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "8aa52156-264d-4911-993c-ac5117a76b21",
      "name": "问答链",
      "type": "@n8n/n8n-nodes-langchain.chainRetrievalQa",
      "position": [
        5840,
        620
      ],
      "parameters": {
        "text": "={{ $json.chatInput }}. \nOnly use vector store knowledge to answer the question. Don't make anything up. If you don't know the answer, tell the user that you don't know.",
        "promptType": "define"
      },
      "typeVersion": 1.3
    },
    {
      "id": "b394ee1d-a2ca-4db0-8caa-981f8f066787",
      "name": "便签 6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        7380,
        240
      ],
      "parameters": {
        "color": 6,
        "width": 504.25,
        "height": 106,
        "content": "# 示例 #3"
      },
      "typeVersion": 1
    },
    {
      "id": "37a8b8f2-c444-4c6e-9b02-b97a5c616e84",
      "name": "便签 7",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        3020,
        220
      ],
      "parameters": {
        "color": 6,
        "width": 318,
        "height": 111,
        "content": "# 示例 #1"
      },
      "typeVersion": 1
    },
    {
      "id": "07123e8e-8760-4c89-acda-aaef6de68be2",
      "name": "Anthropic 聊天模型",
      "type": "@n8n/n8n-nodes-langchain.lmChatAnthropic",
      "position": [
        7580,
        700
      ],
      "parameters": {
        "options": {
          "temperature": 0.4
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "e338a175-e823-4cd4-b77d-f5acbfcbdb9d",
      "name": "获取日历可用性",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        7900,
        700
      ],
      "parameters": {
        "url": "https://www.googleapis.com/calendar/v3/freeBusy",
        "method": "POST",
        "jsonBody": "={\n  \"timeMin\": \"{timeMin}\",\n  \"timeMax\": \"{timeMax}\",\n  \"timeZone\": \"Europe/Berlin\",\n  \"groupExpansionMax\": 20,\n  \"calendarExpansionMax\": 10,\n  \"items\": [\n    {\n      \"id\": \"max@n8n.io\"\n    }\n  ]\n}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "predefinedCredentialType",
        "toolDescription": "Call this tool to get the appointment availability for a particular period on the calendar. The tool may refer to availability as \"Free\" or \"Busy\". \n\nUse {timeMin} and {timeMax} to specify the window for the availability query. For example, to get availability for 25 July, 2024 the {timeMin} would be 2024-07-25T09:00:00+02:00 and {timeMax} would be 2024-07-25T17:00:00+02:00.\n\nIf the tool returns an empty response, it means that something went wrong. It does not mean that there is no availability.",
        "nodeCredentialType": "googleCalendarOAuth2Api"
      },
      "typeVersion": 1
    },
    {
      "id": "ae05933c-dfa9-4272-b610-8b5fc94d76fe",
      "name": "预约预订代理",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        7680,
        480
      ],
      "parameters": {
        "options": {
          "systemMessage": "=You are an efficient and courteous assistant tasked with scheduling appointments with Max Tkacz.\n\nWhen users mention an appointment or meeting, they are referring to a meeting with Max.\nWhen users refer to the calendar or \"your schedule,\" they are referring to Max's calendar. \n\nYou can use various tools to access and manage Max's calendar. Your primary goal is to assist users in successfully booking an appointment with Max, ensuring no scheduling conflicts. Only book an appointment if the requested time slot is available (the tool may refer to this as \"Free\")\n\nToday's date is {{ $today.format('dd LLL yyyy') }}.\nAppointments are always 30 minutes in length. \n\n\nProvide accurate information at all times. If the tools are not functioning correctly, inform the user that you are unable to assist them at the moment.\n"
        }
      },
      "typeVersion": 1.6
    },
    {
      "id": "7e3b1797-150e-4c7c-93a5-306b981e0b6c",
      "name": "便签1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        8300,
        440
      ],
      "parameters": {
        "color": 7,
        "width": 327.46658341463433,
        "height": 571.8601927804875,
        "content": "![h](https://i.imghippo.com/files/d9Bgv1721858679.png#full-width)"
      },
      "typeVersion": 1
    },
    {
      "id": "afe8d14d-d0d0-4a11-bb4f-57358de66bc1",
      "name": "窗口缓冲记忆",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        7720,
        700
      ],
      "parameters": {
        "contextWindowLength": 10
      },
      "typeVersion": 1.2
    },
    {
      "id": "53d131ea-3235-4e4e-828b-dc22c9021e50",
      "name": "## 为什么选择 4o 模型？👆",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        6380,
        640
      ],
      "parameters": {
        "color": 7,
        "width": 615.2162978341456,
        "height": 403.1877919219511,
        "content": "![h](https://i.postimg.cc/kXW9XrZt/Screenshot-2024-07-24-at-15-18-27.png#full-width)"
      },
      "typeVersion": 1
    },
    {
      "id": "55a0f180-bb35-4b35-b72c-b9361698e5ad",
      "name": "便签 9",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        9660,
        240
      ],
      "parameters": {
        "color": 7,
        "width": 345.33741540309194,
        "height": 398.9629539487597,
        "content": "### 与我联系或探索此演示 👇"
      },
      "typeVersion": 1
    },
    {
      "id": "14b3231d-aa96-4783-be8f-cb2f70b0bc7f",
      "name": "便签10",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        9220,
        240
      ],
      "parameters": {
        "color": 7,
        "width": 411.2946586626259,
        "height": 197.19036476628202,
        "content": "# 感谢并祝流程编程愉快 🤘"
      },
      "typeVersion": 1
    },
    {
      "id": "c9a2fcdc-c8ab-4b9d-9979-4fd7cca1e8a8",
      "name": "插入到 Pinecone 向量存储",
      "type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
      "position": [
        4920,
        600
      ],
      "parameters": {
        "mode": "insert",
        "options": {
          "clearNamespace": true,
          "pineconeNamespace": "whitepaper"
        },
        "pineconeIndex": {
          "__rl": true,
          "mode": "list",
          "value": "whitepapers",
          "cachedResultName": "whitepapers"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "6a890c74-67f9-4eee-bb56-7c9a68921ae1",
      "name": "预订预约",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        8060,
        700
      ],
      "parameters": {
        "url": "https://www.googleapis.com/calendar/v3/calendars/max@n8n.io/events",
        "method": "POST",
        "jsonBody": "={\n  \"summary\": \"Appointment with {userName}\",\n  \"start\": {\n    \"dateTime\": \"{startTime}\",\n    \"timeZone\": \"Europe/Berlin\"\n  },\n  \"end\": {\n    \"dateTime\": \"{endTime}\",\n    \"timeZone\": \"Europe/Berlin\"\n  },\n  \"attendees\": [\n    {\"email\": \"max@n8n.io\"},\n    {\"email\": \"{userEmail}\"}\n  ]\n}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "predefinedCredentialType",
        "toolDescription": "Call this tool to book an appointment in the calendar. ",
        "nodeCredentialType": "googleCalendarOAuth2Api",
        "placeholderDefinitions": {
          "values": [
            {
              "name": "userName",
              "description": "The full name of the user making the appointment. Like John Doe"
            },
            {
              "name": "startTime",
              "description": "The start time of the event in Europe/Berlin timezone. For example, 2024-07-24T10:00:00+02:00"
            },
            {
              "name": "endTime",
              "description": "The end time of the event in Europe/Berlin timezone. It should always be 30 minutes after the startTime. "
            },
            {
              "name": "userEmail",
              "description": "The email address of the user making the appointment"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "7f6e62f2-2d72-4fd2-a6ef-e57028d0055b",
      "name": "当收到聊天消息时",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        5600,
        620
      ],
      "webhookId": "c348693e-9c43-4bf2-90a5-23786273e809",
      "parameters": {
        "public": true,
        "options": {
          "title": "Book an appointment with Max"
        },
        "initialMessages": "Hi there! 👋\nI can help you schedule an appointment with Max Tkacz. On which day would you like to meet?"
      },
      "typeVersion": 1.1
    },
    {
      "id": "52c65975-479d-4c76-bcd3-23f5c9bb6acf",
      "name": "便签11",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        9220,
        460
      ],
      "parameters": {
        "color": 7,
        "width": 411.2946586626259,
        "height": 80,
        "content": "### 在 n8n.io 上探索 100+ 个 AI 工作流模板"
      },
      "typeVersion": 1
    },
    {
      "id": "ba0635c0-2ca4-4b27-b960-3a0e0f93a56a",
      "name": "便签12",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        9220,
        560
      ],
      "parameters": {
        "color": 7,
        "width": 411.2946586626259,
        "height": 80,
        "content": "### 在我们的社区提问（13k+ 成员）"
      },
      "typeVersion": 1
    },
    {
      "id": "29227c52-a9cc-4bd1-b1a3-78fb805b659c",
      "name": "OpenAI 聊天模型1",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        3260,
        660
      ],
      "parameters": {
        "model": "gpt-4o",
        "options": {
          "temperature": 0.5
        }
      },
      "typeVersion": 1
    },
    {
      "id": "494a2868-9ff5-402c-b83b-6dd2c3ddbcc9",
      "name": "添加自动化标签",
      "type": "n8n-nodes-base.gmail",
      "position": [
        3760,
        300
      ],
      "parameters": {
        "labelIds": [
          "Label_4763053241338138112"
        ],
        "messageId": "={{ $json.id }}",
        "operation": "addLabels"
      },
      "typeVersion": 2.1
    },
    {
      "id": "0f9d834d-ec47-43f5-945b-8c464d371122",
      "name": "当有新邮件到 Nathan 的收件箱时",
      "type": "n8n-nodes-base.gmailTrigger",
      "disabled": true,
      "position": [
        3040,
        460
      ],
      "parameters": {
        "simple": false,
        "filters": {},
        "options": {},
        "pollTimes": {
          "item": [
            {
              "mode": "everyMinute"
            }
          ]
        }
      },
      "typeVersion": 1.1
    },
    {
      "id": "142e2a49-40bd-4bf5-9ba3-f14ecd68618e",
      "name": "添加音乐标签",
      "type": "n8n-nodes-base.gmail",
      "position": [
        3760,
        500
      ],
      "parameters": {
        "labelIds": [
          "Label_6822395192337188416"
        ],
        "messageId": "={{ $json.id }}",
        "operation": "addLabels"
      },
      "typeVersion": 2.1
    },
    {
      "id": "2eb46753-a0e8-43ec-a460-466b1dd265c9",
      "name": "使用 AI 分配标签",
      "type": "@n8n/n8n-nodes-langchain.textClassifier",
      "position": [
        3280,
        460
      ],
      "parameters": {
        "options": {},
        "inputText": "={{ $json.text }}",
        "categories": {
          "categories": [
            {
              "category": "automation",
              "description": "email on the topic of automation or workflows and automated processes, includes newsletters on this topic"
            },
            {
              "category": "music",
              "description": "email on the topic of music, for example from an artist "
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "576d8206-1b1e-4671-ba45-86e9d844a73b",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        1860,
        460
      ],
      "webhookId": "74facfd7-0f51-4605-9724-2c300594fcf9",
      "parameters": {
        "path": "74facfd7-0f51-4605-9724-2c300594fcf9",
        "options": {}
      },
      "typeVersion": 2
    },
    {
      "id": "1e612376-1a3b-4c48-9cd3-97867ba4cad5",
      "name": "邮件是否包含 n8n",
      "type": "n8n-nodes-base.if",
      "position": [
        2060,
        460
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "a0b16c44-03ea-4e96-9671-7b168697186d",
              "operator": {
                "type": "string",
                "operation": "contains"
              },
              "leftValue": "={{ $json.query.email }}",
              "rightValue": "@n8n"
            }
          ]
        }
      },
      "typeVersion": 2
    }
  ],
  "pinData": {},
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Whether email contains n8n",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Download PDF": {
      "main": [
        [
          {
            "node": "Insert into Pinecone vector store",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Book appointment": {
      "ai_tool": [
        [
          {
            "node": "Appointment booking agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "PDFs to download": {
      "main": [
        [
          {
            "node": "Download PDF",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings OpenAI": {
      "ai_embedding": [
        [
          {
            "node": "Insert into Pinecone vector store",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Question and Answer Chain",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings OpenAI2": {
      "ai_embedding": [
        [
          {
            "node": "Read Pinecone Vector Store",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model1": {
      "ai_languageModel": [
        [
          {
            "node": "Assign label with AI",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Default Data Loader": {
      "ai_document": [
        [
          {
            "node": "Insert into Pinecone vector store",
            "type": "ai_document",
            "index": 0
          }
        ]
      ]
    },
    "Anthropic Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Appointment booking agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Assign label with AI": {
      "main": [
        [
          {
            "node": "Add automation label",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Add music label",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Window Buffer Memory": {
      "ai_memory": [
        [
          {
            "node": "Appointment booking agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Vector Store Retriever": {
      "ai_retriever": [
        [
          {
            "node": "Question and Answer Chain",
            "type": "ai_retriever",
            "index": 0
          }
        ]
      ]
    },
    "Get calendar availability": {
      "ai_tool": [
        [
          {
            "node": "Appointment booking agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Read Pinecone Vector Store": {
      "ai_vectorStore": [
        [
          {
            "node": "Vector Store Retriever",
            "type": "ai_vectorStore",
            "index": 0
          }
        ]
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "Question and Answer Chain",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Whether email contains n8n": {
      "main": [
        [
          {
            "node": "Execute JavaScript",
            "type": "main",
            "index": 0
          },
          {
            "node": "Send message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "On new email to nathan's inbox": {
      "main": [
        [
          {
            "node": "Assign label with AI",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Recursive Character Text Splitter": {
      "ai_textSplitter": [
        [
          {
            "node": "Default Data Loader",
            "type": "ai_textSplitter",
            "index": 0
          }
        ]
      ]
    }
  }
}