AI客服助手·支持WhatsApp·适用于任何业务

• •OpenAI API Key
• •可能需要目标 API 的认证凭证
• •PostgreSQL 数据库连接信息

{
  "id": "J2D0BssoDmn4BC6D",
  "meta": {
    "instanceId": "143d2ab55c8bffb06f8b9c7ad30335764fdc48bbbacecbe2218dadb998a32213",
    "templateCredsSetupCompleted": true
  },
  "name": "AI 客服助手 · 支持 WhatsApp · 适用于任何业务",
  "tags": [],
  "nodes": [
    {
      "id": "fe395033-e36e-42d4-a0ce-8362b172be31",
      "name": "AI 代理",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "maxTries": 5,
      "position": [
        120,
        140
      ],
      "parameters": {
        "text": "={{ $json.messages[0].text.body }}",
        "options": {
          "maxIterations": 10,
          "systemMessage": "=You are [Company Name]’s real-time website assistant for https://www.your-company-url.com.\n\nAVAILABLE TOOLS\n• list_links(url) → { urls:[ … ] }  — returns up to 100 internal links from that page  \n• get_page(url)   → { text:\"…\" }    — returns the visible, tag-free text of the page (JavaScript rendered if needed)\n\nSEARCH STRATEGY\n1. Start with list_links on the root page.  \n2. Pick ≤ 5 links whose URL or anchor text best match the user’s question (producto, pago, envío, servicio, política, etc.).  \n3. For each chosen link call get_page once.  \n4. Read the returned text and look for the answer.  \n5. If the answer is still unknown, you may repeat steps 1-4 one level deeper.  \n6. Stop after two list_links rounds **or** eight get_page calls (whichever comes first).\n\nANSWER RULES\n• Reply in clear and friendly toon **as part of [Company Name]** (use “we”, “our”).  \n• Keep answers concise but complete.  \n• **No Markdown ni símbolos de formato. Nunca uses \\*, **, \\_, \\~, ni [texto](url).**  \n  Write urls like: Descriptive Text ␣URL   Ej.: Combos https://…  \n• Quote the exact wording for facts such as stock status, prices, envíos, métodos de pago, garantías o políticas.  \n• If the information is not on the site, reply exactly:  \n  “I can't find that information on our site right now. Do you want me to put you through to a human agent?”  \n• Stay on-domain; ignore mailto:, tel:, javascript:, or off-site links.",
          "returnIntermediateSteps": true
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "retryOnFail": false,
      "typeVersion": 1.7,
      "alwaysOutputData": true,
      "waitBetweenTries": null
    },
    {
      "id": "3953a213-6140-4603-a069-93718e4d8982",
      "name": "链接列表",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        260,
        420
      ],
      "parameters": {
        "url": "https://lemolex.app.n8n.cloud/webhook/list-links",
        "method": "POST",
        "sendBody": true,
        "parametersBody": {
          "values": [
            {
              "name": "url",
              "value": "https://www.your-company-url.com",
              "valueProvider": "fieldValue"
            },
            {
              "name": "auth-token",
              "value": "your-auth-token (read setup guide)",
              "valueProvider": "fieldValue"
            }
          ]
        },
        "toolDescription": "Returns up to 100 unique, fully-qualified INTERNAL links for a given page.\n\nInput  (JSON body the model must supply)\n  {\n    \"url\": \"<absolute https://…>\"\n  }\n\nBehaviour\n  • Crawls only the domain of the input URL.\n  • Converts relative <a href> values to absolute URLs.\n  • Drops empty roots (\"/\"), mailto:, tel:, javascript:, and off-site links.\n  • De-duplicates the list.\n  • Responds with a JSON object:\n\n      {\n        \"urls\": [ \"<link-1>\", \"<link-2>\", … ]\n      }\n\nUse this tool when you need a navigation map of the current page.\nPass one of the returned URLs back into other tools (e.g. get_text) to read its content.\n"
      },
      "typeVersion": 1.1
    },
    {
      "id": "21ceaf5e-d2d4-47c3-98cb-ee7c0ab0fcab",
      "name": "OpenAI 聊天模型",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        40,
        340
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "jh4eAOIykIxQWUI9",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "7e0e84c8-ad96-44d1-9de9-c639230418fd",
      "name": "WhatsApp 触发器",
      "type": "n8n-nodes-base.whatsAppTrigger",
      "position": [
        -260,
        140
      ],
      "webhookId": "857366e8-7b6f-45a7-bbd1-f876002620d7",
      "parameters": {
        "updates": [
          "messages"
        ]
      },
      "credentials": {
        "whatsAppTriggerApi": {
          "id": "EB6eAVg9ZBZGYsyX",
          "name": "WhatsApp OAuth account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "c2a0ba34-4a23-4918-9be8-7b9d50279cde",
      "name": "清理回答",
      "type": "n8n-nodes-base.code",
      "position": [
        1040,
        120
      ],
      "parameters": {
        "jsCode": "// cleanAnswer – run once per item\nlet txt = $input.first().json.output || '';\n\n// 1. Remove bold / italic / strike markers\ntxt = txt.replace(/[*_~]+/g, '');\n\n// 2. Convert [Texto](https://url) → Texto https://url\ntxt = txt.replace(/\\[([^\\]]+)\\]\\((https?:\\/\\/[^\\s)]+)\\)/g, '$1 $2');\n\n// 3. Collapse 3+ blank lines\ntxt = txt.replace(/\\n{3,}/g, '\\n\\n').trim();\n\nreturn [{ json: { answer: txt } }];\n"
      },
      "typeVersion": 2
    },
    {
      "id": "ef403af2-4543-4edb-80ae-afda1e98a2a9",
      "name": "获取页面",
      "type": "@n8n/n8n-nodes-langchain.toolHttpRequest",
      "position": [
        420,
        420
      ],
      "parameters": {
        "url": "https://lemolex.app.n8n.cloud/webhook/get_text",
        "method": "POST",
        "sendBody": true,
        "parametersBody": {
          "values": [
            {
              "name": "url"
            },
            {
              "name": "auth-token",
              "value": "your-auth-token (read setup guide)",
              "valueProvider": "fieldValue"
            }
          ]
        },
        "toolDescription": "Fetches the fully-rendered **plain text** of a single web.  \n• Input  : { \"url\": \"<absolute https://…>\" }  \n• Auth   : token is sent as HTTP basic-auth.  \n• Query  : url=<encoded url>  \n• Output : { \"text\": \"<visible text of the body>\", \"url\": \"<same url>\" }  \n• The \"text\" field already has **all HTML tags removed** .  \n• Use this tool whenever you need the actual words that appear on the page—product details, prices, stock lines, shipping terms, payment options, company policies, etc.  \n• Do **not** call it on off-site links or mailto:/tel:/javascript: pseudo-links.  \n"
      },
      "typeVersion": 1.1
    },
    {
      "id": "46c1fd08-9b61-4ea9-bee3-9ad8b7e7ce4d",
      "name": "24 小时窗口检查",
      "type": "n8n-nodes-base.code",
      "position": [
        520,
        140
      ],
      "parameters": {
        "jsCode": "// within24h?  – run once per item\n// Meta (WhatsApp) timestamp arrives as seconds since epoch\nconst lastTs = Number($('WhatsApp Trigger').first().json.messages[0].timestamp) * 1000;   // → ms\nconst withinWindow = Date.now() - lastTs < 24 * 60 * 60 * 1000;\n\nreturn [{ json: { withinWindow, answer: $json.answer, userId: $json.userId } }];"
      },
      "typeVersion": 2
    },
    {
      "id": "0309e9fb-745e-46cd-a360-a6a4a96ffa36",
      "name": "如果",
      "type": "n8n-nodes-base.if",
      "position": [
        740,
        140
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "d33e218e-a49a-49ed-9c6b-55b9ea0b0dbb",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              },
              "leftValue": "={{ $json.withinWindow }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "e0f6e0b0-d2f8-4be5-85e4-74b351390369",
      "name": "发送预批准模板消息以重启对话",
      "type": "n8n-nodes-base.whatsApp",
      "position": [
        1060,
        360
      ],
      "parameters": {
        "template": "hello_world|en_US",
        "phoneNumberId": "679436108574898",
        "requestOptions": {},
        "recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.contacts[0].wa_id }}"
      },
      "credentials": {
        "whatsAppApi": {
          "id": "zNN8ICsFZI5A7frT",
          "name": "WhatsApp account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "fd41fbf2-f471-4529-bb4d-358ace9cf639",
      "name": "发送 AI Agent 的回答",
      "type": "n8n-nodes-base.whatsApp",
      "position": [
        1260,
        120
      ],
      "parameters": {
        "textBody": "={{ $json.answer }}",
        "operation": "send",
        "phoneNumberId": "679436108574898",
        "requestOptions": {},
        "additionalFields": {},
        "recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.contacts[0].wa_id }}"
      },
      "credentials": {
        "whatsAppApi": {
          "id": "zNN8ICsFZI5A7frT",
          "name": "WhatsApp account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "35e6c77f-56c5-4b93-a69a-e048b593cf40",
      "name": "Postgres 用户记忆库",
      "type": "@n8n/n8n-nodes-langchain.memoryPostgresChat",
      "position": [
        120,
        500
      ],
      "parameters": {
        "tableName": "message_history",
        "sessionKey": "={{ $json.contacts[0].wa_id }}",
        "sessionIdType": "customKey"
      },
      "credentials": {
        "postgres": {
          "id": "Bk7n11D1jU5zJ802",
          "name": "Postgres account"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "67c3296e-8915-4857-a294-03c5bc8257c0",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -920,
        -320
      ],
      "parameters": {
        "width": 460,
        "height": 1460,
        "content": "# 分步设置指南"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
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  "versionId": "7226dcc3-dbfc-46bd-b752-d0baae90d44d",
  "connections": {
    "If": {
      "main": [
        [
          {
            "node": "cleanAnswer",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Send Pre-approved Template Message to Reopen the Conversation",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Agent": {
      "main": [
        [
          {
            "node": "24-hour window check",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "get_page": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "list_links": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "cleanAnswer": {
      "main": [
        [
          {
            "node": "Send AI Agent's Answer",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "WhatsApp Trigger": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "24-hour window check": {
      "main": [
        [
          {
            "node": "If",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Postgres Users Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    }
  }
}