🤖 使用 RAG、Gemini 和 Supabase 创建文档专家机器人
高级
这是一个Internal Wiki, AI RAG领域的自动化工作流，包含 54 个节点。主要使用 Set, Html, Filter, SplitOut, Supabase 等节点。 🤖 使用 RAG、Gemini 和 Supabase 创建文档专家机器人
前置要求
- •Supabase URL 和 API Key
- •可能需要目标 API 的认证凭证
- •Google Gemini API Key
使用的节点 (54)
Set
Html
Filter
SplitOut
Supabase
StickyNote
HttpRequest
ManualTrigger
SplitInBatches
Agent
ExecuteWorkflow
ScheduleTrigger
RemoveDuplicates
ChatTrigger
ExecuteWorkflowTrigger
LmChatGoogleGemini
MemoryBufferWindow
VectorStoreSupabase
EmbeddingsGoogleGemini
DocumentDefaultDataLoader
TextSplitterRecursiveCharacterTextSplitter
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"meta": {
"instanceId": "e409ea34548a2afe2dffba31130cd1cf2e98ebe2afaeed2a63caf2a0582d1da0",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "3ebddde0-60d2-4795-9d30-ea4ea2f5b7b8",
"name": "简单记忆",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-1568,
176
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "aba5962f-3e74-401a-b23c-0a80cefd1d69",
"name": "官方 n8n 文档",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"position": [
-1280,
176
],
"parameters": {
"mode": "retrieve-as-tool",
"topK": 10,
"options": {},
"tableName": {
"__rl": true,
"mode": "list",
"value": "documents",
"cachedResultName": "documents"
},
"toolDescription": "Get related chunks of the official n8n documentation.",
"includeDocumentMetadata": false
},
"credentials": {
"supabaseApi": {
"id": "xGXZD7rRAPQj61k6",
"name": "Test"
}
},
"typeVersion": 1.3
},
{
"id": "e23e7f3b-dd4e-4dd9-83b6-aec430ade563",
"name": "默认数据加载器",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
144,
-1328
],
"parameters": {
"options": {},
"jsonData": "={{ $json.documentation }}",
"jsonMode": "expressionData",
"textSplittingMode": "custom"
},
"typeVersion": 1.1
},
{
"id": "38f5ec35-3a90-4d5c-8b1c-ed4802292b86",
"name": "递归字符文本分割器",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
240,
-1120
],
"parameters": {
"options": {
"splitCode": "markdown"
},
"chunkSize": 1500,
"chunkOverlap": 200
},
"typeVersion": 1
},
{
"id": "aa5245e3-9af3-42f4-a2fd-22520bdb0add",
"name": "移除重复文档内容",
"type": "n8n-nodes-base.removeDuplicates",
"position": [
-480,
-1552
],
"parameters": {
"options": {
"scope": "node",
"historySize": 10000
},
"operation": "removeItemsSeenInPreviousExecutions",
"dedupeValue": "={{ $json.documentation }}"
},
"typeVersion": 2
},
{
"id": "2e4d4cee-fc5d-4cbd-9772-751869e4dec3",
"name": "仅保留文档路径",
"type": "n8n-nodes-base.filter",
"position": [
-352,
-2320
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "52b8b89a-30cd-4a0d-a428-e5d341bcebbf",
"operator": {
"type": "string",
"operation": "endsWith"
},
"leftValue": "={{ $json.link }}",
"rightValue": "/"
},
{
"id": "d8019c4e-e1a1-43ec-93a8-dac3d8c083b6",
"operator": {
"type": "string",
"operation": "notStartsWith"
},
"leftValue": "={{ $json.link }}",
"rightValue": "https://"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "8e080adf-4d42-4337-8c80-23208936ace5",
"name": "清理文档",
"type": "n8n-nodes-base.set",
"position": [
-912,
-1552
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "5ed964a6-5200-454c-b983-f3dc7c8c7a48",
"name": "documentation",
"type": "string",
"value": "={{ $json.data.replace(/([^#\\n]+)\\s*#/g, '# $1').trim().replace(/^\\s*https?:\\/\\/\\S+\\s*/, '') }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "f6ce099d-1c04-4cbc-a096-60eb92d09b6b",
"name": "Gemini 2.5 Flash",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
-1920,
176
],
"parameters": {
"options": {
"temperature": 0
}
},
"credentials": {
"googlePalmApi": {
"id": "AXawYbABK5aZbGBE",
"name": "IA2S"
}
},
"typeVersion": 1
},
{
"id": "98c0a22e-3cd3-4b54-945e-c236ff2cc75a",
"name": "您的 Supabase 向量存储",
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"position": [
32,
-1552
],
"parameters": {
"mode": "insert",
"options": {},
"tableName": {
"__rl": true,
"mode": "list",
"value": "documents",
"cachedResultName": "documents"
},
"embeddingBatchSize": 30
},
"credentials": {
"supabaseApi": {
"id": "xGXZD7rRAPQj61k6",
"name": "Test"
}
},
"typeVersion": 1.3
},
{
"id": "016eb60c-0a44-4e4c-8dfd-9588a7df8bbd",
"name": "获取所有 n8n 文档链接",
"type": "n8n-nodes-base.httpRequest",
"position": [
-1504,
-2320
],
"parameters": {
"url": "https://docs.n8n.io/",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "485201fb-5711-48c3-8b18-f1637c1f800b",
"name": "从 HTML 中提取链接",
"type": "n8n-nodes-base.html",
"position": [
-1216,
-2320
],
"parameters": {
"options": {},
"operation": "extractHtmlContent",
"extractionValues": {
"values": [
{
"key": "links",
"attribute": "href",
"cssSelector": "a",
"returnArray": true,
"returnValue": "attribute"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "02fa5563-c75a-48c1-a25c-afac49ff0a02",
"name": "分离链接",
"type": "n8n-nodes-base.splitOut",
"position": [
-880,
-2320
],
"parameters": {
"options": {
"destinationFieldName": "link"
},
"fieldToSplitOut": "links"
},
"typeVersion": 1
},
{
"id": "8f9e9ec1-2aee-462a-a4e8-aecd17051ec7",
"name": "移除重复链接",
"type": "n8n-nodes-base.removeDuplicates",
"position": [
-576,
-2320
],
"parameters": {
"compare": "selectedFields",
"options": {},
"fieldsToCompare": "link"
},
"typeVersion": 2
},
{
"id": "bfa68912-7ae6-49bf-9ee9-8300e2d7486b",
"name": "将文档页面添加到向量存储",
"type": "n8n-nodes-base.executeWorkflow",
"position": [
160,
-2288
],
"parameters": {
"options": {
"waitForSubWorkflow": true
},
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $workflow.id }}"
},
"workflowInputs": {
"value": {
"path": "={{ $json.link }}"
},
"schema": [
{
"id": "path",
"display": true,
"removed": false,
"required": false,
"displayName": "path",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"data"
],
"attemptToConvertTypes": false,
"convertFieldsToString": true
}
},
"typeVersion": 1.2,
"alwaysOutputData": true
},
{
"id": "63a9e1df-b803-435a-b4f1-6f5fef329366",
"name": "获取文档页面",
"type": "n8n-nodes-base.httpRequest",
"onError": "continueErrorOutput",
"position": [
-1440,
-1552
],
"parameters": {
"url": "=https://docs.n8n.io/{{ $('Ingest Web Page').last().json.path }}",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "67227b76-3f85-47e7-9ccb-841270671190",
"name": "提取文档内容",
"type": "n8n-nodes-base.html",
"position": [
-1136,
-1552
],
"parameters": {
"options": {},
"operation": "extractHtmlContent",
"extractionValues": {
"values": [
{
"key": "data",
"cssSelector": "article",
"skipSelectors": "img, footer, form"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "083db456-864c-4015-a11e-06291d837011",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2992,
-1968
],
"parameters": {
"color": 7,
"width": 760,
"height": 752,
"content": "-- 启用 pgvector 扩展以处理嵌入向量（如果已启用，请删除此行）"
},
"typeVersion": 1
},
{
"id": "786cf7df-251d-487c-a243-d84d255c7f2d",
"name": "Gemini 查询嵌入",
"type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
"position": [
-1200,
368
],
"parameters": {},
"credentials": {
"googlePalmApi": {
"id": "AXawYbABK5aZbGBE",
"name": "IA2S"
}
},
"typeVersion": 1
},
{
"id": "d100e805-fe39-42b7-9a6f-fb65e35c3714",
"name": "Gemini 分块嵌入",
"type": "@n8n/n8n-nodes-langchain.embeddingsGoogleGemini",
"position": [
16,
-1328
],
"parameters": {},
"credentials": {
"googlePalmApi": {
"id": "AXawYbABK5aZbGBE",
"name": "IA2S"
}
},
"typeVersion": 1
},
{
"id": "abc78ac4-14be-4782-b4d0-ea36fae67d7a",
"name": "保持 Supabase 实例活跃",
"type": "n8n-nodes-base.supabase",
"position": [
-544,
-672
],
"parameters": {
"limit": 1,
"tableId": "documents",
"operation": "getAll"
},
"credentials": {
"supabaseApi": {
"id": "xGXZD7rRAPQj61k6",
"name": "Test"
}
},
"typeVersion": 1
},
{
"id": "47045d86-4a1a-4dd7-a08e-c2f36579487e",
"name": "每 6 天",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-768,
-672
],
"parameters": {
"rule": {
"interval": [
{
"daysInterval": 6
}
]
}
},
"typeVersion": 1.2
},
{
"id": "f8943741-1643-4d14-b4a8-4fb40fdec37c",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2096,
-2672
],
"parameters": {
"color": 7,
"width": 2640,
"height": 1760,
"content": "## 第一部分：构建知识库（图书馆）"
},
"typeVersion": 1
},
{
"id": "0c167669-c80c-443b-887f-479bb42297aa",
"name": "遍历文档页面",
"type": "n8n-nodes-base.splitInBatches",
"position": [
-64,
-2320
],
"parameters": {
"options": {},
"batchSize": 10
},
"typeVersion": 3
},
{
"id": "375673d7-bde0-41fd-b5fe-c7952a9c6b3e",
"name": "便签4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3056,
-2992
],
"parameters": {
"color": 6,
"width": 1064,
"height": 296,
"content": "# 教程：使用 RAG 构建 AI 专家"
},
"typeVersion": 1
},
{
"id": "c7b031e5-22b0-445e-80c3-9ff97d602185",
"name": "便签5",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3056,
-2672
],
"parameters": {
"color": 7,
"width": 924,
"height": 3228,
"content": "# 工作流设置"
},
"typeVersion": 1
},
{
"id": "5e9cffe8-6fb3-4cda-9158-989182b24e0f",
"name": "n8n 文档 AI 代理",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-1552,
-416
],
"parameters": {
"options": {
"systemMessage": "=<role>\nYou are a specialized AI assistant, an expert in n8n's official documentation. Your sole mission is to help users by providing accurate and factual information extracted exclusively from this documentation. You are meticulous, factual, and never deviate from your knowledge scope.\n</role>\n\n<instructions>\n<goal>\nYour primary goal is to provide precise and factual answers to user questions about the n8n automation platform, based **exclusively** on the excerpts from the official documentation provided in the context.\n</goal>\n\n<context>\nYou operate according to a RAG (Retrieval-Augmented Generation) model. For each user question, use the appropriate tool to retrieve the necessary information from the n8n documentation's vector database.\n\n**Mandatory rules:**\n\n1. **Single source of truth:** Your answer MUST be entirely and solely derived from the information present in the provided documentation.\n2. **Accuracy and implicit citation:** Base your answer as literally as possible on the documentation text. Rephrase for clarity and conciseness, but do not add any information not found there. Act as if the documentation is your only knowledge in the world.\n3. **Do not mention the process:** Never mention your tool or the fact that you are a RAG system in your answer to the user. Respond as an expert who directly consults their documentation.\n</context>\n\n<output_format>\n* **Clarity:** Provide a clear, concise, and direct answer.\n* **Structuring:** If the context contains steps, lists, or code examples, use Markdown syntax to format them legibly (bullet points, numbered lists, code blocks for code snippets, JSON, etc.).\n* **Tone:** Adopt a professional, helpful, and confident tone, that of a technical n8n expert.\n</output_format>\n</instructions>"
}
},
"typeVersion": 2.1
},
{
"id": "8f29b4a7-e57a-40db-b6e3-4e6fb93a5588",
"name": "便签6",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1600,
-2528
],
"parameters": {
"color": 7,
"width": 288,
"height": 400,
"content": "### 步骤 1.1：找到所有的\"书籍\""
},
"typeVersion": 1
},
{
"id": "82c46efb-6daa-47fa-a969-ecfe5cb44664",
"name": "便签7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1296,
-2528
],
"parameters": {
"color": 7,
"width": 272,
"height": 400,
"content": "### 步骤 1.2：阅读书籍列表"
},
"typeVersion": 1
},
{
"id": "bf3677a9-6520-48bc-9b6b-d5f4ed6f31ea",
"name": "便签8",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1008,
-2528
],
"parameters": {
"color": 7,
"width": 336,
"height": 400,
"content": "### 步骤 1.3：一次处理一本书"
},
"typeVersion": 1
},
{
"id": "ef8a70e0-98b3-46dc-ae8c-a349de35a511",
"name": "便签9",
"type": "n8n-nodes-base.stickyNote",
"position": [
-656,
-2528
],
"parameters": {
"color": 7,
"width": 480,
"height": 400,
"content": "### 步骤 1.4：整理待办列表"
},
"typeVersion": 1
},
{
"id": "e20c2189-fe6f-4dfb-8c31-27420545574c",
"name": "便签 10",
"type": "n8n-nodes-base.stickyNote",
"position": [
-160,
-2528
],
"parameters": {
"color": 4,
"width": 512,
"height": 464,
"content": "### 步骤 1.5：图书管理员的阅读循环"
},
"typeVersion": 1
},
{
"id": "af9c5996-e427-4feb-ab2d-87da254b6e9e",
"name": "便签 11",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1536,
-1760
],
"parameters": {
"color": 7,
"width": 288,
"height": 384,
"content": "### 步骤 1.5.1：读取单个页面"
},
"typeVersion": 1
},
{
"id": "9066ac34-850f-4323-9865-467c3a96d3c8",
"name": "便签12",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2064,
-1904
],
"parameters": {
"color": 5,
"width": 512,
"height": 528,
"content": "### 为什么使用子工作流？"
},
"typeVersion": 1
},
{
"id": "5b11db96-f3c7-4555-952c-88001d25a544",
"name": "便签13",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1232,
-1760
],
"parameters": {
"color": 7,
"width": 512,
"height": 384,
"content": "### 步骤 1.5.2：获取精华内容"
},
"typeVersion": 1
},
{
"id": "af202cd5-c63b-47d1-9b6b-4713e606eed1",
"name": "便签14",
"type": "n8n-nodes-base.stickyNote",
"position": [
-704,
-1984
],
"parameters": {
"color": 5,
"width": 544,
"height": 608,
"content": "### 步骤 1.5.3：避免重复阅读"
},
"typeVersion": 1
},
{
"id": "7daf22ac-ef30-41c8-a083-24c955aa2204",
"name": "便签15",
"type": "n8n-nodes-base.stickyNote",
"position": [
-144,
-1984
],
"parameters": {
"color": 6,
"width": 656,
"height": 1040,
"content": "### 步骤 1.5.4：创建并存储\"魔法索引卡\""
},
"typeVersion": 1
},
{
"id": "ce866531-215a-4c7c-b101-bf0d597a2938",
"name": "便签 16",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2096,
-880
],
"parameters": {
"color": 7,
"width": 1200,
"height": 1440,
"content": "## 第二部分：聊天机器人（与专家图书管理员对话）"
},
"typeVersion": 1
},
{
"id": "12d9065c-a020-42ef-add0-3750120f03e0",
"name": "便签17",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2064,
-720
],
"parameters": {
"color": 4,
"width": 368,
"height": 448,
"content": "### 前台：在此提问"
},
"typeVersion": 1
},
{
"id": "56c158b8-f24e-4500-ae12-b5d8fa4911f0",
"name": "便签18",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1680,
-608
],
"parameters": {
"color": 5,
"width": 560,
"height": 400,
"content": "### 大脑：专家图书管理员"
},
"typeVersion": 1
},
{
"id": "7b62be1a-4a5d-4f86-b7d0-a0f7a63a331e",
"name": "便签19",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2064,
-256
],
"parameters": {
"color": 7,
"width": 368,
"height": 576,
"content": "### \"合成器\"与\"策略师\""
},
"typeVersion": 1
},
{
"id": "92d49e02-306b-4a45-a47e-bb8c7b072408",
"name": "便签20",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1680,
-192
],
"parameters": {
"color": 7,
"width": 288,
"height": 512,
"content": "### 短期记忆"
},
"typeVersion": 1
},
{
"id": "9fd0fb04-0b06-4696-8091-accc863d992a",
"name": "便签21",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1376,
-192
],
"parameters": {
"color": 6,
"width": 448,
"height": 720,
"content": "### 工具：\"魔法文件柜\"检索器"
},
"typeVersion": 1
},
{
"id": "9c92ee43-46f0-49ac-a269-11b7b87ea3d2",
"name": "便签22",
"type": "n8n-nodes-base.stickyNote",
"position": [
-864,
-880
],
"parameters": {
"color": 7,
"width": 544,
"height": 416,
"content": "## 可选：保持数据库唤醒"
},
"typeVersion": 1
},
{
"id": "260b4e38-5fa1-44ef-a233-6d322201b47a",
"name": "开始索引",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-1744,
-2320
],
"parameters": {},
"typeVersion": 1
},
{
"id": "40b2b853-31fd-4961-9b0f-6927d518a833",
"name": "RAG 聊天机器人",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-1904,
-416
],
"webhookId": "e80f40f5-f8dc-4d0e-9ce5-594c61d233df",
"parameters": {
"public": true,
"options": {
"title": "",
"subtitle": "",
"customCss": "/* === THEME OVERRIDE: n8n Glass & Glow (Revised) === */\n\n/*\n This theme is built upon the default n8n chat CSS variables.\n We'll use your desired branding and layout, and then add\n the \"glass\" effect using a semi-transparent background\n and a backdrop-filter on the main window class.\n*/\n\n:root {\n /* --- 1. CORE BRANDING & FONTS --- */\n /* Your choices for font and primary color are applied here. */\n --chat--font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\n --chat--color-primary: #EA4B71; /* n8n Red */\n --chat--color-primary-shade-50: #D93A60;\n --chat--color-primary-shade-100: #C82A50;\n --chat--color-secondary: #20b69e; /* Kept default secondary for things like file uploads */\n --chat--color-secondary-shade-50: #1ca08a;\n --chat--color-white: #ffffff;\n --chat--color-light: #f2f4f8;\n --chat--color-dark: #1F2937; /* Darker, more modern text color */\n --chat--color-disabled: #9CA3AF;\n --chat--color-typing: #404040;\n\n /* --- 2. WINDOW & LAYOUT --- */\n /* Your dimensions and rounded corners. The actual glass effect is handled in the class override below. */\n --chat--window--width: 430px;\n --chat--window--height: 80vh;\n --chat--window--border-radius: 16px;\n --chat--window--border: 1px solid rgba(255, 255, 255, 0.3);\n --chat--spacing: 1rem; /* 16px base spacing */\n --chat--window--z-index: 9999;\n --chat--window--bottom: var(--chat--spacing);\n --chat--window--right: var(--chat--spacing);\n --chat--window--margin-bottom: var(--chat--spacing);\n\n /* --- 3. GLASSMORPHISM BACKGROUNDS --- */\n /* We make the main sections transparent to let the glass window show through. */\n --chat--header--background: transparent;\n --chat--body--background: transparent;\n --chat--footer--background: transparent;\n\n /* --- 4. HEADER STYLING (REMOVED) --- */\n /* The header is removed by setting its height, padding, and border to 0/none. */\n --chat--header-height: 0;\n --chat--header--padding: 0;\n --chat--header--border-bottom: none;\n /* The rest of the header variables are now irrelevant. */\n --chat--header--color: var(--chat--color-dark);\n --chat--heading--font-size: 1.5rem;\n --chat--subtitle--font-size: 0.875rem;\n --chat--subtitle--line-height: 1.4;\n --chat--close--button--color-hover: var(--chat--color-primary);\n\n /* --- 5. MESSAGE BUBBLES --- */\n --chat--message--font-size: 0.875rem;\n --chat--message--padding: 12px 16px;\n --chat--message--border-radius: 12px;\n --chat--message-line-height: 1.6;\n --chat--message--margin-bottom: calc(var(--chat--spacing) * 0.75);\n /* Adjusted padding: Top is 0, sides and bottom use the base spacing. */\n --chat--messages-list--padding: 0 var(--chat--spacing) var(--chat--spacing);\n --chat--message--bot--background: var(--chat--color-white);\n --chat--message--bot--color: #111827;\n --chat--message--bot--border: none;\n --chat--message--user--background: var(--chat--color-primary);\n --chat--message--user--color: var(--chat--color-white);\n --chat--message--user--border: none;\n\n /* --- 6. INPUT AREA --- */\n --chat--textarea--height: 50px;\n --chat--textarea--max-height: 10rem;\n --chat--input--font-size: 0.9rem;\n --chat--input--border: 0;\n --chat--input--border-radius: 12px; /* Rounded input field */\n --chat--input--padding: 12px 16px;\n --chat--input--background: rgba(255, 255, 255, 0.5); /* Semi-transparent input */\n --chat--input--text-color: #111827;\n --chat--input--line-height: 1.5;\n --chat--input--border-active: 0;\n\n /* --- 7. SEND & FILE BUTTONS --- */\n --chat--input--send--button--background: transparent;\n --chat--input--send--button--color: var(--chat--color-primary);\n --chat--input--send--button--background-hover: transparent;\n --chat--input--send--button--color-hover: var(--chat--color-primary-shade-50);\n --chat--input--file--button--background: transparent;\n --chat--input--file--button--color: var(--chat--color-secondary);\n --chat--input--file--button--background-hover: transparent;\n --chat--input--file--button--color-hover: var(--chat--color-secondary-shade-50);\n\n /* --- 8. TOGGLE BUTTON & OTHERS --- */\n /* Using your primary brand color for the main toggle button */\n --chat--toggle--size: 64px;\n --chat--toggle--width: var(--chat--toggle--size);\n --chat--toggle--height: var(--chat--toggle--size);\n --chat--toggle--border-radius: 50%;\n --chat--toggle--background: var(--chat--color-primary);\n --chat--toggle--hover--background: var(--chat--color-primary-shade-50);\n --chat--toggle--active--background: var(--chat--color-primary-shade-100);\n --chat--toggle--color: var(--chat--color-white);\n}\n\n/* === CLASS OVERRIDES === */\n/*\n These are essential for effects that CSS variables can't control,\n like the glass blur, shadows, and max-height.\n*/\n\n.chat-window {\n /* This is the magic for the glass effect! */\n background-color: rgba(249, 243, 245, 0.6); /* A semi-transparent background color */\n backdrop-filter: blur(20px);\n -webkit-backdrop-filter: blur(20px); /* For Safari compatibility */\n\n /* A subtle shadow helps lift the window off the page */\n box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);\n\n /* Here we apply the max-height you wanted */\n max-height: 750px;\n}\n\n/* Add top margin to the first message only for initial spacing */\n.chat-messages-list .chat-message:first-child {\n margin-top: var(--chat--spacing);\n}\n\n/* Make user messages slightly wider for better balance */\n.chat-message.is-user {\n\tmax-width: 70%;\n}\n\n.chat-message.is-bot {\n\tmax-width: 80%;\n}\n\n/* Add a subtle glow to messages on hover */\n.chat-message {\n transition: transform 0.2s ease, box-shadow 0.2s ease;\n}\n.chat-message:hover {\n transform: translateY(-2px);\n box-shadow: 0 0 25px 0 rgba(234, 75, 113, 0.2);\n}\n\n/* === PAGE BACKGROUND === */\n/* Your dotted background to simulate the n8n canvas. Perfect as is! */\nbody {\n background-color: #FDFBFF;\n background-image:\n radial-gradient(circle at 1px 1px, rgba(0,0,0,0.07) 1px, transparent 0),\n linear-gradient(135deg, #F9F3F5 0%, #EFF3FB 100%);\n background-size: 25px 25px, 100% 100%;\n}",
"inputPlaceholder": "Type your n8n related question.."
},
"initialMessages": "Hello! I'm an AI assistant trained on the official n8n documentation.\nYou can ask me anything about n8n nodes, workflows, or concepts. For example:\n\"How does the IF node work?\"\n\"What is a sub-workflow?\""
},
"typeVersion": 1.1
},
{
"id": "f475e7ae-b914-40c1-b196-ee6df3ecd84d",
"name": "便签25",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3024,
-2592
],
"parameters": {
"width": 704,
"height": 256,
"content": "## 设置步骤 1：创建您的 Supabase 项目"
},
"typeVersion": 1
},
{
"id": "6c5f1753-2fc6-47cb-9552-28752075bc68",
"name": "便签26",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3024,
-2320
],
"parameters": {
"width": 832,
"height": 1136,
"content": "## 设置步骤 2：准备数据库（SQL）"
},
"typeVersion": 1
},
{
"id": "ba6acba9-dd65-4b99-8300-fcbd60ddde22",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3024,
208
],
"parameters": {
"width": 624,
"height": 320,
"content": "## 设置步骤 7：与您的专家聊天！"
},
"typeVersion": 1
},
{
"id": "8f6e4c78-16b3-445f-bfdc-d1ffe3b48977",
"name": "便签23",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3024,
-1168
],
"parameters": {
"width": 720,
"height": 272,
"content": "## 设置步骤 3：获取您的 Supabase 密钥"
},
"typeVersion": 1
},
{
"id": "9c7c7005-a3f8-4608-950b-514812330059",
"name": "便签24",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3024,
-880
],
"parameters": {
"width": 656,
"height": 400,
"content": "## 设置步骤 4：连接您的凭据"
},
"typeVersion": 1
},
{
"id": "57a07053-e02c-42b3-9876-73ca3fb0a322",
"name": "便签27",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3024,
-464
],
"parameters": {
"width": 864,
"height": 368,
"content": "## 设置步骤 5：为其他节点选择凭据"
},
"typeVersion": 1
},
{
"id": "42a7ac88-c575-463a-8f7e-130106a2478f",
"name": "便签28",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3024,
-80
],
"parameters": {
"width": 784,
"height": 272,
"content": "## 设置步骤 6：构建知识库（索引）"
},
"typeVersion": 1
},
{
"id": "a3de3ea5-e159-4792-8c6e-261a6d478e1e",
"name": "摄取网页",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"position": [
-1744,
-1552
],
"parameters": {
"workflowInputs": {
"values": [
{
"name": "path",
"type": "any"
}
]
}
},
"typeVersion": 1.1
},
{
"id": "a778973f-24a1-40df-83e3-36e77acd1ed3",
"name": "便签29",
"type": "n8n-nodes-base.stickyNote",
"position": [
-864,
-432
],
"parameters": {
"color": 3,
"width": 544,
"height": 768,
"content": "## 这个有用吗？请告诉我！"
},
"typeVersion": 1
}
],
"pinData": {
"Ingest Web Page": [
{
"path": "integrations/builtin/core-nodes/n8n-nodes-base.httprequest/"
}
]
},
"connections": {
"RAG Chatbot": {
"main": [
[
{
"node": "n8n Docs AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Every 6 Days": {
"main": [
[
{
"node": "Keep Supabase Instance Alive",
"type": "main",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "n8n Docs AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Start Indexing": {
"main": [
[
{
"node": "Get All n8n Documentation Links",
"type": "main",
"index": 0
}
]
]
},
"Ingest Web Page": {
"main": [
[
{
"node": "Get Documentation Page",
"type": "main",
"index": 0
}
]
]
},
"Split Out Links": {
"main": [
[
{
"node": "Remove Duplicate Links",
"type": "main",
"index": 0
}
]
]
},
"Gemini 2.5 Flash": {
"ai_languageModel": [
[
{
"node": "n8n Docs AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Clean Documentation": {
"main": [
[
{
"node": "Remove Duplicate Documentation Content",
"type": "main",
"index": 0
}
]
]
},
"Default Data Loader": {
"ai_document": [
[
{
"node": "Your Supabase Vector Store",
"type": "ai_document",
"index": 0
}
]
]
},
"Only Keep Doc Paths": {
"main": [
[
{
"node": "Loop Over Documentation Pages",
"type": "main",
"index": 0
}
]
]
},
"Gemini Chunk Embedding": {
"ai_embedding": [
[
{
"node": "Your Supabase Vector Store",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Gemini Query Embedding": {
"ai_embedding": [
[
{
"node": "Official n8n Documentation",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Get Documentation Page": {
"main": [
[
{
"node": "Extract Documentation Content",
"type": "main",
"index": 0
}
]
]
},
"Remove Duplicate Links": {
"main": [
[
{
"node": "Only Keep Doc Paths",
"type": "main",
"index": 0
}
]
]
},
"Extract Links from HTML": {
"main": [
[
{
"node": "Split Out Links",
"type": "main",
"index": 0
}
]
]
},
"Official n8n Documentation": {
"ai_tool": [
[
{
"node": "n8n Docs AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Extract Documentation Content": {
"main": [
[
{
"node": "Clean Documentation",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Documentation Pages": {
"main": [
[],
[
{
"node": "Add Documentation Page to Vector Store",
"type": "main",
"index": 0
}
]
]
},
"Get All n8n Documentation Links": {
"main": [
[
{
"node": "Extract Links from HTML",
"type": "main",
"index": 0
}
]
]
},
"Recursive Character Text Splitter": {
"ai_textSplitter": [
[
{
"node": "Default Data Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Add Documentation Page to Vector Store": {
"main": [
[
{
"node": "Loop Over Documentation Pages",
"type": "main",
"index": 0
}
]
]
},
"Remove Duplicate Documentation Content": {
"main": [
[
{
"node": "Your Supabase Vector Store",
"type": "main",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
高级 - 内部知识库, AI RAG 检索增强
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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作者
Lucas Peyrin
@lucaspeyrinInnovative builder with a passion for crafting automation solutions that solve real-world challenges. From streamlining workflows to driving efficiency, my work empowers teams and individuals to achieve more with less effort. Experienced in developing scalable tools and strategies that deliver results with n8n, supabase and cline.
外部链接
在 n8n.io 查看 →
分享此工作流