使用RAG、Gemini、Supabase和Google Docs构建基于知识的WhatsApp助手
中级
这是一个Content Creation, Multimodal AI领域的自动化工作流，包含 15 个节点。主要使用 If, Code, Supabase, WhatsApp, Aggregate 等节点。 使用RAG、Gemini、Supabase和Google Docs构建基于知识的WhatsApp助手
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 (15)
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": "93f396852104089b8670e7494b0f3668b420464668ae4a8c1d6b4b5799f8e3ef",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "4472f7d3-fca5-4d88-8afe-11a96316b761",
"name": "WhatsApp 触发器",
"type": "n8n-nodes-base.whatsAppTrigger",
"position": [
6048,
-272
],
"webhookId": "685f1ed2-ffac-460b-b2eb-b29891e539d4",
"parameters": {},
"executeOnce": true,
"typeVersion": 1
},
{
"id": "e2af2f35-5830-4e18-a6fa-346e58dd067a",
"name": "训练内容",
"type": "n8n-nodes-base.googleDocs",
"position": [
4480,
-240
],
"parameters": {},
"typeVersion": 2
},
{
"id": "9823dd18-7d53-49b1-a8f6-478877e9d753",
"name": "分块处理",
"type": "n8n-nodes-base.code",
"position": [
4704,
-240
],
"parameters": {},
"typeVersion": 2
},
{
"id": "02970a68-1fdd-4ca0-9346-6e2e25b87af0",
"name": "嵌入上传文档",
"type": "n8n-nodes-base.httpRequest",
"position": [
4928,
-240
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "676544e3-80a6-45c3-93a8-05ecd35b019a",
"name": "将嵌入保存到数据库",
"type": "n8n-nodes-base.supabase",
"position": [
5136,
-240
],
"parameters": {},
"typeVersion": 1
},
{
"id": "a27230ed-40be-478e-b383-6c712d980db8",
"name": "聚合",
"type": "n8n-nodes-base.aggregate",
"position": [
6960,
-256
],
"parameters": {},
"typeVersion": 1
},
{
"id": "3c9c5b54-8ce7-48b2-a424-6f9bf5886e3a",
"name": "搜索嵌入",
"type": "n8n-nodes-base.httpRequest",
"position": [
6736,
-256
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "7cfe3ce3-8687-4d81-a3c4-39efa4b5d6db",
"name": "嵌入用户消息",
"type": "n8n-nodes-base.httpRequest",
"position": [
6512,
-256
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "a42c6b9e-2c39-433e-b065-e2a0ea479eb9",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
3456,
-432
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "5241c4e5-c630-49a5-bda5-ae5dec630bab",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
5456,
-432
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "c534b0d4-3be9-4e8b-866f-a8718814ca02",
"name": "当点击\"执行工作流\"时",
"type": "n8n-nodes-base.manualTrigger",
"position": [
4224,
-240
],
"parameters": {},
"typeVersion": 1
},
{
"id": "a9bec279-7d7d-4a44-a221-e236ae1b7703",
"name": "Google Gemini 聊天模型",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
7168,
-32
],
"parameters": {},
"typeVersion": 1
},
{
"id": "c07d0fb0-6752-4f1a-832b-7d01163e2293",
"name": "发送消息",
"type": "n8n-nodes-base.whatsApp",
"position": [
7504,
-256
],
"webhookId": "2b88030b-0e59-4b3a-8a97-0d1c81695f5b",
"parameters": {},
"typeVersion": 1
},
{
"id": "090a8f79-2808-476b-a730-caf2da72d31c",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
7168,
-256
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "719a5691-689d-44a8-855f-9eafb8aac9fd",
"name": "条件判断",
"type": "n8n-nodes-base.if",
"position": [
6256,
-272
],
"parameters": {},
"typeVersion": 2.2
}
],
"pinData": {},
"connections": {
"If": {
"main": [
[],
[
{
"node": "Embend User Message",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Send message",
"type": "main",
"index": 0
}
]
]
},
"Aggregate": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"WhatsApp Trigger": {
"main": [
[
{
"node": "If",
"type": "main",
"index": 0
}
]
]
},
"Search Embeddings": {
"main": [
[
{
"node": "Aggregate",
"type": "main",
"index": 0
}
]
]
},
"Embend User Message": {
"main": [
[
{
"node": "Search Embeddings",
"type": "main",
"index": 0
}
]
]
},
"Splitting into Chunks": {
"main": [
[
{
"node": "Embedding Uploaded document",
"type": "main",
"index": 0
}
]
]
},
"Content for the Training": {
"main": [
[
{
"node": "Splitting into Chunks",
"type": "main",
"index": 0
}
]
]
},
"Google Gemini Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Embedding Uploaded document": {
"main": [
[
{
"node": "Save the embedding in DB",
"type": "main",
"index": 0
}
]
]
},
"When clicking ‘Execute workflow’": {
"main": [
[
{
"node": "Content for the Training",
"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？
中级 - 内容创作, 多模态 AI
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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