PDF RAG智能体 - Telegram聊天与Google Drive自动摄取
高级
这是一个Content Creation, Multimodal AI领域的自动化工作流，包含 38 个节点。主要使用 If, Webhook, Telegram, GoogleDrive, HttpRequest 等节点。 具备Telegram聊天功能和Google Drive自动摄取能力的PDF RAG智能体
前置要求
- •HTTP Webhook 端点（n8n 会自动生成）
- •Telegram Bot Token
- •Google Drive API 凭证
- •可能需要目标 API 的认证凭证
- •OpenAI API Key
使用的节点 (38)
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": "cfcdd4aa7acb600106c0a4bff4e6959e8e3b32b3b8cbc7d93531b2a4c9012a32",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "1bb5bca6-10c4-4d9e-9435-3400fe80d2aa",
"name": "默认数据加载器",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
-960,
-1648
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "5759f41a-5c02-4d3d-8bee-1da84290bd39",
"name": "Azure OpenAI 聊天模型1",
"type": "@n8n/n8n-nodes-langchain.lmChatAzureOpenAi",
"position": [
304,
-2048
],
"parameters": {},
"typeVersion": 1
},
{
"id": "587a276a-5405-418f-8c19-462cdd10fb36",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
304,
-2256
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "8538610d-7484-4096-affa-5855d3825d36",
"name": "发送PDF文件",
"type": "n8n-nodes-base.httpRequest",
"position": [
-656,
-2176
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "e39c3c95-a9d0-4451-8ae3-92ff9b78eb50",
"name": "Mistral云嵌入",
"type": "@n8n/n8n-nodes-langchain.embeddingsMistralCloud",
"position": [
-928,
-1344
],
"parameters": {},
"typeVersion": 1
},
{
"id": "ea109c37-e951-4947-9b4e-5f24dcac0dfa",
"name": "Postgres PGVector存储",
"type": "@n8n/n8n-nodes-langchain.vectorStorePGVector",
"position": [
-928,
-1824
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "32bcfb09-99d7-4883-b0bb-7c51b294dfff",
"name": "遍历项目",
"type": "n8n-nodes-base.splitInBatches",
"position": [
-1040,
-2256
],
"parameters": {},
"typeVersion": 3
},
{
"id": "dc536bb3-09b4-4e99-9170-6d5ce7536590",
"name": "列出所有文件名",
"type": "n8n-nodes-base.googleDrive",
"position": [
-1232,
-2256
],
"parameters": {},
"typeVersion": 3
},
{
"id": "f71096a3-a5af-4567-95ce-a63869849975",
"name": "下载对应文件",
"type": "n8n-nodes-base.googleDrive",
"position": [
-848,
-2176
],
"parameters": {},
"typeVersion": 3
},
{
"id": "c5e62513-0da7-4fb3-a33b-50c0b876948d",
"name": "运行摄取",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-1424,
-2256
],
"parameters": {},
"typeVersion": 1
},
{
"id": "d73b903d-b030-42b7-a1f0-44eb087ff017",
"name": "PDF摄取Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
-1120,
-1824
],
"webhookId": "pdf-ingest-webhook",
"parameters": {},
"typeVersion": 1
},
{
"id": "673e5655-924d-4b87-8b9d-a8d0d92fbea3",
"name": "Token Splitter",
"type": "@n8n/n8n-nodes-langchain.textSplitterTokenSplitter",
"position": [
-960,
-1488
],
"parameters": {},
"typeVersion": 1
},
{
"id": "22ad6959-4b23-40ca-97d6-a1780e93b81e",
"name": "便签 2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1504,
-2336
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "152563cd-493f-4862-b1df-9ce36d25c2c1",
"name": "便签 5",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1504,
-1888
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "7025aca3-98b9-4578-87a4-964fa1404d09",
"name": "Postgres PGVector Store2",
"type": "@n8n/n8n-nodes-langchain.vectorStorePGVector",
"position": [
368,
-1760
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "04f31fae-759f-4568-9c1c-d0bb70bcb9a2",
"name": "Mistral云嵌入2",
"type": "@n8n/n8n-nodes-langchain.embeddingsMistralCloud",
"position": [
368,
-1600
],
"parameters": {},
"typeVersion": 1
},
{
"id": "c1e2f23a-661b-4f9f-841e-45e7a20fcb47",
"name": "Telegram触发器",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-1376,
-1072
],
"webhookId": "176e4668-9dcb-42ac-a216-79785da469d6",
"parameters": {},
"typeVersion": 1.2
},
{
"id": "d1b46c07-aed2-4a8d-8cf7-8c32a9f5d99f",
"name": "Azure OpenAI聊天模型3",
"type": "@n8n/n8n-nodes-langchain.lmChatAzureOpenAi",
"position": [
144,
-880
],
"parameters": {},
"typeVersion": 1
},
{
"id": "24829661-5ed7-42fd-a919-dd92aa429f79",
"name": "AI代理2",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
144,
-1088
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "eef6da5b-38d7-44b1-9fce-368aba504860",
"name": "Postgres PGVector存储3",
"type": "@n8n/n8n-nodes-langchain.vectorStorePGVector",
"position": [
208,
-576
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "61176586-9a2e-45b9-8592-bf86c989ebf7",
"name": "Mistral云嵌入3",
"type": "@n8n/n8n-nodes-langchain.embeddingsMistralCloud",
"position": [
208,
-416
],
"parameters": {},
"typeVersion": 1
},
{
"id": "28a0b6b9-8be9-491b-83e9-54ecceee4e87",
"name": "发送文本消息",
"type": "n8n-nodes-base.telegram",
"position": [
448,
-1088
],
"webhookId": "05d497e8-d826-40c5-98d0-bc42666e77f8",
"parameters": {},
"typeVersion": 1.2
},
{
"id": "6eb22528-4c87-44cb-a152-7abeb45c43ff",
"name": "简单记忆",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
240,
-736
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "f381d0a0-7b41-489c-9499-467e77620c47",
"name": "便签6",
"type": "n8n-nodes-base.stickyNote",
"disabled": true,
"position": [
-16,
-2336
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "a1086f33-fda6-458a-b458-14e15064ddaa",
"name": "便签7",
"type": "n8n-nodes-base.stickyNote",
"disabled": true,
"position": [
-1504,
-1152
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "b94c09c3-6451-4a5e-a85b-1aa497571d4e",
"name": "发送拒绝消息",
"type": "n8n-nodes-base.telegram",
"position": [
-864,
-768
],
"webhookId": "05d497e8-d826-40c5-98d0-bc42666e77f8",
"parameters": {},
"typeVersion": 1.2
},
{
"id": "909b0739-2bb6-4ab3-ad66-a5006b1cbf62",
"name": "简单内存2",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
400,
-1904
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "885d7ab7-769c-482f-9ccb-b5351bddd428",
"name": "聊天触发器",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
80,
-2256
],
"webhookId": "8a911bfd-388d-4e4d-aec7-994ea4429b9c",
"parameters": {},
"typeVersion": 1.3
},
{
"id": "14619b70-8499-49dc-9a0d-0c61e62b3ea5",
"name": "如果收到文本消息",
"type": "n8n-nodes-base.if",
"position": [
-1216,
-1072
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "ad652cab-041e-445d-9f60-8feacba30c18",
"name": "如果收到PDF文件",
"type": "n8n-nodes-base.if",
"position": [
-1040,
-848
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "ff0b610a-5a35-4602-9df7-f40fe58d7c3a",
"name": "发送已下载的PDF文件",
"type": "n8n-nodes-base.httpRequest",
"position": [
-320,
-1008
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "5c5d0290-6975-4bab-bd36-34c51b43c3b6",
"name": "下载PDF文件",
"type": "n8n-nodes-base.telegram",
"position": [
-512,
-1008
],
"webhookId": "858e27a3-84db-49da-80f4-adf3f5ccef0d",
"parameters": {},
"typeVersion": 1.2
},
{
"id": "f8ed9971-bea3-422b-a724-3bf66f7fc1ce",
"name": "批准摄取",
"type": "n8n-nodes-base.telegram",
"position": [
-864,
-928
],
"webhookId": "46f4d63e-c327-4a58-bb5f-b7c9e76cbbc0",
"parameters": {},
"typeVersion": 1.2
},
{
"id": "adda50a8-624a-4dde-ba84-478ae3e5fbfd",
"name": "如果用户批准",
"type": "n8n-nodes-base.if",
"position": [
-688,
-928
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "3448fda2-4133-475d-97c4-683ab18e7e8d",
"name": "用户拒绝",
"type": "n8n-nodes-base.telegram",
"position": [
-512,
-848
],
"webhookId": "05d497e8-d826-40c5-98d0-bc42666e77f8",
"parameters": {},
"typeVersion": 1.2
},
{
"id": "a040371b-5896-4d2c-b80a-0614e3d6093c",
"name": "发送完成消息",
"type": "n8n-nodes-base.telegram",
"position": [
-112,
-1008
],
"webhookId": "05d497e8-d826-40c5-98d0-bc42666e77f8",
"parameters": {},
"typeVersion": 1.2
},
{
"id": "b172fc47-6784-4c5d-841c-d3f0b52b059c",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2112,
-2336
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "da165d33-406b-4bce-b521-040e97c4c4e7",
"name": "便签 1",
"type": "n8n-nodes-base.stickyNote",
"position": [
736,
-2336
],
"parameters": {
"content": ""
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"AI Agent2": {
"main": [
[
{
"node": "Send a Text Message",
"type": "main",
"index": 0
}
]
]
},
"Chat Trigger": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Run Ingestion": {
"main": [
[
{
"node": "List All File Names",
"type": "main",
"index": 0
}
]
]
},
"Send PDF File": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "AI Agent2",
"type": "ai_memory",
"index": 0
}
]
]
},
"Simple Memory2": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Token Splitter": {
"ai_textSplitter": [
[
{
"node": "Default Data Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Loop Over Items": {
"main": [
[],
[
{
"node": "Download Corresponding File",
"type": "main",
"index": 0
}
]
]
},
"If User Approved": {
"main": [
[
{
"node": "Download PDF File",
"type": "main",
"index": 0
}
],
[
{
"node": "User Dissapproved",
"type": "main",
"index": 0
}
]
]
},
"Telegram Trigger": {
"main": [
[
{
"node": "If Text Message Received",
"type": "main",
"index": 0
}
]
]
},
"Approve Ingestion": {
"main": [
[
{
"node": "If User Approved",
"type": "main",
"index": 0
}
]
]
},
"Download PDF File": {
"main": [
[
{
"node": "Send Downloaded PDF File",
"type": "main",
"index": 0
}
]
]
},
"PDF Ingest Webhook": {
"main": [
[
{
"node": "Postgres PGVector Store",
"type": "main",
"index": 0
}
]
]
},
"Default Data Loader": {
"ai_document": [
[
{
"node": "Postgres PGVector Store",
"type": "ai_document",
"index": 0
}
]
]
},
"List All File Names": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"If PDF File Received": {
"main": [
[
{
"node": "Approve Ingestion",
"type": "main",
"index": 0
}
],
[
{
"node": "Send Refusal Message",
"type": "main",
"index": 0
}
]
]
},
"Postgres PGVector Store": {
"main": [
[]
]
},
"Azure OpenAI Chat Model1": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Azure OpenAI Chat Model3": {
"ai_languageModel": [
[
{
"node": "AI Agent2",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Embeddings Mistral Cloud": {
"ai_embedding": [
[
{
"node": "Postgres PGVector Store",
"type": "ai_embedding",
"index": 0
}
]
]
},
"If Text Message Received": {
"main": [
[
{
"node": "AI Agent2",
"type": "main",
"index": 0
}
],
[
{
"node": "If PDF File Received",
"type": "main",
"index": 0
}
]
]
},
"Postgres PGVector Store2": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Postgres PGVector Store3": {
"ai_tool": [
[
{
"node": "AI Agent2",
"type": "ai_tool",
"index": 0
}
]
]
},
"Send Downloaded PDF File": {
"main": [
[
{
"node": "Send Finished Message",
"type": "main",
"index": 0
}
]
]
},
"Embeddings Mistral Cloud2": {
"ai_embedding": [
[
{
"node": "Postgres PGVector Store2",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Embeddings Mistral Cloud3": {
"ai_embedding": [
[
{
"node": "Postgres PGVector Store3",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Download Corresponding File": {
"main": [
[
{
"node": "Send PDF File",
"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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