Construir un chatbot de base de conocimiento con incrustaciones de vectores OpenAI, RAG y MongoDB
Este es unSupport, AIflujo de automatización del dominio deautomatización que contiene 15 nodos.Utiliza principalmente nodos como GoogleDocs, ManualTrigger, Agent, ChatTrigger, LmChatOpenAi, combinando tecnología de inteligencia artificial para lograr automatización inteligente. Construye un chatbot de base de conocimiento usando incrustaciones vectoriales de OpenAI, RAG y MongoDB
- •Clave de API de OpenAI
- •Cadena de conexión de MongoDB
Nodos utilizados (15)
Categoría
{
"meta": {
"instanceId": "074f90e2bb5206c5f405a8aac6551497c72005283a5405fb08207b1b3a78c2b8",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "5cb0a836-f9a1-4f92-9326-cd82a392d0da",
"name": "Agente de Base de Conocimientos",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
220,
0
],
"parameters": {
"text": "={{ $json.chatInput }}",
"options": {
"systemMessage": "You are the AI assistant for an internal support team at a technology company specializing in advanced software solutions. Your task is to assist internal users by consulting the official product documentation stored in the company’s knowledge base.\n\nAvailable references:\n\nproductDocs: Step-by-step guides, technical configurations, and official manuals extracted from the product’s documentation.\n\nBehavior rules for answering questions:\nAlways consult the official product documentation first using the productDocs tool.\n\nRespond clearly and directly, explaining how to do what is requested.\n\nDo not filter by category unless explicitly asked by the user.\n\nDetect the language of each incoming message individually and respond in that language. Do not use prior conversation language or history to decide the response language.\n\nNever provide links, even if requested. If a user asks for a link, reply:\n“I cannot provide links. If you need specific information, please let me know and I will help with the details.”\n\nUse a professional, direct, and human tone.\n\nKeep answers between 2 and 4 lines unless the user requests more detail.\n\nDo not invent information that is not in the knowledge base.\n\nIf you give numbered steps or lists, number them sequentially (1, 2, 3...) without skipping or repeating numbers, even if the source content uses different numbering."
},
"promptType": "define"
},
"typeVersion": 1.9
},
{
"id": "56e6fb75-6a97-4466-9e7f-70710c2740d7",
"name": "Modelo de Chat OpenAI",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
60,
240
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "cJRah9hGPQ7eX4jd",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "e352c32e-7108-4a0d-b081-b2532d96d092",
"name": "Incrustaciones OpenAI",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
680,
380
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "cJRah9hGPQ7eX4jd",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "74bbfb00-1a00-4131-a291-bce5b79628b4",
"name": "Al hacer clic en \"Ejecutar Flujo de Trabajo\"",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-60,
-420
],
"parameters": {},
"typeVersion": 1
},
{
"id": "f720a4b0-6239-4a0b-bb61-1e43f78f8e40",
"name": "Memoria Simple",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
320,
220
],
"parameters": {},
"typeVersion": 1.3
},
{
"id": "94561d61-4a01-48b6-b114-dc4d47546ff3",
"name": "Búsqueda Vectorial MongoDB",
"type": "@n8n/n8n-nodes-langchain.vectorStoreMongoDBAtlas",
"position": [
560,
220
],
"parameters": {
"mode": "retrieve-as-tool",
"options": {},
"toolName": "productDocs",
"mongoCollection": {
"__rl": true,
"mode": "list",
"value": "n8n-template",
"cachedResultName": "n8n-template"
},
"toolDescription": "retreive documentation",
"vectorIndexName": "data_index"
},
"credentials": {
"mongoDb": {
"id": "7riubYENUDZsmjyK",
"name": "MongoDB account 2"
}
},
"typeVersion": 1.1
},
{
"id": "c473c33d-5681-4f3a-ac36-0d3012e7251f",
"name": "Cargador de Secciones de Documentos",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
740,
-260
],
"parameters": {
"options": {
"metadata": {
"metadataValues": [
{
"name": "doc_id",
"value": "={{ $json.documentId }}"
}
]
}
},
"jsonData": "={{ $json.content }}",
"jsonMode": "expressionData"
},
"typeVersion": 1
},
{
"id": "321222cb-1daf-4be2-a6ca-1a03d24f670f",
"name": "Fragmentador de Documentos",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
860,
-100
],
"parameters": {
"options": {
"splitCode": "markdown"
},
"chunkSize": 3000,
"chunkOverlap": 200
},
"typeVersion": 1
},
{
"id": "716519f5-cec1-4bfe-afbe-614fc23e74b5",
"name": "Insertador de Almacén Vectorial MongoDB",
"type": "@n8n/n8n-nodes-langchain.vectorStoreMongoDBAtlas",
"position": [
540,
-420
],
"parameters": {
"mode": "insert",
"options": {},
"mongoCollection": {
"__rl": true,
"mode": "list",
"value": "n8n-template",
"cachedResultName": "n8n-template"
},
"vectorIndexName": "data_index"
},
"credentials": {
"mongoDb": {
"id": "7riubYENUDZsmjyK",
"name": "MongoDB account 2"
}
},
"typeVersion": 1.1
},
{
"id": "a49c19fc-f5f5-4381-b6ba-1bfc12b96135",
"name": "Generador de Incrustaciones OpenAI",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
480,
-180
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "cJRah9hGPQ7eX4jd",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "6de724d5-2941-4e72-af8b-302ca2cf2ca0",
"name": "Importador de Documentos Google",
"type": "n8n-nodes-base.googleDocs",
"position": [
200,
-420
],
"parameters": {
"operation": "get",
"documentURL": "https://docs.google.com/document/d/1gvgp71e9edob8WLqFIYCdzC7kUq3pLO37VKb-a-vVW4/edit?tab=t.0"
},
"credentials": {
"googleDocsOAuth2Api": {
"id": "FNXMwqMf7vl1WUFj",
"name": "Google Docs account"
}
},
"typeVersion": 2
},
{
"id": "4f30bb21-72f0-4d13-b610-2ec218ad31b1",
"name": "Nota Adhesiva",
"type": "n8n-nodes-base.stickyNote",
"position": [
-420,
-440
],
"parameters": {
"color": 5,
"content": "Run this workflow manually to import and index Google Docs product documentation into MongoDB with vector embeddings for fast search."
},
"typeVersion": 1
},
{
"id": "25fd33d5-041b-4f01-a46b-1bacabd88376",
"name": "Al recibir mensaje de chat",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
40,
0
],
"webhookId": "427ead97-647d-49c7-82d7-e76b40664fd1",
"parameters": {
"options": {}
},
"typeVersion": 1.1
},
{
"id": "f1f3fadd-d5e6-45df-b810-1616531dffcb",
"name": "Nota Adhesiva1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-420,
40
],
"parameters": {
"color": 4,
"content": "This workflow uses retrieval-augmented generation (RAG) to answer user questions by searching the MongoDB vector store and generating AI responses with context."
},
"typeVersion": 1
},
{
"id": "39eee95c-b332-4ae4-bde9-aaf0fe5e0546",
"name": "Nota Adhesiva2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1060,
-380
],
"parameters": {
"height": 520,
"content": "Search Index Example \n\n{\n \"mappings\": {\n \"dynamic\": false,\n \"fields\": {\n \"_id\": {\n \"type\": \"string\"\n },\n \"text\": {\n \"type\": \"string\"\n },\n \"embedding\": {\n \"type\": \"knnVector\",\n \"dimensions\": 1536,\n \"similarity\": \"cosine\"\n },\n \"source\": {\n \"type\": \"string\"\n },\n \"doc_id\": {\n \"type\": \"string\"\n }\n }\n }\n}\n"
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"f720a4b0-6239-4a0b-bb61-1e43f78f8e40": {
"ai_memory": [
[
{
"node": "5cb0a836-f9a1-4f92-9326-cd82a392d0da",
"type": "ai_memory",
"index": 0
}
]
]
},
"321222cb-1daf-4be2-a6ca-1a03d24f670f": {
"ai_textSplitter": [
[
{
"node": "c473c33d-5681-4f3a-ac36-0d3012e7251f",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"e352c32e-7108-4a0d-b081-b2532d96d092": {
"ai_embedding": [
[
{
"node": "94561d61-4a01-48b6-b114-dc4d47546ff3",
"type": "ai_embedding",
"index": 0
}
]
]
},
"56e6fb75-6a97-4466-9e7f-70710c2740d7": {
"ai_languageModel": [
[
{
"node": "5cb0a836-f9a1-4f92-9326-cd82a392d0da",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"6de724d5-2941-4e72-af8b-302ca2cf2ca0": {
"main": [
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"node": "716519f5-cec1-4bfe-afbe-614fc23e74b5",
"type": "main",
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},
"5cb0a836-f9a1-4f92-9326-cd82a392d0da": {
"main": [
[]
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"94561d61-4a01-48b6-b114-dc4d47546ff3": {
"ai_tool": [
[
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"type": "ai_tool",
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}
]
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},
"c473c33d-5681-4f3a-ac36-0d3012e7251f": {
"ai_document": [
[
{
"node": "716519f5-cec1-4bfe-afbe-614fc23e74b5",
"type": "ai_document",
"index": 0
}
]
]
},
"25fd33d5-041b-4f01-a46b-1bacabd88376": {
"main": [
[
{
"node": "5cb0a836-f9a1-4f92-9326-cd82a392d0da",
"type": "main",
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},
"a49c19fc-f5f5-4381-b6ba-1bfc12b96135": {
"ai_embedding": [
[
{
"node": "716519f5-cec1-4bfe-afbe-614fc23e74b5",
"type": "ai_embedding",
"index": 0
}
]
]
},
"74bbfb00-1a00-4131-a291-bce5b79628b4": {
"main": [
[
{
"node": "6de724d5-2941-4e72-af8b-302ca2cf2ca0",
"type": "main",
"index": 0
}
]
]
}
}
}¿Cómo usar este flujo de trabajo?
Copie el código de configuración JSON de arriba, cree un nuevo flujo de trabajo en su instancia de n8n y seleccione "Importar desde JSON", pegue la configuración y luego modifique la configuración de credenciales según sea necesario.
¿En qué escenarios es adecuado este flujo de trabajo?
Intermedio - Soporte, Inteligencia Artificial
¿Es de pago?
Este flujo de trabajo es completamente gratuito, puede importarlo y usarlo directamente. Sin embargo, tenga en cuenta que los servicios de terceros utilizados en el flujo de trabajo (como la API de OpenAI) pueden requerir un pago por su cuenta.
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