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简单 RAG

中级

这是一个Internal Wiki, AI RAG领域的自动化工作流，包含 14 个节点。主要使用 FormTrigger, Agent, ChatTrigger, LmChatOpenAi, RerankerCohere 等节点。 使用OpenAI、Pinecone和Cohere重排序构建基于PDF的RAG系统

前置要求
  • •OpenAI API Key
  • •Pinecone API Key

使用的节点 (14)

StickyNote
FormTrigger
Agent
ChatTrigger
LmChatOpenAi
RerankerCohere
EmbeddingsOpenAi
MemoryBufferWindow
VectorStorePinecone
DocumentDefaultDataLoader
TextSplitterRecursiveCharacterTextSplitter

分类

内部知识库
AI RAG 检索增强
工作流预览
可视化展示节点连接关系，支持缩放和平移
React Flow
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
  "id": "pDhufDfHS9qRgtLf",
  "meta": {
    "instanceId": "fa52a98dd39f67760c7540fff8a0dd5306d89f766551eb7a7c84b5f43eb33d4c",
    "templateCredsSetupCompleted": true
  },
  "name": "简单 RAG",
  "tags": [],
  "nodes": [
    {
      "id": "93cd13c5-12ad-4c9c-aac7-1886a1d24470",
      "name": "表单提交时",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        0,
        0
      ],
      "webhookId": "cab3dda4-3b49-4f05-a2c1-915ae4c62017",
      "parameters": {
        "options": {},
        "formTitle": "Upload RAG PDF",
        "formFields": {
          "values": [
            {
              "fieldType": "file",
              "fieldLabel": "File",
              "multipleFiles": false,
              "requiredField": true,
              "acceptFileTypes": ".pdf"
            }
          ]
        },
        "formDescription": "Upload RAG PDF"
      },
      "typeVersion": 2.2
    },
    {
      "id": "13fe2ba5-a24d-4198-8509-882eb4c08e1a",
      "name": "Pinecone Vector Store",
      "type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
      "position": [
        320,
        0
      ],
      "parameters": {
        "mode": "insert",
        "options": {},
        "pineconeIndex": {
          "__rl": true,
          "mode": "list",
          "value": "n8n",
          "cachedResultName": "n8n"
        }
      },
      "credentials": {
        "pineconeApi": {
          "id": "VP5fhue9NYRkdlCj",
          "name": "PineconeApi account"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "aa3d1481-3da7-4ae1-9857-c64a71e28443",
      "name": "OpenAI 嵌入",
      "type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
      "position": [
        920,
        460
      ],
      "parameters": {
        "options": {
          "dimensions": 1024
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "y8sLJ2LzZL2c7SGi",
          "name": "OpenAI Webinar"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "17350e15-5b99-493d-acd2-9f44fd661b09",
      "name": "默认数据加载器",
      "type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
      "position": [
        440,
        220
      ],
      "parameters": {
        "options": {},
        "dataType": "binary",
        "textSplittingMode": "custom"
      },
      "typeVersion": 1.1
    },
    {
      "id": "8199713d-cad8-4d17-937c-1b3b604b95ea",
      "name": "递归字符文本分割器",
      "type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
      "position": [
        520,
        440
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1
    },
    {
      "id": "fcaf5178-4694-4e20-ac62-8da3c1c8279e",
      "name": "便签",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -60,
        -80
      ],
      "parameters": {
        "width": 880,
        "height": 680,
        "content": "## 插入数据到 Pinecone"
      },
      "typeVersion": 1
    },
    {
      "id": "e094ded2-c2e9-4139-b6d0-df086f2e2049",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        1440,
        80
      ],
      "parameters": {
        "options": {
          "systemMessage": "Hanya jawab berdasarkan data yang ada di tools \"VectorDB\". Kalau data disitu gak ada, jawab saja kamu tidak tahu."
        }
      },
      "typeVersion": 2
    },
    {
      "id": "015d2a82-3c3d-4604-bbbf-7df57dd24269",
      "name": "当收到聊天消息时",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        1200,
        80
      ],
      "webhookId": "c1f8d15b-e096-47f8-922e-a7484ebbc25c",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1
    },
    {
      "id": "a1b26946-9a3f-4aa2-a723-f91e196943cf",
      "name": "OpenAI 聊天模型",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        1280,
        300
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1",
          "cachedResultName": "gpt-4.1"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "y8sLJ2LzZL2c7SGi",
          "name": "OpenAI Webinar"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "6beecd5e-a8fc-4e69-8fbc-a0e0e90c4aa6",
      "name": "简单记忆",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        1480,
        300
      ],
      "parameters": {},
      "typeVersion": 1.3
    },
    {
      "id": "02b1aa4f-a291-4f2c-b6d9-0290d6b563ae",
      "name": "向量数据库",
      "type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
      "position": [
        1640,
        300
      ],
      "parameters": {
        "mode": "retrieve-as-tool",
        "topK": 20,
        "options": {},
        "useReranker": true,
        "pineconeIndex": {
          "__rl": true,
          "mode": "list",
          "value": "n8n",
          "cachedResultName": "n8n"
        },
        "toolDescription": "Ambil data dari vector database untuk knowledgebase"
      },
      "credentials": {
        "pineconeApi": {
          "id": "VP5fhue9NYRkdlCj",
          "name": "PineconeApi account"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "bada58fc-73f4-431f-9702-e742a75ce2c3",
      "name": "便签 1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1100,
        -80
      ],
      "parameters": {
        "color": 5,
        "width": 860,
        "height": 680,
        "content": "## 聊天 AI Agent"
      },
      "typeVersion": 1
    },
    {
      "id": "2e572866-dcf7-492f-aebe-35b12bc6b27d",
      "name": "便签 2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        840,
        300
      ],
      "parameters": {
        "color": 4,
        "height": 300,
        "content": "## 嵌入模型"
      },
      "typeVersion": 1
    },
    {
      "id": "6dcbbf3a-3acd-4170-9f79-c2441da18979",
      "name": "Cohere 重排序器",
      "type": "@n8n/n8n-nodes-langchain.rerankerCohere",
      "position": [
        1740,
        480
      ],
      "parameters": {},
      "credentials": {
        "cohereApi": {
          "id": "yDA2nh2ZZXkR9tcq",
          "name": "Cohere API Trial"
        }
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "6b1d46bd-ed09-4a25-a95e-fa5a3e2950f7",
  "connections": {
    "VectorDB": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Reranker Cohere": {
      "ai_reranker": [
        [
          {
            "node": "VectorDB",
            "type": "ai_reranker",
            "index": 0
          }
        ]
      ]
    },
    "Embeddings OpenAI": {
      "ai_embedding": [
        [
          {
            "node": "Pinecone Vector Store",
            "type": "ai_embedding",
            "index": 0
          },
          {
            "node": "VectorDB",
            "type": "ai_embedding",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "On form submission": {
      "main": [
        [
          {
            "node": "Pinecone Vector Store",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Default Data Loader": {
      "ai_document": [
        [
          {
            "node": "Pinecone Vector Store",
            "type": "ai_document",
            "index": 0
          }
        ]
      ]
    },
    "Pinecone Vector Store": {
      "main": [
        []
      ]
    },
    "When chat message received": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Recursive Character Text Splitter": {
      "ai_textSplitter": [
        [
          {
            "node": "Default Data Loader",
            "type": "ai_textSplitter",
            "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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工作流信息
难度等级
中级
节点数量14
分类2
节点类型11
难度说明

适合有一定经验的用户，包含 6-15 个节点的中等复杂度工作流

作者
Aji Prakoso

Aji Prakoso

@jipraks

Indonesian AI & Automation Enthusiast. Automating life using n8n.

外部链接
在 n8n.io 查看 →

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