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零成本记忆MCP服务器

高级

这是一个Internal Wiki, AI RAG领域的自动化工作流，包含 16 个节点。主要使用 Set, Switch, GoogleDocs, DiscordTool, Agent 等节点。 使用Google Docs、Discord和AI助手的团队知识管理

前置要求
  • •Discord Bot Token 或 Webhook
  • •OpenAI API Key

使用的节点 (16)

Set
Switch
GoogleDocs
DiscordTool
Agent
McpTrigger
LmChatOpenAi
ToolWorkflow
ExecuteWorkflowTrigger

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": "ATjMKRLbLKofEzVN",
  "meta": {
    "instanceId": "8931e7db592c2960ce253801ea290c1dc66e447734ce3d968310365665cefc80",
    "templateCredsSetupCompleted": true
  },
  "name": "零成本记忆 MCP 服务器",
  "tags": [],
  "nodes": [
    {
      "id": "611a2bb4-8991-4144-a0c1-78a5cbefb966",
      "name": "当被其他工作流执行时",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "position": [
        540,
        740
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "6b10af4c-4b89-4d44-945f-799aa5fe50be",
      "name": "保存长期记忆",
      "type": "n8n-nodes-base.googleDocs",
      "position": [
        1180,
        700
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "2e9e0311-a2bf-483e-ba1f-40c341813cd8",
      "name": "已保存的响应",
      "type": "n8n-nodes-base.set",
      "position": [
        1360,
        700
      ],
      "parameters": {},
      "typeVersion": 3.4
    },
    {
      "id": "319c3f0a-c256-4ccc-b711-1fb5c02fe8f4",
      "name": "使用长期记忆进行响应",
      "type": "n8n-nodes-base.set",
      "position": [
        1360,
        900
      ],
      "parameters": {},
      "typeVersion": 3.4
    },
    {
      "id": "e197e769-decb-4c5b-b73e-17a2e9edf3d4",
      "name": "检索长期记忆",
      "type": "n8n-nodes-base.googleDocs",
      "position": [
        1180,
        900
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "8f9ec70f-d492-4274-bc21-30c62a85ec1d",
      "name": "记忆工具路由器",
      "type": "n8n-nodes-base.switch",
      "position": [
        880,
        740
      ],
      "parameters": {},
      "typeVersion": 3.2
    },
    {
      "id": "77021caf-04fe-4308-8486-b9dfaddbdd4d",
      "name": "编辑字段",
      "type": "n8n-nodes-base.set",
      "position": [
        700,
        740
      ],
      "parameters": {},
      "typeVersion": 3.4
    },
    {
      "id": "9150f75e-c643-4591-8805-ab3ff38219ed",
      "name": "保存记忆",
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "position": [
        540,
        1180
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "dc5b064b-e66d-4ecf-9196-c68b0a5b9ddb",
      "name": "检索记忆",
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "position": [
        720,
        1180
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "d24e81fd-405a-449a-bcb7-0d2f76f848bc",
      "name": "发送记忆到 Discord",
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "position": [
        900,
        1180
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "ebed3fad-a567-421e-91be-cc8328ee294a",
      "name": "4o-mini",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        1320,
        1260
      ],
      "parameters": {},
      "typeVersion": 1.2
    },
    {
      "id": "c1f296d4-0f28-46e8-8497-c84d92b8589f",
      "name": "MCP 服务器触发器",
      "type": "@n8n/n8n-nodes-langchain.mcpTrigger",
      "position": [
        620,
        940
      ],
      "webhookId": "14877796-8d49-4bde-98cb-2b035d9e9f76",
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "b870366a-b4aa-4547-96ca-bcae0365d1df",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        1340,
        1080
      ],
      "parameters": {},
      "typeVersion": 1.9
    },
    {
      "id": "52a98e45-fe71-4dd5-bd6a-34b64c0118d5",
      "name": "检索长期记忆 Discord",
      "type": "n8n-nodes-base.googleDocs",
      "position": [
        1180,
        1120
      ],
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "a9dc7e5d-d621-40e7-96a4-5f4006905863",
      "name": "私信用户",
      "type": "n8n-nodes-base.discordTool",
      "position": [
        1580,
        1260
      ],
      "webhookId": "bb3f7f32-586a-47fe-ba7b-d988bfb91605",
      "parameters": {},
      "typeVersion": 2
    },
    {
      "id": "dec22729-2b44-48c0-9a60-67902b2381f8",
      "name": "发送到频道",
      "type": "n8n-nodes-base.discordTool",
      "position": [
        1460,
        1260
      ],
      "webhookId": "bb3f7f32-586a-47fe-ba7b-d988bfb91605",
      "parameters": {},
      "typeVersion": 2
    }
  ],
  "active": true,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "e3f9df63-72b0-4bda-992d-ea01a456a09a",
  "connections": {
    "4o-mini": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "DM User": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Edit Fields": {
      "main": [
        [
          {
            "node": "Memory Tool Router",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Save Memories": {
      "ai_tool": [
        [
          {
            "node": "MCP Server Trigger",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Send to Channel": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Retrieve Memories": {
      "ai_tool": [
        [
          {
            "node": "MCP Server Trigger",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Memory Tool Router": {
      "main": [
        [
          {
            "node": "Save Long Term Memories",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Retrieve Long Term Memories",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Retrieve Long Term Memories Discord",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Save Long Term Memories": {
      "main": [
        [
          {
            "node": "Saved response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Memories to Discord": {
      "ai_tool": [
        [
          {
            "node": "MCP Server Trigger",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Retrieve Long Term Memories": {
      "main": [
        [
          {
            "node": "Respond with long term memories",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When Executed by Another Workflow": {
      "main": [
        [
          {
            "node": "Edit Fields",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Retrieve Long Term Memories Discord": {
      "main": [
        [
          {
            "node": "AI Agent",
            "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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工作流信息
难度等级
高级
节点数量16
分类2
节点类型9
难度说明

适合高级用户，包含 16+ 个节点的复杂工作流

作者
David Ashby

David Ashby

@cfomodz

A hacker by nature, programmer by trade ⚒️ I'm looking to collaborate on things that save human labor 📫 How to reach me Github👇 -> Discord

外部链接
在 n8n.io 查看 →

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