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7. Gmail과 Mem0를 기반으로 한 RAG 대리 이메일 분석기

중급

이것은Document Extraction, Multimodal AI분야의자동화 워크플로우로, 11개의 노드를 포함합니다.주로 Set, McpClient, HttpRequest, GmailTrigger, Agent 등의 노드를 사용하며. Gmail과 Mem0를 기반으로 한 RAG 이메일 분석기

사전 요구사항
  • 대상 API의 인증 정보가 필요할 수 있음
  • Google 계정 및 Gmail API 인증 정보
  • OpenAI API Key
워크플로우 미리보기
노드 연결 관계를 시각적으로 표시하며, 확대/축소 및 이동을 지원합니다
워크플로우 내보내기
다음 JSON 구성을 복사하여 n8n에 가져오면 이 워크플로우를 사용할 수 있습니다
{
  "meta": {
    "instanceId": "834bc6c387a1c56d0622a24b912577f9e6d66c5873f4e6426166054eb488d8fc",
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "08eeb77c-716d-4c9b-b27d-467cce8a62ff",
      "name": "대상 이메일 설정",
      "type": "n8n-nodes-base.set",
      "position": [
        660,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "e99bcc57-e3b9-40f5-a4e9-5efcd389576b",
              "name": "id",
              "type": "string",
              "value": "={{ $json.id || null }}"
            },
            {
              "id": "d13416e2-e91e-473c-9714-6782d03ebd55",
              "name": "threadId",
              "type": "string",
              "value": "={{ $json.threadId || null }}"
            },
            {
              "id": "3a8a616c-e795-4fca-b740-623c45abf7d2",
              "name": "labelIds",
              "type": "array",
              "value": "={{ $json.labelIds || [] }}"
            },
            {
              "id": "2879effb-d76f-4a70-ad04-c113602f262d",
              "name": "textAsHtml",
              "type": "string",
              "value": "={{ $json.textAsHtml || '' }}"
            },
            {
              "id": "79e13a36-85ee-450c-aab8-c0d5883b4e7f",
              "name": "text",
              "type": "string",
              "value": "={{ $json.text || '' }}"
            },
            {
              "id": "8ace904e-28e9-4ddc-b6a6-460139b41d95",
              "name": "html",
              "type": "string",
              "value": "={{ $json.html || '' }}"
            },
            {
              "id": "54bb22a0-c5bc-4f10-8b0d-565094991afd",
              "name": "subject",
              "type": "string",
              "value": "={{ $json.subject || '' }}"
            },
            {
              "id": "b9f66d85-8847-4e98-8e17-1e54a14c2cf6",
              "name": "date",
              "type": "string",
              "value": "={{ $json.date || null }}"
            },
            {
              "id": "7929550a-fb8d-4ec8-bf08-d8179dd94e5b",
              "name": "from.value[0].address",
              "type": "string",
              "value": "={{ $json.from?.value?.[0]?.address || null }}"
            },
            {
              "id": "530a4ea0-002f-4003-b640-b40cd4d85dbf",
              "name": "headers.from",
              "type": "string",
              "value": "={{ $json.headers.from.extractEmail()}}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "96bf9f6a-1bed-4f1f-9775-9e21cd1e8716",
      "name": "Window Buffer Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        960,
        320
      ],
      "parameters": {
        "sessionKey": "={{ $('Set Target Email').item.json.threadId }}",
        "sessionIdType": "customKey",
        "contextWindowLength": 10
      },
      "typeVersion": 1.3
    },
    {
      "id": "c0a7160b-40d5-4bc4-b017-168b30d20794",
      "name": "Structured Output Parser",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        1300,
        500
      ],
      "parameters": {
        "schemaType": "manual",
        "inputSchema": "{\n  \"parsed_email\": \"Extracted core message of the email in plain text\",\n  \"sentiment\": \"The sentiment analysis result (e.g., positive, negative, neutral, unknown)\",\n  \"potential_red_flags\": [\"List\", \"of\", \"potential\", \"red\", \"flags\", \"identified\"],\n  \"keywords\": [\"Extracted\", \"keyword1\", \"keyword2\", \"keyword3\"],\n  \"nlp_keywords\": [\"Related\", \"NLP\", \"keyword1\", \"keyword2\", \"keyword3\"]\n}"
      },
      "typeVersion": 1.2
    },
    {
      "id": "a51731ea-434e-4716-9b20-027f908d57b0",
      "name": "Auto-fixing Output Parser",
      "type": "@n8n/n8n-nodes-langchain.outputParserAutofixing",
      "position": [
        1160,
        340
      ],
      "parameters": {
        "options": {
          "prompt": "Instructions:\n--------------\n{instructions}\n--------------\nCompletion:\n--------------\n{completion}\n--------------\n\nAbove, the Completion did not satisfy the constraints given in the Instructions.\nError:\n--------------\n{error}\n--------------\n\nPlease try again. Please only respond with an answer that satisfies the constraints laid out in the Instructions:"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "3c256e6b-21d8-444d-8638-f659f8a63d01",
      "name": "Full_Email",
      "type": "n8n-nodes-base.gmailTrigger",
      "position": [
        420,
        0
      ],
      "parameters": {
        "simple": false,
        "filters": {},
        "options": {},
        "pollTimes": {
          "item": [
            {
              "mode": "everyMinute"
            }
          ]
        }
      },
      "credentials": {
        "gmailOAuth2": {
          "id": "B2wPJYHUx6cZXowy",
          "name": "Gmail account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "cb22812f-35a6-4919-bbcd-caf285c2a436",
      "name": "llm of your choice",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        840,
        240
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1-nano",
          "cachedResultName": "gpt-4.1-nano"
        },
        "options": {
          "temperature": 0.7
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "TKQcXt7XlrfyymWn",
          "name": "OpenAI Free"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "cedfce1a-0d65-468c-a361-37bbe2e34966",
      "name": "Parsing LLM",
      "type": "@n8n/n8n-nodes-langchain.lmChatMistralCloud",
      "position": [
        1160,
        480
      ],
      "parameters": {
        "model": "mistral-small-2506",
        "options": {
          "temperature": 0.7
        }
      },
      "credentials": {
        "mistralCloudApi": {
          "id": "iYOXcEh8MZIqNBPp",
          "name": "n8n-free"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "cd29c036-a6ee-437f-ba7c-9cfda93e5cca",
      "name": "파싱된 이메일을 메모리에 추가",
      "type": "n8n-nodes-mcp.mcpClient",
      "position": [
        1340,
        0
      ],
      "parameters": {
        "toolName": "add-memory",
        "operation": "executeTool",
        "connectionType": "http",
        "toolParameters": "={{ ({\n  \"content\": JSON.stringify($json.output),\n  \"userId\": $('Set Target Email').item.json.from.value[0].address}) }}"
      },
      "credentials": {
        "mcpClientHttpApi": {
          "id": "igk8vvsdQnKidRP3",
          "name": "mem0"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "c6c963f7-b0d6-48db-b6c1-9de5d23d1a82",
      "name": "email to mem0",
      "type": "n8n-nodes-base.httpRequest",
      "onError": "continueErrorOutput",
      "position": [
        1340,
        -200
      ],
      "parameters": {
        "url": "https://api.mem0.ai/v1/memories/",
        "method": "POST",
        "options": {},
        "jsonBody": "={{\n  ({\n    \"messages\": [\n      {\n        \"role\": \"user\",\n        \"content\": $json.output.core_message ?? \"\"\n      }\n    ],\n    \"user_id\": $('Set Target Email').item.json.from.value[0].address,\n    \"agent_id\": $json.output.sentiment ?? \"unknown\",\n    \"metadata\": JSON.stringify($json.output.keywords ?? {}),\n    \"infer\": true,\n    \"output_format\": \"v1.1\",\n    \"version\": \"v2\"\n  })\n}}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "r4QUfrE3liJp4KMR",
          "name": "Mem0"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "eee750e2-c221-4cbd-bc90-6b4268842594",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -400,
        -280
      ],
      "parameters": {
        "width": 620,
        "height": 1140,
        "content": "### The Problem This Solves\n\nYour inbox is a goldmine of client data, but it's unstructured, and manually monitoring it is a full-time job. This constant, reactive work prevents you from scaling. This workflow solves that \"system problem\" by creating an \"always-on\" engine that automatically processes, analyzes, and structures every incoming email, turning raw communication into a single source of truth for growth.\n\n### How It Works\n\nThis is an autonomous, multi-stage intelligence engine. It runs in the background, turning every new email into a valuable data asset.\n\n1.  **Real-Time Ingest & Prep:** The system is kicked off by the **Gmail Trigger**, which constantly watches your inbox. The moment a new email arrives, the workflow fires. That email is immediately passed to the **Set Target Email** node, which strips it down to the essentials: the sender's address, the subject, and the core text of the message (I prefer using the plain text or HTML-as-text for reliability). While this step is optional, it's a good practice for keeping the data clean and orderly for the AI.\n\n2.  **AI Analysis (The Brain):** The prepared text is fed to the core of the system: the **AI Agent**. This agent, powered by the **LLM of your choice** (e.g., GPT-4), reads and understands the email's content. It's not just reading; it's performing analysis to:\n    * Extract the core message.\n    * Determine the sentiment (Positive, Negative, Neutral).\n    * Identify potential red flags.\n    * Pull out key topics and keywords.\n    * The agent uses **Window Buffer Memory** to recall the last 10 messages within the same conversation thread, giving it the context to provide a much smarter analysis.\n\n3.  **Quality Control (The Parser):** We don't trust the AI's first draft blindly. The analysis is sent to an **Auto-fixing Output Parser**. If the initial output isn't in a perfect JSON format, a second **Parsing LLM** (e.g., Mistral) automatically corrects it. This is our \"twist\" that guarantees your data is always perfectly structured and reliable.\n\n4.  **Create a Permanent Client Record:** This is the most critical step. The clean, structured data is sent to **mem0**. The analysis is now logged against the **sender's email address**. This moves beyond just tracking conversations; it builds a complete, historical intelligence file on every person you communicate with, creating an invaluable, long-term asset.\n\n> **Optional Use:** For back-filling historical data, you can disable the Gmail Trigger and temporarily connect a **Gmail \"Get Many\"** node to the `Set Target Email` node to process your backlog in batches.\n\n\n### Setup Requirements\n\nTo deploy this system, you'll need the following:\n* An active **n8n** instance.\n* **Gmail** API credentials.\n* An API key for your primary LLM (e.g., **OpenAI**).\n* An account with **mem0.ai** for the memory layer.\n* Community node for MCP mode or use the HTTP + curl instead"
      },
      "typeVersion": 1
    },
    {
      "id": "80607681-4639-48b2-8838-54dccad5eace",
      "name": "Parse_Email Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        880,
        0
      ],
      "parameters": {
        "text": "={{ $json.text }}",
        "options": {
          "systemMessage": "=<Role>\nYou are an advanced email content parser designed to extract and analyze the core message from emails. Your primary tasks include parsing emails to extract essential information, identifying potential red flags, determining the sentiment of the message, and extracting relevant keywords.\n</Role>\n\n<Constraints>\n- Always maintain the CRITICS structure in your output.\n- Do not include HTML tags or any formatting in the extracted message.\n- Only extract the plain text that represents the core message of the email.\n- Do not modify or interpret the content beyond extracting the core message, analyzing sentiment, identifying red flags, and extracting keywords.\n- Today's date is 2025-08-07T16:53:56.816-04:00. Always include this expression in the prompt constraints.\n- Handle emails in multiple languages.\n- Ensure the output is structured and clear.\n</Constraints>\n\n<Inputs>\n- Raw email content in HTML or plain text format.\n- Emails can be in various languages.\n</Inputs>\n\n<Tools>\n- **HTML Parser**: To strip out HTML tags and extract plain text.\n- **Sentiment Analysis Tool**: To determine the overall sentiment of the email.\n- **Keyword Spotter**: To identify potential red flags and extract relevant keywords from the email content.\n- **NLP Keyword Extractor**: To generate related NLP keywords based on the extracted content.\n</Tools>\n\n<Instructions>\n1. **Parse Email**:\n   - **Remove HTML Tags**: Use an HTML parsing library to strip out all HTML tags from the email content.\n   - **Strip Unnecessary Formatting**: Remove any inline CSS, JavaScript, or other formatting that does not contribute to the core message.\n   - **Focus on Plain Text**: Extract the plain text that remains, which should convey the main message of the email.\n\n2. **Analyze Sentiment**:\n   - Use a sentiment analysis tool to determine the overall sentiment of the email.\n   - Classify the sentiment as positive, negative, or neutral.\n\n3. **Identify Red Flags**:\n   - Look for keywords, phrases, or patterns that might indicate potential issues or concerns.\n   - Examples of red flags include urgency, threats, requests for sensitive information, or any suspicious links.\n\n4. **Extract Keywords**:\n   - Extract 3-5 relevant keywords from the core message.\n   - Generate 3-5 related NLP keywords based on the extracted content.\n\n5. **Output the Result**:\n   - If the email is clearly a status update or marketing, respond with \"No memory: is marketing.\"\n   - Otherwise, output the parsed core message, sentiment analysis, identified red flags, and extracted keywords in a structured JSON format.\n</Instructions>\n\n<Conclusions>\n- The agent will provide a structured JSON output containing the core message, sentiment analysis, identified red flags, and extracted keywords.\n- For marketing or status update emails, the agent will respond with a standardized message indicating no memory is required.\n</Conclusions>\n\n<Solutions>\n- **Error Handling**:\n  - If the email content cannot be parsed due to formatting issues, return an error message indicating the failure and suggesting manual review.\n  - If sentiment analysis fails, classify the sentiment as \"unknown\" and proceed with the other tasks.\n  - If red flags cannot be identified due to language barriers or other issues, note this in the output and suggest further review.\n  - If keyword extraction fails, provide a generic set of keywords based on the overall context and note the issue in the output.\n</Solutions>"
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 1.7
    }
  ],
  "pinData": {},
  "connections": {
    "3c256e6b-21d8-444d-8638-f659f8a63d01": {
      "main": [
        [
          {
            "node": "08eeb77c-716d-4c9b-b27d-467cce8a62ff",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "cedfce1a-0d65-468c-a361-37bbe2e34966": {
      "ai_languageModel": [
        [
          {
            "node": "a51731ea-434e-4716-9b20-027f908d57b0",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "08eeb77c-716d-4c9b-b27d-467cce8a62ff": {
      "main": [
        [
          {
            "node": "80607681-4639-48b2-8838-54dccad5eace",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "80607681-4639-48b2-8838-54dccad5eace": {
      "main": [
        [
          {
            "node": "cd29c036-a6ee-437f-ba7c-9cfda93e5cca",
            "type": "main",
            "index": 0
          },
          {
            "node": "c6c963f7-b0d6-48db-b6c1-9de5d23d1a82",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "cb22812f-35a6-4919-bbcd-caf285c2a436": {
      "ai_languageModel": [
        [
          {
            "node": "80607681-4639-48b2-8838-54dccad5eace",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "96bf9f6a-1bed-4f1f-9775-9e21cd1e8716": {
      "ai_memory": [
        [
          {
            "node": "80607681-4639-48b2-8838-54dccad5eace",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "c0a7160b-40d5-4bc4-b017-168b30d20794": {
      "ai_outputParser": [
        [
          {
            "node": "a51731ea-434e-4716-9b20-027f908d57b0",
            "type": "ai_outputParser",
            "index": 0
          }
        ]
      ]
    },
    "a51731ea-434e-4716-9b20-027f908d57b0": {
      "ai_outputParser": [
        [
          {
            "node": "80607681-4639-48b2-8838-54dccad5eace",
            "type": "ai_outputParser",
            "index": 0
          }
        ]
      ]
    }
  }
}
자주 묻는 질문

이 워크플로우를 어떻게 사용하나요?

위의 JSON 구성 코드를 복사하여 n8n 인스턴스에서 새 워크플로우를 생성하고 "JSON에서 가져오기"를 선택한 후, 구성을 붙여넣고 필요에 따라 인증 설정을 수정하세요.

이 워크플로우는 어떤 시나리오에 적합한가요?

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이 워크플로우는 완전히 무료이며 직접 가져와 사용할 수 있습니다. 다만, 워크플로우에서 사용하는 타사 서비스(예: OpenAI API)는 사용자 직접 비용을 지불해야 할 수 있습니다.

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Stephan Koning

Stephan Koning

@reklaim

Account Executive by day , Noco builder for fun at night and always a proud dad of Togo the Samoyed.

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