n8n-workflows/workflows/Extract personal data with self-hosted LLM Mistral NeMo.json

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  },
  "name": "Extract personal data with a self-hosted LLM Mistral NeMo",
  "tags": [],
  "nodes": [
    {
      "id": "7e67ae65-88aa-4e48-aa63-2d3a4208cf4b",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
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      "webhookId": "3a7b0ea1-47f3-4a94-8ff2-f5e1f3d9dc32",
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      "name": "Ollama Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOllama",
      "position": [
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      ],
      "parameters": {
        "model": "mistral-nemo:latest",
        "options": {
          "useMLock": true,
          "keepAlive": "2h",
          "temperature": 0.1
        }
      },
      "credentials": {
        "ollamaApi": {
          "id": "vgKP7LGys9TXZ0KK",
          "name": "Ollama account"
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      "name": "Auto-fixing Output Parser",
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      "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:"
        }
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      "name": "Structured Output Parser",
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      "parameters": {
        "schemaType": "manual",
        "inputSchema": "{\n \"type\": \"object\",\n \"properties\": {\n \"name\": {\n \"type\": \"string\",\n \"description\": \"Name of the user\"\n },\n \"surname\": {\n \"type\": \"string\",\n \"description\": \"Surname of the user\"\n },\n \"commtype\": {\n \"type\": \"string\",\n \"enum\": [\"email\", \"phone\", \"other\"],\n \"description\": \"Method of communication\"\n },\n \"contacts\": {\n \"type\": \"string\",\n \"description\": \"Contact details. ONLY IF PROVIDED\"\n },\n \"timestamp\": {\n \"type\": \"string\",\n \"format\": \"date-time\",\n \"description\": \"When the communication occurred\"\n },\n \"subject\": {\n \"type\": \"string\",\n \"description\": \"Brief description of the communication topic\"\n }\n },\n \"required\": [\"name\", \"commtype\"]\n}"
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      "name": "Basic LLM Chain",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "onError": "continueErrorOutput",
      "position": [
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      ],
      "parameters": {
        "messages": {
          "messageValues": [
            {
              "message": "=Please analyse the incoming user request. Extract information according to the JSON schema. Today is: \"{{ $now.toISO() }}\""
            }
          ]
        },
        "hasOutputParser": true
      },
      "typeVersion": 1.5
    },
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      "type": "n8n-nodes-base.noOp",
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    },
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      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
        "color": 2,
        "width": 960,
        "height": 500,
        "content": "## Update data source\nWhen you change the data source, remember to update the `Prompt Source (User Message)` setting in the **Basic LLM Chain node**."
      },
      "typeVersion": 1
    },
    {
      "id": "5fd273c8-e61d-452b-8eac-8ac4b7fff6c2",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
        "color": 2,
        "width": 440,
        "height": 220,
        "content": "## Configure local LLM\nOllama offers additional settings \nto optimize model performance\nor memory usage."
      },
      "typeVersion": 1
    },
    {
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      "name": "Sticky Note2",
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      "position": [
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      ],
      "parameters": {
        "color": 2,
        "width": 400,
        "height": 220,
        "content": "## Define JSON Schema"
      },
      "typeVersion": 1
    },
    {
      "id": "9625294f-3cb4-4465-9dae-9976e0cf5053",
      "name": "Extract JSON Output",
      "type": "n8n-nodes-base.set",
      "position": [
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      "parameters": {
        "mode": "raw",
        "options": {},
        "jsonOutput": "={{ $json.output }}\n"
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    },
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      "position": [
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      ],
      "parameters": {
        "width": 960,
        "height": 120,
        "content": "If the LLM response does not pass \nthe **Structured Output Parser** checks,\n**Auto-Fixer** will call the model again with a different \nprompt to correct the original response."
      },
      "typeVersion": 1
    },
    {
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      "name": "Sticky Note6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -560,
        460
      ],
      "parameters": {
        "height": 80,
        "content": "The same LLM connects to both **Basic LLM Chain** and to the **Auto-fixing Output Parser**. \n"
      },
      "typeVersion": 1
    },
    {
      "id": "193dd153-8511-4326-aaae-47b89d0cd049",
      "name": "Sticky Note7",
      "type": "n8n-nodes-base.stickyNote",
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      ],
      "parameters": {
        "width": 200,
        "height": 100,
        "content": "When the LLM model responds, the output is checked in the **Structured Output Parser**"
      },
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    }
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  "active": false,
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  "settings": {
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      "main": [
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          {
            "node": "Extract JSON Output",
            "type": "main",
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          }
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          {
            "node": "On Error",
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          }
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      "ai_outputParser": [
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