{
  "name": "Broken Link (404) Monitor (Cylvox)",
  "nodes": [
    {
      "parameters": {"rule": {"interval": [{"field": "days", "daysInterval": 1, "triggerAtHour": 6}]}},
      "id": "b1000000-0000-4000-8000-000000000001",
      "name": "Daily Schedule",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [-440, 0]
    },
    {
      "parameters": {
        "url": "https://REPLACE_WITH_YOUR_DOMAIN.com/sitemap.xml",
        "options": {"response": {"response": {"responseFormat": "text"}}}
      },
      "id": "b1000000-0000-4000-8000-000000000002",
      "name": "Fetch Sitemap",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [-220, 0]
    },
    {
      "parameters": {
        "jsMode": "runOnceForAllItems",
        "jsCode": "const xml = items[0].json.data || items[0].json.body || items[0].json;\nconst text = typeof xml === 'string' ? xml : JSON.stringify(xml);\nconst matches = [...text.matchAll(/<loc>(.*?)<\\/loc>/g)].map(m => m[1]);\nreturn matches.map(url => ({ json: { url } }));"
      },
      "id": "b1000000-0000-4000-8000-000000000003",
      "name": "Extract URLs from Sitemap",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [0, 0]
    },
    {
      "parameters": {
        "method": "GET",
        "url": "={{ $json.url }}",
        "options": {
          "response": {"response": {"neverError": true, "fullResponse": true}},
          "batching": {"batch": {"batchSize": 5, "batchInterval": 1000}},
          "timeout": 10000
        }
      },
      "id": "b1000000-0000-4000-8000-000000000004",
      "name": "Check URL Status",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [220, 0]
    },
    {
      "parameters": {
        "conditions": {
          "options": {"caseSensitive": true, "leftValue": "", "typeValidation": "loose"},
          "conditions": [{"id": "c1", "leftValue": "={{ $json.statusCode }}", "rightValue": 400, "operator": {"type": "number", "operation": "gte"}}],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "b1000000-0000-4000-8000-000000000005",
      "name": "Is Broken (>=400)?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [440, 0]
    },
    {
      "parameters": {
        "assignments": {"assignments": [
          {"id": "g1", "name": "brokenUrl", "type": "string", "value": "={{ $('Check URL Status').item.json.request?.url || $json.url }}"},
          {"id": "g2", "name": "status", "type": "number", "value": "={{ $json.statusCode }}"}
        ]},
        "options": {}
      },
      "id": "b1000000-0000-4000-8000-000000000006",
      "name": "Format Broken Item",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [660, -100]
    },
    {
      "parameters": {},
      "id": "b1000000-0000-4000-8000-000000000007",
      "name": "OK - No Action",
      "type": "n8n-nodes-base.noOp",
      "typeVersion": 1,
      "position": [660, 100]
    },
    {
      "parameters": {"aggregate": "aggregateAllItemData", "options": {}},
      "id": "b1000000-0000-4000-8000-000000000008",
      "name": "Aggregate Broken Links",
      "type": "n8n-nodes-base.aggregate",
      "typeVersion": 1,
      "position": [880, -100]
    },
    {
      "parameters": {
        "conditions": {
          "options": {"caseSensitive": true, "leftValue": "", "typeValidation": "loose"},
          "conditions": [{"id": "c2", "leftValue": "={{ $json.data.length }}", "rightValue": 0, "operator": {"type": "number", "operation": "gt"}}],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "b1000000-0000-4000-8000-000000000009",
      "name": "Has Broken Links?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [1100, -100]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "REPLACE_WITH_YOUR_SLACK_WEBHOOK_URL",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"text\": \"🔗 Broken link check found {{ $json.data.length }} broken URL(s):\\n{{ $json.data.map(d => `• ${d.brokenUrl} (${d.status})`).join('\\n') }}\"\n}",
        "options": {}
      },
      "id": "b1000000-0000-4000-8000-00000000000a",
      "name": "Send Slack Alert",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [1320, -100]
    }
  ],
  "connections": {
    "Daily Schedule": {"main": [[{"node": "Fetch Sitemap", "type": "main", "index": 0}]]},
    "Fetch Sitemap": {"main": [[{"node": "Extract URLs from Sitemap", "type": "main", "index": 0}]]},
    "Extract URLs from Sitemap": {"main": [[{"node": "Check URL Status", "type": "main", "index": 0}]]},
    "Check URL Status": {"main": [[{"node": "Is Broken (>=400)?", "type": "main", "index": 0}]]},
    "Is Broken (>=400)?": {"main": [[{"node": "Format Broken Item", "type": "main", "index": 0}], [{"node": "OK - No Action", "type": "main", "index": 0}]]},
    "Format Broken Item": {"main": [[{"node": "Aggregate Broken Links", "type": "main", "index": 0}]]},
    "Aggregate Broken Links": {"main": [[{"node": "Has Broken Links?", "type": "main", "index": 0}]]},
    "Has Broken Links?": {"main": [[{"node": "Send Slack Alert", "type": "main", "index": 0}]]}
  },
  "pinData": {},
  "meta": {"templateCredsSetupCompleted": false}
}