{
  "name": "n8n Silent Workflow Check",
  "nodes": [
    {
      "parameters": {
        "content": "## Silent workflow check\n\nSet baseUrl and staleHours in Configuration. Select the same Header Auth credential on both HTTP nodes: X-N8N-API-KEY with your n8n API key. The schedule starts at 08:00 UTC.\n\nEach run reads at most 250 workflows and 250 executions. Inspect the returned findings and page-limit flags; an absent execution may be outside this window. No alert is sent. An outage of the hosting n8n instance also stops this schedule.",
        "height": 620,
        "width": 460
      },
      "id": "8f1c0a10-0000-4000-8000-000000000001",
      "name": "Read me",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        -460,
        -120
      ]
    },
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "0 8 * * *"
            }
          ]
        }
      },
      "id": "8f1c0a10-0000-4000-8000-000000000002",
      "name": "Every morning",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        40,
        100
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "a1",
              "name": "baseUrl",
              "value": "https://n8n.example.com",
              "type": "string"
            },
            {
              "id": "a2",
              "name": "staleHours",
              "value": 26,
              "type": "number"
            }
          ]
        },
        "options": {}
      },
      "id": "8f1c0a10-0000-4000-8000-000000000003",
      "name": "Configuration",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        260,
        100
      ]
    },
    {
      "parameters": {
        "url": "={{ $json.baseUrl }}/api/v1/workflows?limit=250",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "options": {}
      },
      "id": "8f1c0a10-0000-4000-8000-000000000004",
      "name": "Get workflows",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        480,
        100
      ]
    },
    {
      "parameters": {
        "url": "={{ $('Configuration').first().json.baseUrl }}/api/v1/executions?limit=250",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "options": {}
      },
      "id": "8f1c0a10-0000-4000-8000-000000000005",
      "name": "Get executions",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        700,
        100
      ]
    },
    {
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "function findSilent({workflows, executions, staleHours, now, workflowCursor, executionCursor}) {\n  if (!Array.isArray(workflows) || !Array.isArray(executions)) throw new Error('Workflow and execution pages must be arrays');\n  if (!Number.isFinite(staleHours) || staleHours <= 0) throw new Error('staleHours must be a positive number');\n  const timestamp = new Date(now).getTime();\n  if (!Number.isFinite(timestamp)) throw new Error('now must be a valid timestamp');\n  const active = workflows.filter(workflow => workflow.active && !workflow.isArchived);\n  const latest = new Map();\n  for (const execution of executions) {\n    const id = String(execution.workflowId);\n    const started = new Date(execution.startedAt || execution.createdAt).getTime();\n    if (!Number.isFinite(started)) continue;\n    if (!latest.has(id) || started > latest.get(id)) latest.set(id, started);\n  }\n  const threshold = timestamp - staleHours * 3600000;\n  const findings = [];\n  for (const workflow of active) {\n    const last = latest.get(String(workflow.id));\n    if (last === undefined) findings.push({ workflow: workflow.name, workflowId: workflow.id, lastRun: null, hoursSilent: null, note: 'no execution in the window' });\n    else if (last < threshold) findings.push({ workflow: workflow.name, workflowId: workflow.id, lastRun: new Date(last).toISOString(), hoursSilent: Math.round((timestamp - last) / 3600000), note: 'active but stalled' });\n  }\n  return { silent: findings.length, activeChecked: active.length, findings, workflowPageLimited: Boolean(workflowCursor), executionPageLimited: Boolean(executionCursor) };\n}\n\nconst workflowPage=$('Get workflows').first().json;\nconst executionPage=$('Get executions').first().json;\nreturn [{json:findSilent({workflows:workflowPage.data ?? [],executions:executionPage.data ?? [],staleHours:Number($('Configuration').first().json.staleHours),now:$now.toISO(),workflowCursor:workflowPage.nextCursor ?? null,executionCursor:executionPage.nextCursor ?? null})}];\n"
      },
      "id": "8f1c0a10-0000-4000-8000-000000000006",
      "name": "Find silent workflows",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        920,
        100
      ]
    }
  ],
  "connections": {
    "Every morning": {
      "main": [
        [
          {
            "node": "Configuration",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Configuration": {
      "main": [
        [
          {
            "node": "Get workflows",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get workflows": {
      "main": [
        [
          {
            "node": "Get executions",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get executions": {
      "main": [
        [
          {
            "node": "Find silent workflows",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1",
    "timezone": "UTC"
  },
  "pinData": {},
  "active": false
}