{ "updatedAt": "2026-05-22T21:51:06.493Z", "createdAt": "2026-05-10T02:25:40.618Z", "id": "BLJVcnMRNMdswJQN", "name": "n8n Self-Health Monitor", "description": null, "active": true, "isArchived": false, "nodes": [ { "parameters": { "rule": { "interval": [ { "field": "minutes", "minutesInterval": 15 } ] } }, "id": "53bd1074-cb61-4c5e-80ec-625ef9310ea2", "name": "Every 15 Minutes", "type": "n8n-nodes-base.scheduleTrigger", "typeVersion": 1.2, "position": [ 0, 0 ] }, { "parameters": { "method": "GET", "url": "http://10.5.30.6:5678/api/v1/executions", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "X-N8N-API-KEY", "value": "={{ $env.N8N_API_KEY }}" } ] }, "sendQuery": true, "queryParameters": { "parameters": [ { "name": "status", "value": "error" }, { "name": "includeData", "value": "false" }, { "name": "limit", "value": "50" } ] }, "options": {} }, "id": "ce33dd4c-6a76-4a65-9f61-55e2d2b64148", "name": "Fetch Failed Executions", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 224, 0 ] }, { "parameters": { "jsCode": "const data = $input.first().json;\nconst executions = data.data || [];\nconst oneHourAgo = Date.now() - (60 * 60 * 1000);\n\n// Filter to failures in the past hour\nconst recent = executions.filter(e => {\n const ts = new Date(e.startedAt || e.stoppedAt || 0).getTime();\n return ts >= oneHourAgo;\n});\n\n// Group by workflow name + error message for dedup key\nconst failures = recent.map(e => ({\n executionId: e.id,\n workflowId: e.workflowId,\n workflowName: e.workflowData?.name || `Workflow ${e.workflowId}`,\n startedAt: e.startedAt,\n stoppedAt: e.stoppedAt,\n errorMessage: e.data?.resultData?.error?.message || 'Unknown error'\n}));\n\n// Deduplicate by workflowName (report once per workflow per check)\nconst seen = new Set();\nconst unique = failures.filter(f => {\n if (seen.has(f.workflowName)) return false;\n seen.add(f.workflowName);\n return true;\n});\n\nreturn [{ json: { hasFailures: unique.length > 0, count: unique.length, failures: unique } }];" }, "id": "83b9a030-b10c-4a59-a8d0-a632b4cfe5d2", "name": "Filter Recent Failures", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 448, 0 ] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict" }, "conditions": [ { "id": "a76d10a7-1313-467e-9648-471b296229a3", "leftValue": "={{ $json.hasFailures }}", "rightValue": true, "operator": { "type": "boolean", "operation": "equal" } } ], "combinator": "and" } }, "id": "fea1e46a-e3af-4d60-9f21-a79593fdef71", "name": "Has Failures?", "type": "n8n-nodes-base.if", "typeVersion": 2.2, "position": [ 672, 0 ] }, { "parameters": { "jsCode": "const d = $input.first().json;\n// Fingerprint = sorted workflow names joined — stable across retriggers\nconst fingerprint = (d.failures || [])\n .map(f => f.workflowName)\n .sort()\n .join('|') || 'unknown';\nreturn [{ json: { ...d, fingerprint } }];" }, "id": "cf9ad5c7-163c-4f06-8300-48499e70072c", "name": "Build Fingerprint", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 896, -120 ] }, { "parameters": { "operation": "executeQuery", "query": "SELECT fingerprint, last_seen FROM n8n_health_dedup WHERE fingerprint = '{{ $json.fingerprint }}' AND last_seen > NOW() - INTERVAL '1 hour' LIMIT 1;", "options": {} }, "id": "faef0ff7-e592-463d-9f98-460591038799", "name": "Lookup Dedup", "type": "n8n-nodes-base.postgres", "typeVersion": 2.5, "position": [ 1120, -120 ], "credentials": { "postgres": { "id": "n9svoXemqSZoNNUB", "name": "Postgres account" } }, "continueOnFail": true }, { "parameters": { "jsCode": "const alertData = $('Build Fingerprint').first().json;\nconst rows = $input.all().filter(r => r.json && r.json.fingerprint);\nconst alreadyNotified = rows.length > 0;\nreturn [{ json: { ...alertData, alreadyNotified, shouldNotify: !alreadyNotified } }];" }, "id": "1fdb0262-7d45-4f30-8dd4-2445ab569df1", "name": "Check Already Notified", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 1344, -120 ] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict" }, "conditions": [ { "id": "b1e77af5-6875-47dd-97af-8e13958a7217", "leftValue": "={{ $json.shouldNotify }}", "rightValue": true, "operator": { "type": "boolean", "operation": "equal" } } ], "combinator": "and" } }, "id": "258f7606-5252-4e78-8398-89970d5cea74", "name": "Should Notify?", "type": "n8n-nodes-base.if", "typeVersion": 2.2, "position": [ 1568, -120 ] }, { "parameters": { "operation": "executeQuery", "query": "INSERT INTO n8n_health_dedup (fingerprint, last_seen, workflow_names) VALUES ('{{ $json.fingerprint }}', NOW(), '{{ $json.failures.map(f => f.workflowName).join(\", \") }}') ON CONFLICT (fingerprint) DO UPDATE SET last_seen = NOW(), workflow_names = EXCLUDED.workflow_names;", "options": {} }, "id": "dc7c3c90-1cb0-4b3f-b462-58401411e976", "name": "Upsert Dedup Record", "type": "n8n-nodes-base.postgres", "typeVersion": 2.5, "position": [ 1792, -120 ], "credentials": { "postgres": { "id": "n9svoXemqSZoNNUB", "name": "Postgres account" } } }, { "parameters": { "jsCode": "const d = $('Build Fingerprint').first().json;\nconst lines = (d.failures || []).map(f =>\n ` • ${f.workflowName}\\n ${f.errorMessage.substring(0, 120)}`\n);\nconst body = `${d.count} workflow${d.count !== 1 ? 's' : ''} failed in the past hour:\\n\\n${lines.join('\\n')}\\n\\nhttps://n8n.paccoco.com`;\nreturn [{ json: { title: `⚠️ n8n: ${d.count} Workflow Failure${d.count !== 1 ? 's' : ''}`, message: body, priority: 7 } }];" }, "id": "7d040998-67c2-4888-937c-6d82e41056d1", "name": "Format Notification", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 2016, -120 ] }, { "parameters": { "message": "={{ $json.message }}", "additionalFields": { "priority": "={{ $json.priority }}", "title": "={{ $json.title }}" }, "options": { "contentType": "text/plain" } }, "id": "2569776a-c0a8-48cb-8615-af95daf53292", "name": "Push to Gotify", "type": "n8n-nodes-base.gotify", "typeVersion": 1, "position": [ 2240, -120 ], "credentials": { "gotifyApi": { "id": "mMegDxfmMUfbOrnF", "name": "n8n Health" } } } ], "connections": { "Every 15 Minutes": { "main": [ [ { "node": "Fetch Failed Executions", "type": "main", "index": 0 } ] ] }, "Fetch Failed Executions": { "main": [ [ { "node": "Filter Recent Failures", "type": "main", "index": 0 } ] ] }, "Filter Recent Failures": { "main": [ [ { "node": "Has Failures?", "type": "main", "index": 0 } ] ] }, "Has Failures?": { "main": [ [ { "node": "Build Fingerprint", "type": "main", "index": 0 } ], [] ] }, "Build Fingerprint": { "main": [ [ { "node": "Lookup Dedup", "type": "main", "index": 0 } ] ] }, "Lookup Dedup": { "main": [ [ { "node": "Check Already Notified", "type": "main", "index": 0 } ] ] }, "Check Already Notified": { "main": [ [ { "node": "Should Notify?", "type": "main", "index": 0 } ] ] }, "Should Notify?": { "main": [ [ { "node": "Upsert Dedup Record", "type": "main", "index": 0 } ], [] ] }, "Upsert Dedup Record": { "main": [ [ { "node": "Format Notification", "type": "main", "index": 0 } ] ] }, "Format Notification": { "main": [ [ { "node": "Push to Gotify", "type": "main", "index": 0 } ] ] } }, "settings": { "executionOrder": "v1", "binaryMode": "separate" }, "staticData": { "node:Every 15 Minutes": { "recurrenceRules": [] } }, "meta": { "templateCredsSetupCompleted": true }, "pinData": {}, "versionId": "8cf46654-a773-4921-8745-3169eb7709f3", "activeVersionId": "8cf46654-a773-4921-8745-3169eb7709f3", "versionCounter": 31, "triggerCount": 1, "shared": [ { "updatedAt": "2026-05-10T02:25:40.618Z", "createdAt": "2026-05-10T02:25:40.618Z", "role": "workflow:owner", "workflowId": "BLJVcnMRNMdswJQN", "projectId": "dxCRnBdX5uJizCGa", "project": { "updatedAt": "2026-05-06T01:10:37.484Z", "createdAt": "2026-05-06T01:08:07.721Z", "id": "dxCRnBdX5uJizCGa", "name": "Wilfred Fizzlepoof ", "type": "personal", "icon": null, "description": null, "creatorId": "47b2227f-2fc2-4a08-bd35-ea157b92df0d" } } ], "tags": [ { "updatedAt": "2026-05-06T22:38:51.660Z", "createdAt": "2026-05-06T22:38:51.660Z", "id": "0ETpkL5jJ5wwgt8k", "name": "monitoring" }, { "updatedAt": "2026-05-09T18:01:37.295Z", "createdAt": "2026-05-09T18:01:37.295Z", "id": "PYzt74cSdu6cC6P1", "name": "scheduled" }, { "updatedAt": "2026-05-09T18:02:26.263Z", "createdAt": "2026-05-09T18:02:26.263Z", "id": "t3Vz8xsWhwxAXMRx", "name": "n8n" } ], "activeVersion": { "updatedAt": "2026-05-22T21:51:06.496Z", "createdAt": "2026-05-22T21:51:06.496Z", "versionId": "8cf46654-a773-4921-8745-3169eb7709f3", "workflowId": "BLJVcnMRNMdswJQN", "nodes": [ { "parameters": { "rule": { "interval": [ { "field": "minutes", "minutesInterval": 15 } ] } }, "id": "53bd1074-cb61-4c5e-80ec-625ef9310ea2", "name": "Every 15 Minutes", "type": "n8n-nodes-base.scheduleTrigger", "typeVersion": 1.2, "position": [ 0, 0 ] }, { "parameters": { "method": "GET", "url": "http://10.5.30.6:5678/api/v1/executions", "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "X-N8N-API-KEY", "value": "={{ $env.N8N_API_KEY }}" } ] }, "sendQuery": true, "queryParameters": { "parameters": [ { "name": "status", "value": "error" }, { "name": "includeData", "value": "false" }, { "name": "limit", "value": "50" } ] }, "options": {} }, "id": "ce33dd4c-6a76-4a65-9f61-55e2d2b64148", "name": "Fetch Failed Executions", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 224, 0 ] }, { "parameters": { "jsCode": "const data = $input.first().json;\nconst executions = data.data || [];\nconst oneHourAgo = Date.now() - (60 * 60 * 1000);\n\n// Filter to failures in the past hour\nconst recent = executions.filter(e => {\n const ts = new Date(e.startedAt || e.stoppedAt || 0).getTime();\n return ts >= oneHourAgo;\n});\n\n// Group by workflow name + error message for dedup key\nconst failures = recent.map(e => ({\n executionId: e.id,\n workflowId: e.workflowId,\n workflowName: e.workflowData?.name || `Workflow ${e.workflowId}`,\n startedAt: e.startedAt,\n stoppedAt: e.stoppedAt,\n errorMessage: e.data?.resultData?.error?.message || 'Unknown error'\n}));\n\n// Deduplicate by workflowName (report once per workflow per check)\nconst seen = new Set();\nconst unique = failures.filter(f => {\n if (seen.has(f.workflowName)) return false;\n seen.add(f.workflowName);\n return true;\n});\n\nreturn [{ json: { hasFailures: unique.length > 0, count: unique.length, failures: unique } }];" }, "id": "83b9a030-b10c-4a59-a8d0-a632b4cfe5d2", "name": "Filter Recent Failures", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 448, 0 ] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict" }, "conditions": [ { "id": "a76d10a7-1313-467e-9648-471b296229a3", "leftValue": "={{ $json.hasFailures }}", "rightValue": true, "operator": { "type": "boolean", "operation": "equal" } } ], "combinator": "and" } }, "id": "fea1e46a-e3af-4d60-9f21-a79593fdef71", "name": "Has Failures?", "type": "n8n-nodes-base.if", "typeVersion": 2.2, "position": [ 672, 0 ] }, { "parameters": { "jsCode": "const d = $input.first().json;\n// Fingerprint = sorted workflow names joined — stable across retriggers\nconst fingerprint = (d.failures || [])\n .map(f => f.workflowName)\n .sort()\n .join('|') || 'unknown';\nreturn [{ json: { ...d, fingerprint } }];" }, "id": "cf9ad5c7-163c-4f06-8300-48499e70072c", "name": "Build Fingerprint", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 896, -120 ] }, { "parameters": { "operation": "executeQuery", "query": "SELECT fingerprint, last_seen FROM n8n_health_dedup WHERE fingerprint = '{{ $json.fingerprint }}' AND last_seen > NOW() - INTERVAL '1 hour' LIMIT 1;", "options": {} }, "id": "faef0ff7-e592-463d-9f98-460591038799", "name": "Lookup Dedup", "type": "n8n-nodes-base.postgres", "typeVersion": 2.5, "position": [ 1120, -120 ], "credentials": { "postgres": { "id": "n9svoXemqSZoNNUB", "name": "Postgres account" } }, "continueOnFail": true }, { "parameters": { "jsCode": "const alertData = $('Build Fingerprint').first().json;\nconst rows = $input.all().filter(r => r.json && r.json.fingerprint);\nconst alreadyNotified = rows.length > 0;\nreturn [{ json: { ...alertData, alreadyNotified, shouldNotify: !alreadyNotified } }];" }, "id": "1fdb0262-7d45-4f30-8dd4-2445ab569df1", "name": "Check Already Notified", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 1344, -120 ] }, { "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict" }, "conditions": [ { "id": "b1e77af5-6875-47dd-97af-8e13958a7217", "leftValue": "={{ $json.shouldNotify }}", "rightValue": true, "operator": { "type": "boolean", "operation": "equal" } } ], "combinator": "and" } }, "id": "258f7606-5252-4e78-8398-89970d5cea74", "name": "Should Notify?", "type": "n8n-nodes-base.if", "typeVersion": 2.2, "position": [ 1568, -120 ] }, { "parameters": { "operation": "executeQuery", "query": "INSERT INTO n8n_health_dedup (fingerprint, last_seen, workflow_names) VALUES ('{{ $json.fingerprint }}', NOW(), '{{ $json.failures.map(f => f.workflowName).join(\", \") }}') ON CONFLICT (fingerprint) DO UPDATE SET last_seen = NOW(), workflow_names = EXCLUDED.workflow_names;", "options": {} }, "id": "dc7c3c90-1cb0-4b3f-b462-58401411e976", "name": "Upsert Dedup Record", "type": "n8n-nodes-base.postgres", "typeVersion": 2.5, "position": [ 1792, -120 ], "credentials": { "postgres": { "id": "n9svoXemqSZoNNUB", "name": "Postgres account" } } }, { "parameters": { "jsCode": "const d = $('Build Fingerprint').first().json;\nconst lines = (d.failures || []).map(f =>\n ` • ${f.workflowName}\\n ${f.errorMessage.substring(0, 120)}`\n);\nconst body = `${d.count} workflow${d.count !== 1 ? 's' : ''} failed in the past hour:\\n\\n${lines.join('\\n')}\\n\\nhttps://n8n.paccoco.com`;\nreturn [{ json: { title: `⚠️ n8n: ${d.count} Workflow Failure${d.count !== 1 ? 's' : ''}`, message: body, priority: 7 } }];" }, "id": "7d040998-67c2-4888-937c-6d82e41056d1", "name": "Format Notification", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 2016, -120 ] }, { "parameters": { "message": "={{ $json.message }}", "additionalFields": { "priority": "={{ $json.priority }}", "title": "={{ $json.title }}" }, "options": { "contentType": "text/plain" } }, "id": "2569776a-c0a8-48cb-8615-af95daf53292", "name": "Push to Gotify", "type": "n8n-nodes-base.gotify", "typeVersion": 1, "position": [ 2240, -120 ], "credentials": { "gotifyApi": { "id": "mMegDxfmMUfbOrnF", "name": "n8n Health" } } } ], "connections": { "Every 15 Minutes": { "main": [ [ { "node": "Fetch Failed Executions", "type": "main", "index": 0 } ] ] }, "Fetch Failed Executions": { "main": [ [ { "node": "Filter Recent Failures", "type": "main", "index": 0 } ] ] }, "Filter Recent Failures": { "main": [ [ { "node": "Has Failures?", "type": "main", "index": 0 } ] ] }, "Has Failures?": { "main": [ [ { "node": "Build Fingerprint", "type": "main", "index": 0 } ], [] ] }, "Build Fingerprint": { "main": [ [ { "node": "Lookup Dedup", "type": "main", "index": 0 } ] ] }, "Lookup Dedup": { "main": [ [ { "node": "Check Already Notified", "type": "main", "index": 0 } ] ] }, "Check Already Notified": { "main": [ [ { "node": "Should Notify?", "type": "main", "index": 0 } ] ] }, "Should Notify?": { "main": [ [ { "node": "Upsert Dedup Record", "type": "main", "index": 0 } ], [] ] }, "Upsert Dedup Record": { "main": [ [ { "node": "Format Notification", "type": "main", "index": 0 } ] ] }, "Format Notification": { "main": [ [ { "node": "Push to Gotify", "type": "main", "index": 0 } ] ] } }, "authors": "Wilfred Fizzlepoof", "name": null, "description": null, "autosaved": false, "workflowPublishHistory": [ { "createdAt": "2026-05-22T21:51:07.244Z", "id": 317, "workflowId": "BLJVcnMRNMdswJQN", "versionId": "8cf46654-a773-4921-8745-3169eb7709f3", "event": "deactivated", "userId": "47b2227f-2fc2-4a08-bd35-ea157b92df0d" }, { "createdAt": "2026-05-22T21:51:07.263Z", "id": 318, "workflowId": "BLJVcnMRNMdswJQN", "versionId": "8cf46654-a773-4921-8745-3169eb7709f3", "event": "activated", "userId": "47b2227f-2fc2-4a08-bd35-ea157b92df0d" } ] } }