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"name": "Find Workflow", "type": "integration", "params": { "limit": 1, "filters": { "conditions": [ { "keyName": "n8n_workflow_id", "keyValue": "={{ $json.n8n_workflow_id }}", "condition": "eq" } ] }, "service": "supabase", "tableId": "workflows", "operation": "getAll" }, "position": [ 1472, 320 ] }, { "id": "7ebe8c3b-abab-4172-8e8b-a9ee486d2f49", "name": "Workflow Exists?", "type": "if", "params": { "options": {}, "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "8b3411c2-a260-4ce2-a260-6dda83a9fac0", "operator": { "type": "boolean", "operation": "true", "singleValue": true }, "leftValue": "={{ $input.first().json.workflow_id !== undefined }}", "rightValue": 0 } ] } }, "position": [ 1696, 240 ] }, { "id": "60ca18c6-b6ec-4347-a76a-e0f55dc43814", "name": "Insert Error", "type": "integration", "params": { "service": "supabase", "tableId": "errors", "fieldsUi": { "fieldValues": [ { "fieldId": "workflow_id", "fieldValue": "={{ $('Find Workflow').item.json.workflow_id }}" }, { "fieldId": "error_message", "fieldValue": "={{ $('Structure Error Data').item.json.error_message }}" }, { "fieldId": "error_stack", "fieldValue": "={{ $('Structure Error Data').item.json.error_stack }}" }, { "fieldId": "failed_node", "fieldValue": "={{ $('Structure Error Data').item.json.failed_node }}" }, { "fieldId": "execution_id", "fieldValue": "={{ $('Structure Error Data').item.json.execution_id }}" }, { "fieldId": "execution_url", "fieldValue": "={{ $('Structure Error Data').item.json.execution_url }}" }, { "fieldId": "workflow_json", "fieldValue": "={{ $('Structure Error Data').item.json.workflow_json }}" }, { "fieldId": "execution_data", "fieldValue": "={{ $('Structure Error Data').item.json.execution_data }}" } ] }, "operation": "read" }, "position": [ 1920, 144 ] }, { "id": "0b99e408-3d1b-48f5-9ba8-d5836ddf00e9", "name": "Create Workflow", "type": "integration", "params": { "service": "supabase", "tableId": "workflows", "fieldsUi": { "fieldValues": [ { "fieldId": "n8n_workflow_id", "fieldValue": "={{ $('Structure Error Data').item.json.n8n_workflow_id }}" }, { "fieldId": "workflow_name", "fieldValue": "={{ $('Structure Error Data').item.json.workflow_name }}" } ] }, "operation": "read" }, "position": [ 1920, 336 ] }, { "id": "6c7c77be-3624-46c5-a731-f86b2014d747", "name": "AI Agent", "type": "llm", "params": { "text": "=STEP 1: Use Context7 to search n8n documentation for: {{ $('Structure Error Data').item.json.failed_node }} node and error: {{ $('Structure Error Data').item.json.error_message }}\n\nSTEP 2: Analyze this n8n workflow error and provide a fix:\n\nWorkflow: {{ $('Structure Error Data').item.json.workflow_name }}\nFailed Node: {{ $('Structure Error Data').item.json.failed_node }}\nError: {{ $('Structure Error Data').item.json.error_message }}\n\nStack Trace:\n{{ $('Structure Error Data').item.json.error_stack }}\n\n``` OPTIONAL\nFull Workflow Structure:\n{{ $('Structure Error Data').item.json.workflow_json }}\n\nFull Execution Data:\n{{ $('Structure Error Data').item.json.execution_data }}\n``` OPTIONAL\n\nProvide:\n1. Root cause (2 sentences max)\n2. Specific fix (1 action with field names in backticks) \n3. Prevention tip (1 sentence)\n\nKeep under 200 words.", "prompt": "=STEP 1: Use Context7 to search n8n documentation for: {{ $('Structure Error Data').item.json.failed_node }} node and error: {{ $('Structure Error Data').item.json.error_message }}\n\nSTEP 2: Analyze this n8n workflow error and provide a fix:\n\nWorkflow: {{ $('Structure Error Data').item.json.workflow_name }}\nFailed Node: {{ $('Structure Error Data').item.json.failed_node }}\nError: {{ $('Structure Error Data').item.json.error_message }}\n\nStack Trace:\n{{ $('Structure Error Data').item.json.error_stack }}\n\n``` OPTIONAL\nFull Workflow Structure:\n{{ $('Structure Error Data').item.json.workflow_json }}\n\nFull Execution Data:\n{{ $('Structure Error Data').item.json.execution_data }}\n``` OPTIONAL\n\nProvide:\n1. Root cause (2 sentences max)\n2. Specific fix (1 action with field names in backticks) \n3. Prevention tip (1 sentence)\n\nKeep under 200 words.", "options": { "systemMessage": "=You are an n8n debugging specialist. \n\nCritical: You MUST use the Context7 tool to search official n8n documentation before providing any analysis. \n\nDo not respond without consulting the documentation.\n\nAfter researching via Context7, provide:\n\nCause:\n[2 sentences explaining what happened]\n\nFix:\n[One specific action with field names in `backticks`]\n\nPrevention:\n[One tip to avoid this]\n\nKeep under 200 words total." }, "provider": "openai", "promptType": "define", "approximated": true, "systemMessage": "=You are an n8n debugging specialist. \n\nCritical: You MUST use the Context7 tool to search official n8n documentation before providing any analysis. \n\nDo not respond without consulting the documentation.\n\nAfter researching via Context7, provide:\n\nCause:\n[2 sentences explaining what happened]\n\nFix:\n[One specific action with field names in `backticks`]\n\nPrevention:\n[One tip to avoid this]\n\nKeep under 200 words total." }, "position": [ 2480, 240 ] }, { "id": "3d08e9fe-fd4c-4167-b741-94f639bb374c", "name": "OpenRouter", "type": "llm", "params": { "model": "anthropic/claude-sonnet-4", "options": { "maxTokens": 1000, "temperature": 0.3 }, "provider": "openai", "maxTokens": 1000, "temperature": 0.3 }, "position": [ 2480, 448 ] }, { "id": "1827da8b-9e2f-44ae-a51d-b39cb6591d0f", "name": "Context7", "type": "integration", "params": { "include": "selected", "options": { "timeout": 60000 }, "service": "mcp", "operation": "read", "endpointUrl": "https://mcp.context7.com/mcp", "includeTools": [ "resolve-library-id", "get-library-docs" ], "authentication": "headerAuth" }, "position": [ 2624, 448 ] }, { "id": "88590c63-17da-4955-8b70-39d1d7e51ee6", "name": "Save Analysis", "type": "integration", "params": { "filters": { "conditions": [ { "keyName": "error_id", "keyValue": "={{ $('Insert Error').item.json.error_id }}", "condition": "eq" } ] }, "service": "supabase", "tableId": "errors", "fieldsUi": { "fieldValues": [ { "fieldId": "ai_analysis", "fieldValue": "={{ $('AI Agent').item.json.output }}" } ] }, "operation": "update" }, "position": [ 2832, 240 ] }, { "id": "5dbf9eb2-e44b-47a0-8c77-eed45e88b07f", "name": "Format Notification", "type": "code", "params": { "jsCode": "const workflow = $('Find Workflow').item.json || $('Create Workflow').item.json;\nconst error = $('Insert Error').item.json;\nconst aiAnalysis = $('AI Agent').item.json.output;\n\nreturn [{\n json: { \n workflow_name: workflow.workflow_name,\n failed_node: error.failed_node,\n error_message: error.error_message.substring(0, 300),\n execution_url: error.execution_url,\n ai_analysis: aiAnalysis,\n error_id: error.error_id\n }\n}];" }, "position": [ 3168, 240 ] }, { "id": "315f1c62-c0bb-4ccf-8a1b-9aeafcc58a2a", "name": "Mark Notified", "type": "integration", "params": { "filters": { "conditions": [ { "keyName": "error_id", "keyValue": "={{ $('Insert Error').item.json.error_id }}", "condition": "eq" } ] }, "service": "supabase", "tableId": "errors", "fieldsUi": { "fieldValues": [ { "fieldId": "notified", "fieldValue": true } ] }, "operation": "update" }, "position": [ 3824, 240 ] }, { "id": "da434f3e-644a-423d-aba8-4e5c13998250", "name": "Workflow Error", "type": "trigger", "params": { "kind": "n8n-nodes-base.errorTrigger" }, "position": [ 464, 240 ] }, { "id": "eac72671-c9b9-4861-a519-d4e3738a5eac", "name": "Workflow Creation", "type": "passthrough", "params": { "mode": "noOp", "options": {} }, "position": [ 2144, 416 ] }, { "id": "c1905ec0-4323-4803-9b3d-3d7f79410a5f", "name": "Send Error Email", "type": "integration", "params": { "html": "={{ $json.html_body }}", "options": { "appendAttribution": false }, "service": "smtp", "subject": "=Workflow Error: {{ $json.workflow_name }}", "operation": "read" }, "position": [ 3600, 240 ] }, { "id": "5cbf6716-a734-4778-a760-bc5e615614ce", "name": "Update Statistics", "type": "integration", "params": { "filters": { "conditions": [ { "keyName": "workflow_id", "keyValue": "={{ $('Find Workflow').item.json.workflow_id }}", "condition": "eq" } ] }, "service": "supabase", "tableId": "workflows", "fieldsUi": { "fieldValues": [ { "fieldId": "error_count", "fieldValue": "={{ ($('Find Workflow').item.json.error_count || 0) + 1 }}" }, { "fieldId": "last_error_at", "fieldValue": "={{ $now.toISO() }}" } ] }, "operation": "update" }, "position": [ 2144, 144 ] }, { "id": "274a73ba-157b-40ad-856d-b09a181c2d94", "name": "Build HTML", "type": "code", "params": { "jsCode": "// Build Clean HTML Email\nconst data = $input.first().json;\n\n// Convert markdown bold to HTML and style section headers\nlet aiAnalysis = data.ai_analysis || '';\n\n// Remove AI preambles (multiple variations)\naiAnalysis = aiAnalysis.replace(/Based on (my research of )?the n8n documentation[,.]? I can now (provide the analysis|analyze your error)[:\\s]*/gi, '');\n\n// Replace **text** with text\naiAnalysis = aiAnalysis.replace(/\\*\\*(.+?)\\*\\*/g, '$1');\n\n// Convert ALL backticks to styled inline code\naiAnalysis = aiAnalysis.replace(/`+([^`]+?)`+/g, '$1');\n\n// Style section headers (both bold and plain)\nlet isFirstHeader = true;\naiAnalysis = aiAnalysis.replace(/(^|\\n)\\s*(?:)?(Root Cause|Cause|Fix|Prevention):(?:<\\/strong>)?/gim, function(match, prefix, header) {\n const margin = isFirstHeader ? '0 0 6px 0' : '24px 0 6px 0';\n isFirstHeader = false;\n return prefix + '
' + header + '
';\n});\n\n// Clean up any stray backticks\naiAnalysis = aiAnalysis.replace(/`/g, '');\n\nconst html = `\n\n\n\n \n \n\n\n \n \n \n \n \n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n
\n Workflow Error\n
\n
\n \n \n \n \n
\n
\n RAG Workflow\n
\n
\n
\n \n \n \n \n \n \n \n
\n
\n Failed Node\n
\n
\n ${data.failed_node}\n
\n
\n
\n Error Message\n
\n
\n ${data.error_message}\n
\n
\n
\n
\n
\n
${aiAnalysis}
\n
\n \n \n \n \n
\n \n View Execution Details\n \n
\n
\n
\n Error ID: ${data.error_id}\n
\n
\n \n
\n \n\n\n`;\n\nreturn [{\n json: {\n ...data,\n html_body: html\n }\n}];" }, "position": [ 3376, 240 ] }, { "id": "25b4a579-1918-4910-883d-638fd0549357", "name": "Structure Error Data", "type": "code", "params": { "jsCode": "const errorTrigger = $('Workflow Error').item.json;\nconst workflowData = $('Get Workflow').item.json;\nconst executionData = $('Get Execution').item.json;\n\nreturn [{\n json: {\n n8n_workflow_id: errorTrigger.workflow.id,\n workflow_name: errorTrigger.workflow.name,\n error_message: errorTrigger.execution.error.message || 'Unknown error',\n error_stack: errorTrigger.execution.error.stack || '',\n failed_node: errorTrigger.execution.lastNodeExecuted || 'Unknown',\n execution_id: errorTrigger.execution.id || 'manual',\n execution_url: errorTrigger.execution.url || '',\n workflow_json: JSON.stringify(workflowData),\n execution_data: JSON.stringify(executionData)\n }\n}];" }, "position": [ 1136, 240 ] } ] }

Error monitor: AI-powered resolution [Context7, Supabase]