{ "name": "AI Competitor Page Monitor", "nodes": [ { "id": "bf6a9167-d1d1-4d1d-9d1d-000000000001", "name": "Daily Check 9AM", "type": "n8n-nodes-base.scheduleTrigger", "typeVersion": 1.3, "position": [ 0, 0 ], "parameters": { "rule": { "interval": [ { "triggerAtHour": 9 } ] } } }, { "id": "bf6a9167-d2d2-4d2d-9d2d-000000000002", "name": "Competitor URLs", "type": "n8n-nodes-base.set", "typeVersion": 3.4, "position": [ 232, 0 ], "parameters": { "assignments": { "assignments": [ { "name": "urls", "value": "[\"https://openai.com/pricing\", \"https://www.anthropic.com/pricing\"]", "type": "string" } ] }, "options": {} } }, { "id": "bf6a9167-d3d3-4d3d-9d3d-000000000003", "name": "Fan Out URLs", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 472, 0 ], "parameters": { "jsCode": "const urls = JSON.parse($input.first().json.urls);\nreturn urls.map(url => ({ json: { url } }));" } }, { "id": "bf6a9167-d4d4-4d4d-9d4d-000000000004", "name": "Fetch Page", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.4, "position": [ 712, 0 ], "parameters": { "url": "={{ $json.url }}", "options": { "response": { "response": { "responseFormat": "text", "neverError": true } }, "timeout": 20000, "redirect": { "redirect": { "followRedirects": true } } }, "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "User-Agent", "value": "Mozilla/5.0 (compatible; n8n-competitor-monitor/1.0)" } ] } } }, { "id": "bf6a9167-d5d5-4d5d-9d5d-000000000005", "name": "Diff vs Last Snapshot", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 952, 0 ], "parameters": { "jsCode": "const crypto = require('crypto');\nconst html = $input.first().json.data || $input.first().json.body || '';\nconst url = $input.first().json.url || $input.first().json.request?.url || '';\n\n// Extract just the 'meaningful' text \u2014 strips nav/footer noise that changes every render\nconst stripped = html\n .replace(/]*>[\\s\\S]*?<\\/script>/gi, ' ')\n .replace(/]*>[\\s\\S]*?<\\/style>/gi, ' ')\n .replace(/]*>[\\s\\S]*?<\\/nav>/gi, ' ')\n .replace(/]*>[\\s\\S]*?<\\/footer>/gi, ' ')\n .replace(/]*>[\\s\\S]*?<\\/header>/gi, ' ')\n .replace(/<[^>]+>/g, ' ')\n .replace(/\\s+/g, ' ')\n .trim();\n\nconst currentHash = crypto.createHash('sha1').update(stripped).digest('hex');\n\n// n8n persists staticData across workflow runs (production)\nconst wfStatic = $getWorkflowStaticData('global');\nwfStatic.snapshots = wfStatic.snapshots || {};\nconst prev = wfStatic.snapshots[url] || null;\nconst prevHash = prev?.hash;\nconst prevText = prev?.text || '';\n\nconst changed = !prevHash || prevHash !== currentHash;\n\n// Compute a rough diff: new lines vs old lines\nconst toLines = t => t.split(/(?<=[.!?])\\s+/).filter(l => l.length > 30);\nconst newLines = new Set(toLines(stripped));\nconst oldLines = new Set(toLines(prevText));\nconst added = [...newLines].filter(l => !oldLines.has(l)).slice(0, 12);\nconst removed = [...oldLines].filter(l => !newLines.has(l)).slice(0, 12);\n\n// Persist new snapshot for next run (cap stored text to 20k chars)\nwfStatic.snapshots[url] = { hash: currentHash, text: stripped.slice(0, 20000), capturedAt: new Date().toISOString() };\n\nreturn [{ json: {\n url,\n changed,\n isFirstRun: !prevHash,\n hashPrev: prevHash || null,\n hashCurr: currentHash,\n addedLines: added,\n removedLines: removed,\n fullTextNew: stripped.slice(0, 6000)\n}}];" } }, { "id": "bf6a9167-d6d6-4d6d-9d6d-000000000006", "name": "If Changed", "type": "n8n-nodes-base.if", "typeVersion": 2.2, "position": [ 1192, 0 ], "parameters": { "conditions": { "options": { "caseSensitive": true, "leftValue": "", "typeValidation": "strict" }, "conditions": [ { "id": "1", "leftValue": "={{ $json.changed && !$json.isFirstRun }}", "rightValue": true, "operator": { "type": "boolean", "operation": "true", "singleValue": true } } ], "combinator": "and" }, "options": {} } }, { "id": "bf6a9167-d7d7-4d7d-9d7d-000000000007", "name": "Summarize the Change", "type": "@n8n/n8n-nodes-langchain.chainLlm", "typeVersion": 1.5, "position": [ 1432, -120 ], "parameters": { "promptType": "define", "text": "=You are a competitive-intelligence analyst. A competitor's page changed overnight. Summarize what is materially different, based strictly on the added/removed sentences below. Do not speculate beyond what is shown.\n\nPAGE: {{ $json.url }}\n\nADDED SENTENCES:\n{{ ($json.addedLines || []).map((l,i) => '+ ' + l).join('\\n') }}\n\nREMOVED SENTENCES:\n{{ ($json.removedLines || []).map((l,i) => '- ' + l).join('\\n') }}\n\nRULES\n- Output a punchy 3-5 bullet Slack message.\n- Lead with the most commercially-interesting change (pricing, feature, tier, customer, policy).\n- Call out specific numbers, tier names, or feature names when they appear in the diff.\n- If the change is cosmetic/copy-only, say that in one line and stop. Don't dress up filler.\n- No preamble. No \"As an AI...\". No hashtags.", "messages": { "messageValues": [] }, "batching": {} } }, { "id": "bf6a9167-d8d8-4d8d-9d8d-000000000008", "name": "OpenAI Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "typeVersion": 1.3, "position": [ 1368, 104 ], "parameters": { "model": { "__rl": true, "mode": "list", "value": "gpt-5-mini" }, "options": {} } }, { "id": "bf6a9167-d9d9-4d9d-9d9d-000000000009", "name": "Format Alert", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 1672, -120 ], "parameters": { "jsCode": "const url = $('Diff vs Last Snapshot').item.json.url;\nconst summary = ($input.first().json.text || $input.first().json.output || '').trim();\nconst addedCount = ($('Diff vs Last Snapshot').item.json.addedLines || []).length;\nconst removedCount = ($('Diff vs Last Snapshot').item.json.removedLines || []).length;\n\nconst blocks = [\n { type: 'header', text: { type: 'plain_text', text: '\ud83d\udea8 Competitor page changed' } },\n { type: 'section', fields: [\n { type: 'mrkdwn', text: `*Page:*\\n<${url}|${url}>` },\n { type: 'mrkdwn', text: `*Diff:*\\n+${addedCount} new, -${removedCount} removed` }\n ]},\n { type: 'divider' },\n { type: 'section', text: { type: 'mrkdwn', text: summary || '_no summary_' } },\n { type: 'context', elements: [{ type: 'mrkdwn', text: `_Detected ${new Date().toISOString()} \u00b7 n8n Competitor Monitor_` }] }\n];\nreturn [{ json: { text: '\ud83d\udea8 Competitor page changed \u2014 see details', blocks } }];" } }, { "id": "bf6a9167-dada-4dad-9dad-00000000000a", "name": "Post to Slack", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.4, "position": [ 1912, -120 ], "parameters": { "method": "POST", "url": "https://hooks.slack.com/services/REPLACE/WITH/YOUR_WEBHOOK", "sendBody": true, "bodyContentType": "json", "jsonBody": "={{ JSON.stringify({ text: $json.text, blocks: $json.blocks }) }}", "options": {} } }, { "id": "bf6a9167-dbdb-4dbd-9dbd-00000000000b", "name": "No Change \u2014 Log", "type": "n8n-nodes-base.noOp", "typeVersion": 1, "position": [ 1432, 120 ], "parameters": {} } ], "connections": { "Daily Check 9AM": { "main": [ [ { "node": "Competitor URLs", "type": "main", "index": 0 } ] ] }, "Competitor URLs": { "main": [ [ { "node": "Fan Out URLs", "type": "main", "index": 0 } ] ] }, "Fan Out URLs": { "main": [ [ { "node": "Fetch Page", "type": "main", "index": 0 } ] ] }, "Fetch Page": { "main": [ [ { "node": "Diff vs Last Snapshot", "type": "main", "index": 0 } ] ] }, "Diff vs Last Snapshot": { "main": [ [ { "node": "If Changed", "type": "main", "index": 0 } ] ] }, "If Changed": { "main": [ [ { "node": "Summarize the Change", "type": "main", "index": 0 } ], [ { "node": "No Change \u2014 Log", "type": "main", "index": 0 } ] ] }, "OpenAI Chat Model": { "ai_languageModel": [ [ { "node": "Summarize the Change", "type": "ai_languageModel", "index": 0 } ] ] }, "Summarize the Change": { "main": [ [ { "node": "Format Alert", "type": "main", "index": 0 } ] ] }, "Format Alert": { "main": [ [ { "node": "Post to Slack", "type": "main", "index": 0 } ] ] } }, "settings": { "executionOrder": "v1" }, "staticData": null }