{"name": "Expense Report Analyzer", "nodes": [{"id": "n1", "name": "Expense Data Webhook", "type": "n8n-nodes-base.webhook", "typeVersion": 2.1, "position": [0, 0], "parameters": {"httpMethod": "POST", "path": "analyze-expenses", "responseMode": "responseNode"}}, {"id": "n2", "name": "Analyze Expenses", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.4, "position": [224, 0], "parameters": {"method": "POST", "url": "https://api.anthropic.com/v1/messages", "sendHeaders": true, "headerParameters": {"parameters": [{"name": "x-api-key", "value": "YOUR_ANTHROPIC_API_KEY"}, {"name": "anthropic-version", "value": "2023-06-01"}, {"name": "content-type", "value": "application/json"}]}, "sendBody": true, "bodyParameters": {"parameters": [{"name": "model", "value": "claude-sonnet-4-6"}, {"name": "max_tokens", "value": "1000"}, {"name": "messages", "value": "=[{\"role\":\"user\",\"content\":\"Return ONLY JSON {total:number, by_category:{}, anomalies:string[], over_budget:string[], recommendations:string[], summary:string}. Expenses: {{ JSON.stringify($json.body.expenses) }}. Budget: {{ JSON.stringify($json.body.budget) }}\"}]"}]}}}, {"id": "n3", "name": "Return Analysis", "type": "n8n-nodes-base.respondToWebhook", "typeVersion": 1.1, "position": [448, 0], "parameters": {"respondWith": "json", "responseBody": "={\"ok\":true,\"result\":\"{{ $json.content[0].text }}\"}"}}], "connections": {"Expense Data Webhook": {"main": [[{"node": "Analyze Expenses", "type": "main", "index": 0}]]}, "Analyze Expenses": {"main": [[{"node": "Return Analysis", "type": "main", "index": 0}]]}}, "settings": {"executionOrder": "v1"}}