aws-cost-optimizerlisted

# AWS Cost Optimizer Analyze AWS spending patterns, identify waste, and provide actionable cost reduction strategies. ## When to Use This Skill Use this skill when you need to analyze AWS spending, identify cost optimization opportunities, or reduce cloud waste. ## Core Capabilities **Cost Analysis** - Parse AWS Cost Explorer data for trends and anomalies - Break down costs by service, region, and resource tags - Identify month-over-month spending increases **Resource Optimization** - Detect idle EC2 instances (low CPU utilization) - Find unattached EBS volumes and old snapshots - Identify unused Elastic IPs - Locate underutilized RDS instances - Find old S3 objects eligible for lifecycle policies **Savings Recommendations** - Suggest Reserved Instance/Savings Plans opportunities - Recommend instance rightsizing based on CloudWatch metrics - Identify resources in expensive regions - Calculate potential savings with specific actions ## AWS CLI Commands ### Get Cost and Usage ```bash # Last 30 days cost by service aws ce get-cost-and-usage \ --time-period Start=$(date -d '30 days ago' +%Y-%m-%d),End=$(date +%Y-%m-%d) \ --granularity MONTHLY \ --metrics BlendedCost \ --group-by Type=DIMENSION,Key=SERVICE # Daily costs for current month aws ce get-cost-and-usage \ --time-period Start=$(date +%Y-%m-01),End=$(date +%Y-%m-%d) \ --granularity DAILY \ --metrics UnblendedCost ``` ### Find Unused Resources ```bash # Unattached EBS volumes aws ec2 describe-volume