claudegoodies
Skill

aws-cost-optimizer

From sickn33

Comprehensive AWS cost analysis and optimization recommendations using AWS CLI and Cost Explorer

Facts

Repository
sickn33/agentic-awesome-skills
Status
Actively maintained
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Source file
plugins/agentic-awesome-skills-claude/skills/aws-cost-optimizer/SKILL.md

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The instructions Claude Code reads when this skill runs.

# 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 U
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