Cost Estimator

AWS cost estimation tool for CDK projects with real-time pricing from AWS Price List Bulk API.

When to Apply

Reference this skill when:

• Estimating AWS infrastructure costs
• Analyzing CDK project resource costs
• Generating pricing reports (Excel/Markdown)
• Comparing costs across AWS regions
• Calculating Bedrock model costs

How It Works

1. Confirm Region - Select target AWS region(s)
2. Scan Resources - Analyze CDK code for AWS resources
3. Fetch Pricing - Get real-time prices from AWS Bulk API
4. Generate Reports - Create Excel and Markdown reports

Prerequisites

• AWS CDK project with synthesizable stacks
• Python 3.8+ with pandas, openpyxl
• AWS credentials (for pricing API access)

Usage

# Fetch AWS pricing data
python scripts/fetch-aws-pricing.py --region us-east-1

# Generate Excel report
python scripts/generate-pricing-excel.py --input resources.json --output costs.xlsx

Output Files

Reports are saved to cost-estimates/:

• cost-estimate-{region}.xlsx - Detailed Excel report
• cost-estimate-{region}.md - Markdown summary

Supported Regions

• All standard AWS regions
• China regions (cn-north-1, cn-northwest-1) with CNY pricing

References

• CDK Analysis - Resource scanning guide
• Pricing API - AWS Bulk API usage
• Report Generation - Report creation
• Bedrock Pricing - AI model pricing