---
name: AWS Cost & Operations
description: This skill provides AWS cost optimization, monitoring, and operational best practices with integrated MCP servers for billing analysis, cost estimation, observability, and security assessment.
---

# AWS Cost & Operations

This skill provides AWS cost optimization, monitoring, and operational best practices with integrated MCP servers for billing analysis, cost estimation, observability, and security assessment.

# AWS Cost & Operationsby zxkane
This skill provides AWS cost optimization, monitoring, and operational best practices with integrated MCP servers for billing analysis, cost estimation, observability, and security assessment.

`npx skills add https://github.com/zxkane/aws-skills --skill aws-cost-operations`Download ZIPGitHub

## AWS Cost & Operations

This skill provides comprehensive guidance for AWS cost optimization, monitoring, observability, and operational excellence with integrated MCP servers.

## AWS Documentation Requirement

Always verify AWS facts using MCP tools (`mcp__aws-mcp__*` or `mcp__*awsdocs*__*`) before answering. The `aws-mcp-setup` dependency is auto-loaded — if MCP tools are unavailable, guide the user through that skill's setup flow.

## Integrated MCP Servers

This plugin provides 3 MCP servers:

### Bundled Servers

1. AWS Pricing MCP Server (`pricing`)
Purpose: Pre-deployment cost estimation and optimization

* Estimate costs before deploying resources

* Compare pricing across regions

* Calculate Total Cost of Ownership (TCO)

* Evaluate different service options for cost efficiency

2. AWS Cost Explorer MCP Server (`costexp`)
Purpose: Detailed cost analysis and reporting

* Analyze historical spending patterns

* Identify cost anomalies and trends

* Forecast future costs

* Analyze cost by service, region, or tag

3. Amazon CloudWatch MCP Server (`cw`)
Purpose: Metrics, alarms, and logs analysis

* Query CloudWatch metrics and logs

* Create and manage CloudWatch alarms

* Troubleshoot operational issues

* Monitor resource utilization

Note: The following servers are available separately via the Full AWS MCP Server (see `aws-mcp-setup` skill) and are not bundled with this plugin:

* AWS Billing and Cost Management MCP — Real-time billing details

* CloudWatch Application Signals MCP — APM and SLOs

* AWS Managed Prometheus MCP — PromQL queries for containers

* AWS CloudTrail MCP — API activity audit

* AWS Well-Architected Security Assessment MCP — Security posture assessment

## When to Use This Skill

Use this skill when:

* Optimizing AWS costs and reducing spending

* Estimating costs before deployment

* Monitoring application and infrastructure performance

* Setting up observability and alerting

* Analyzing spending patterns and trends

* Investigating operational issues

* Auditing AWS activity and changes

* Assessing security posture

* Implementing operational excellence

## Cost Optimization Best Practices

### Pre-Deployment Cost Estimation

Always estimate costs before deploying:

* Use AWS Pricing MCP to estimate resource costs

* Compare pricing across different regions

* Evaluate alternative service options

* Calculate expected monthly costs

* Plan for scaling and growth

Example workflow:

```
`"Estimate the monthly cost of running a Lambda function with
1 million invocations, 512MB memory, 3-second duration in us-east-1"
`
```

### Cost Analysis and Optimization

Regular cost reviews:

* Use Cost Explorer MCP to analyze spending trends

* Identify cost anomalies and unexpected charges

* Review costs by service, region, and environment

* Compare actual vs. budgeted costs

* Generate cost optimization recommendations

Cost optimization strategies:

* Right-size over-provisioned resources

* Use appropriate storage classes (S3, EBS)

* Implement auto-scaling for dynamic workloads

* Leverage Savings Plans and Reserved Instances

* Delete unused resources and snapshots

* Use cost allocation tags effectively

### Budget Monitoring

Track spending against budgets:

* Use Billing and Cost Management MCP to monitor budgets

* Set up budget alerts for threshold breaches

* Review budget utilization regularly

* Adjust budgets based on trends

* Implement cost controls and governance

## Monitoring and Observability Best Practices

### CloudWatch Metrics and Alarms

Implement comprehensive monitoring:

* Use CloudWatch MCP to query metrics and logs

* Set up alarms for critical metrics:

* CPU and memory utilization

* Error rates and latency

* Queue depths and processing times

* API gateway throttling

* Lambda errors and timeouts

* Create CloudWatch dashboards for visualization

* Use log insights for troubleshooting

Example alarm scenarios:

* Lambda error rate > 1%

* EC2 CPU utilization > 80%

* API Gateway 4xx/5xx error spike

* DynamoDB throttled requests

* ECS task failures

### Application Performance Monitoring

Monitor application health:

* Use CloudWatch Application Signals MCP for APM

* Track service-level objectives (SLOs)

* Monitor application dependencies

* Identify performance bottlenecks

* Set up distributed tracing

### Container and Kubernetes Monitoring

For containerized workloads:

* Use AWS Managed Prometheus MCP for metrics

* Monitor container resource utilization

* Track pod and node health

* Create PromQL queries for custom metrics

* Set up alerts for container anomalies

## Audit and Security Best Practices

### CloudTrail Activity Analysis

Audit AWS activity:

* Use CloudTrail MCP to analyze API activity

* Track who made changes to resources

* Investigate security incidents

* Monitor for suspicious activity patterns

* Audit compliance with policies

Common audit scenarios:

* "Who deleted this S3 bucket?"

* "Show all IAM role changes in the last 24 hours"

* "List failed login attempts"

* "Find all actions by a specific user"

* "Track modifications to security groups"

### Security Assessment

Regular security reviews:

* Use Well-Architected Security Assessment MCP

* Assess security posture against best practices

* Identify security gaps and vulnerabilities

* Implement recommended security improvements

* Document security compliance

Security assessment areas:

* Identity and Access Management (IAM)

* Detective controls and monitoring

* Infrastructure protection

* Data protection and encryption

* Incident response preparedness

## Using MCP Servers Effectively

### Cost Analysis Workflow

* Pre-deployment: Use Pricing MCP to estimate costs

* Post-deployment: Use Billing MCP to track actual spending

* Analysis: Use Cost Explorer MCP for detailed cost analysis

* Optimization: Implement recommendations from Cost Explorer

### Monitoring Workflow

* Setup: Configure CloudWatch metrics and alarms

* Monitor: Use CloudWatch MCP to track key metrics

* Analyze: Use Application Signals for APM insights

* Troubleshoot: Query CloudWatch Logs for issue resolution

### Security Workflow

* Audit: Use CloudTrail MCP to review activity

* Assess: Use Well-Architected Security Assessment

* Remediate: Implement security recommendations

* Monitor: Track security events via CloudWatch

### MCP Usage Best Practices

* Cost Awareness: Check pricing before deploying resources

* Proactive Monitoring: Set up alarms for critical metrics

* Regular Reviews: Analyze costs and performance weekly

* Audit Trails: Review CloudTrail logs for compliance

* Security First: Run security assessments regularly

* Optimize Continuously: Act on cost and performance recommendations

## Operational Excellence Guidelines

### Cost Optimization

* Tag Everything: Use consistent cost allocation tags

* Review Monthly: Analyze spending trends and anomalies

* Right-size: Match resources to actual usage

* Automate: Use auto-scaling and scheduling

* Monitor Budgets: Set alerts for cost overruns

### Monitoring and Alerting

* Critical Metrics: Alert on business-critical metrics

* Noise Reduction: Fine-tune thresholds to reduce false positives

* Actionable Alerts: Ensure alerts have clear remediation steps

* Dashboard Visibility: Create dashboards for key stakeholders

* Log Retention: Balance cost and compliance needs

### Security and Compliance

* Least Privilege: Grant minimum required permissions

* Audit Regularly: Review CloudTrail logs for anomalies

* Encrypt Data: Use encryption at rest and in transit

* Assess Continuously: Run security assessments frequently

* Incident Response: Have procedures for security events

## Additional Resources

For detailed operational patterns and best practices, refer to the comprehensive reference:

File: `references/operations-patterns.md`

This reference includes:

* Cost optimization strategies

* Monitoring and alerting patterns

* Observability best practices

* Security and compliance guidelines

* Troubleshooting workflows

## CloudWatch Alarms Reference

File: `references/cloudwatch-alarms.md`

Common alarm configurations for:

* Lambda functions

* EC2 instances

* RDS databases

* DynamoDB tables

* API Gateway

* ECS services

* Application Load Balancers

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**Source**: https://github.com/zxkane/aws-skills/tree/main/plugins/aws-cost-ops/skills/aws-cost-operations
**Author**: zxkane
**Discovered via**: mcpservers.org