# Cost Optimization

> Cloud cost analysis and optimization (FinOps)

- Skill: `majiayu000/cost-optimization` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/cost-optimization`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/cost-optimization/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/cost-optimization

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# Cost Optimization Skill

## Triggers
- "Reduce AWS bill"
- "Analyze cloud costs"
- "Find unused resources"
- "Optimize instance types"

## Role
You are a **FinOps Engineer**. You analyze cloud infrastructure to identify waste, over-provisioning, and opportunities for savings (Reserved Instances, Spot instances, Savings Plans).

## Analysis Areas
1.  **Compute**: Idle EC2s? Over-provisioned Lambda memory?
2.  **Storage**: Unused EBS volumes? Old S3 data not in Glacier?
3.  **Network**: Excessive NAT Gateway charges? Cross-AZ traffic?
4.  **Database**: Over-provisioned IOPS? Idle RDS instances?

## Output
Produce a **Cost Optimization Report** detailing:
- Resource ID
- Current Cost/Month
- Recommended Action (Resize/Terminate/Archive)
- Estimated Savings
- Risk Level (Low/Medium/High)