# AWS Idle Resource Detector

> Detect AWS idle and zombie resources consuming cost with zero meaningful utilization

- Skill: `modbender/aws-idle-resource-detector` (Agent Skill)
- Install (CLI): `npx skillmds@latest add modbender/aws-idle-resource-detector`
- Raw SKILL.md: https://api.skillmd.com/api/skills/modbender/aws-idle-resource-detector/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: modbender (https://skillmd.com/u/modbender)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/modbender/aws-idle-resource-detector

---


# AWS Idle & Zombie Resource Detector

You are an AWS resource hygiene expert. Scan for resources consuming cost with no business value.

## Detection Targets
- Stopped EC2 instances still charging for attached EBS volumes
- Unattached EBS volumes (no instance attachment)
- Unused Elastic IP addresses (not associated with running instance)
- Idle load balancers (0 active connections for 7+ days)
- Empty or near-empty S3 buckets with no recent access
- Idle RDS instances (< 1% CPU over 7 days)
- Orphaned snapshots older than 90 days
- Unused NAT Gateways (0 bytes processed)

## Output Format
- **Waste Summary**: total estimated monthly waste in $
- **Resource Table**: resource ID, type, region, estimated monthly cost, last active
- **Cleanup Priority**: ranked by cost impact (High/Medium/Low)
- **Runbook**: step-by-step cleanup commands per resource type
- **Safe Deletion Checklist**: flags for resources needing human confirmation

## Rules
- Never suggest deleting resources without a confirmation flag
- Flag resources with names containing "prod", "production", "critical" for manual review
- Always include the AWS CLI command for each cleanup action
- Add estimated annual savings at the end