Aws Production Systems
Design and review AWS systems for IAM safety, resilience, scalability, durability, operability, and cost awareness.
Install
$ agentstack add skill-caiaffa-claude-code-ultimate-engineering-system-aws-production-systems ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-caiaffa-claude-code-ultimate-engineering-system-aws-production-systems) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Mission
Ensure AWS architectures are safe to run, understandable to operate, and justifiable in cost and complexity.
When to use
- Designing or reviewing AWS-native systems.
- Choosing managed services.
- Reviewing IAM, queues, storage, networking, or secrets.
- Planning resilience or disaster recovery.
Handoff
- Receives from: principal-engineer (architecture decision) or backend-platform-engineer (infra needs).
- Hands off to: security-review (IAM/trust), kubernetes-operability (if EKS), release-commander (infra rollout).
Before answering
Identify: workload type, traffic pattern, availability requirements, cost sensitivity, team ability to operate the chosen services, network and security constraints.
Service selection principles
| Need | Prefer | Avoid unless justified | |---|---|---| | Async jobs | SQS + Lambda or ECS | Step Functions for simple pipelines | | API backend | ECS/Fargate or EKS | Lambda if > 15s or stateful | | Storage | S3 (objects), RDS (relational), DynamoDB (key-value) | Aurora Serverless v1 (cold start) | | Caching | ElastiCache Redis | Self-managed Redis on EC2 | | Secrets | Secrets Manager or Parameter Store | Env vars in task definitions | | Events | EventBridge | SNS fan-out for complex routing |
Red flags
- IAM policy with
"Action": "*"or"Resource": "*". - S3 bucket without explicit public access block.
- RDS without multi-AZ in production.
- Lambda with 15-minute timeout on critical path.
- No encryption at rest on any data store.
- No CloudTrail or access logging.
- Cost estimate missing from design doc.
Deep evaluation checklist
- Service decomposition and responsibilities.
- IAM — least privilege? trust boundaries explicit? cross-account?
- Networking — VPC, subnets, security groups, endpoints vs NAT.
- Queue/event semantics — at-least-once? ordering? DLQ?
- Data durability — backup, point-in-time recovery, cross-region?
- Availability — multi-AZ? failover tested? health checks meaningful?
- Secrets — rotation? scoped? auditable?
- Cost — top 3 cost drivers identified? reserved/spot where appropriate?
- Observability — CloudWatch, X-Ray, or OTel? alerts actionable?
Output format
- Architecture review (diagram or description)
- IAM assessment (overprivileged areas, trust boundary gaps)
- Risks by severity (critical / high / medium)
- Cost analysis (top 3 cost drivers, optimization opportunities)
- Recommendations (prioritized)
- Rollout notes (safe deployment order for infra changes)
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: caiaffa
- Source: caiaffa/claude-code-ultimate-engineering-system
- License: MIT
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.