aws-expert

Provide AWS configuration and architecture guidance with best practices.

Updated Aug 27, 2026

Search Tags:#aws #cloud #cost optimization #iam #s3 #lambda #vpc

Ready to run

npx skills add https://github.com/brunoldqueiroz/marvin --skill aws-expert-brunoldqueiroz

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: aws-expert
Source: https://github.com/brunoldqueiroz/marvin/tree/main/.claude/skills/aws-expert
Command: npx skills add https://github.com/brunoldqueiroz/marvin --skill aws-expert-brunoldqueiroz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides expert guidance on AWS service configuration, architecture, and best practices, helping users optimize their cloud environments for security, cost, and performance.

Core Features & Use Cases

AWS Service Configuration: Get advice on IAM, S3, Lambda, VPC, EC2/RDS.
Architecture Best Practices: Understand Well-Architected Framework principles.
Cost Optimization: Receive recommendations to reduce AWS spending.
Use Case: A user needs to design a secure and cost-effective S3 bucket policy. This Skill can provide a tailored policy adhering to least privilege and best practices.

Quick Start

Use the aws-expert skill to help me design a least-privilege IAM policy for a Lambda function that needs to read from an S3 bucket and write to a DynamoDB table.

Frequently Asked Questions about aws-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I design a least-privilege IAM policy for an AWS Lambda function accessing S3?▼

To design a least-privilege IAM policy for AWS Lambda, scope permissions strictly to the required S3 actions and DynamoDB table resources. This Skill provides tailored policy configurations adhering to current AWS best practices for secure service interaction.

What's the best way to optimize AWS costs across EC2 and RDS instances?▼

The best way to optimize AWS costs involves analyzing your EC2 and RDS usage patterns against the Well-Architected Framework. This Skill delivers opinionated recommendations to reduce AWS spending by right-sizing resources and applying cost-effective architectural patterns.

Can I get architecture guidance for configuring a secure AWS VPC?▼

You can get AWS VPC architecture guidance by applying Well-Architected Framework principles to your network design. This Skill offers expert advice on VPC configuration, ensuring secure subnetting, routing, and security group implementations.

Does this advisor follow the AWS Well-Architected Framework for S3 bucket policies?▼

Yes, this advisor follows the AWS Well-Architected Framework to generate secure S3 bucket policies. It provides opinionated configuration guidance grounded in current best practices, ensuring your storage architecture meets security and performance pillars.

Why should I use opinionated AWS best practices over generic cloud configuration templates?▼

Opinionated AWS best practices provide targeted, secure configurations unlike generic cloud templates that often grant excessive permissions. This Skill delivers specialized guidance for services like IAM and Lambda, ensuring your setup aligns strictly with the Well-Architected Framework.

How do I configure AWS services using current best practices and documentation?▼

You configure AWS services by requesting architecture and setup guidance grounded in current documentation. This Skill utilizes AWS CLI, Context7 for documentation, and Exa for current practices to provide accurate service configuration and code context.