Tools

Estimates cloud costs of Terraform, Terragrunt, CloudFormation and AWS CDK changes before deployment and checks them against FinOps policies, in the terminal, editor, AI agents or CI. Requires an Infracost account; a free tier is available.

Official AWS MCP that validates CloudFormation templates for syntax and security compliance, diagnoses deployment failures, and searches CloudFormation and CDK docs, code samples and best practices. Replaces the deprecated Cloud Control API server; needs AWS credentials.

AWS's generally available agent toolkit and plugin marketplace: plugins such as aws-core, aws-agents and aws-data-analytics bundle the AWS MCP Server with evaluated skills for IaC, serverless, containers and billing. Calling AWS APIs requires configured credentials.

AWS's official skills (Agent Toolkit for AWS) covering IAM, CDK/CloudFormation, serverless, containers, observability, cost management and Bedrock, plus service-specific skills. Running AWS operations requires locally configured credentials.

AWS Labs' official plugin marketplace: deploy-on-aws (architecture recommendations, cost estimates and IaC deployment), aws-serverless, aws-amplify, databases-on-aws, sagemaker-ai and more. AWS suggests Agent Toolkit for AWS for new projects.

AWS's official plugin for startups: answers AWS Activate credit eligibility and 60+ startup perks, gives architecture and cost advice by funding stage, team size and runway, and plans migrations from GCP, Azure or Heroku. Perk lookups need no AWS account; migrations need your repo.