News, tutorials, and insights from the LocalStack team on cloud emulation, product showcases, and local development practices.https://blog.localstack.cloud/https://blog.localstack.cloud/give-your-coding-agent-a-real-cloud-to-break/https://blog.localstack.cloud/give-your-coding-agent-a-real-cloud-to-break/We gave Claude Code the LocalStack MCP server and a production bug report about a broken dead-letter queue, then watched it deploy, reproduce the failure from App Inspector traces, fix the pipeline, and prove the fix, without touching an AWS account.Tue, 11 Aug 2026 00:00:00 GMThttps://blog.localstack.cloud/i-tried-app-inspector/https://blog.localstack.cloud/i-tried-app-inspector/App Inspector is LocalStack's built-in observability layer that shows you every AWS API call, IAM permission evaluation, and full request/response payload your app makes locally, before it ever hits a real AWS account.Thu, 07 May 2026 00:00:00 GMThttps://blog.localstack.cloud/introducing-app-inspector/https://blog.localstack.cloud/introducing-app-inspector/App Inspector gives engineering teams full transparency within their local development environment by continuously monitoring your emulated AWS environment to surface hidden issues, helping your team understand what is happening, where, and why.Wed, 29 Apr 2026 00:00:00 GMThttps://blog.localstack.cloud/what-is-localstack/https://blog.localstack.cloud/what-is-localstack/New to LocalStack but familiar with AWS? Learn what LocalStack is, why it speeds up your development workflow, and how to get your first local AWS environment running in minutes.Mon, 27 Apr 2026 00:00:00 GMThttps://blog.localstack.cloud/wth-are-ai-skills/https://blog.localstack.cloud/wth-are-ai-skills/AI agents can reason, but without structured actions they still guess at real-world workflows. This post explores the concept of AI agent skills and shows how LocalStack Skills provide deterministic, guardrailed automation for local AWS development.Tue, 07 Apr 2026 00:00:00 GMThttps://blog.localstack.cloud/save-and-share-localstack-state-with-cloudpods/https://blog.localstack.cloud/save-and-share-localstack-state-with-cloudpods/Cloud Pods let you snapshot your entire LocalStack environment and spin it up instantly. In this post, learn how to save state, skip slow stack deployments, and share consistent dev and test environments across your team and CI.Mon, 15 Sep 2025 00:00:00 GMThttps://blog.localstack.cloud/testing-your-serverless-app-like-a-pro/https://blog.localstack.cloud/testing-your-serverless-app-like-a-pro/Writing tests for serverless apps often feels like herding cats in the cloud. In this tutorial, learn how to run real integration tests on your AWS stack, including S3, Lambda, SQS, and DynamoDB, using LocalStack, pytest, and boto3.Thu, 07 Aug 2025 00:00:00 GMThttps://blog.localstack.cloud/why-i-run-my-serverless-apps-locally/https://blog.localstack.cloud/why-i-run-my-serverless-apps-locally/Tired of waiting on CloudFormation, racking up bills, and debugging invisible resources? Learn how to run a real serverless app (S3, Lambda, SQS, and DynamoDB) entirely on your laptop using LocalStack, with step-by-step commands and explanations.Thu, 24 Jul 2025 00:00:00 GMThttps://blog.localstack.cloud/peeking-into-sqs-queues-locally-with-localstack-developer-endpoint/https://blog.localstack.cloud/peeking-into-sqs-queues-locally-with-localstack-developer-endpoint/Learn how to debug AWS SQS queues locally using LocalStack's SQS Developer Endpoint to inspect delayed messages, in-flight messages, and retry flows without side effects or disrupting queue behavior.Fri, 30 May 2025 00:00:00 GMThttps://blog.localstack.cloud/2022-09-12-announcing-localstack-extensions/https://blog.localstack.cloud/2022-09-12-announcing-localstack-extensions/With LocalStack 1.0 we have introduced LocalStack Extensions that allow developers to extend and customize LocalStack. You can now use Extensions to add new services, extend existing services, and even add custom functionality.Mon, 12 Sep 2022 00:00:00 GMT