Reproduce AWS cloud development environments at high speed and safety in a local environment. The co-founder of LocalStack is coming to Japan!

We gave Claude Code the LocalStack MCP server and a CSV export of SaaS billing data, then asked it to build a quarterly Revenue-by-Plan report on our Snowflake emulator. It loaded the data, found &…

Learn how to build and test Lambda Durable Functions locally with LocalStack by deploying an order processing workflow with CDK, watching checkpointed steps retry a flaky payment gateway, surviving a…

Learn how to build and test Cognito flows against LocalStack: the hosted UI with auth code and PKCE, JWT verification against the pool's JWKS in an API Gateway authorizer, TOTP multi-factor auth, and…

Run AWS Lambda + RDS Locally on Kubernetes with LocalStack (Kind + Terraform in 5 Minutes) The video shows how to test an AWS Lambda function that queries an RDS MySQL database entirely on a local…

We gave Claude Code the LocalStack MCP server and a real AWS CDK app, then made a one-line change that looked harmless, which then silently destroyed the data on deployment. The agent caught it,…

Learn how to build and test Lambda Durable Functions locally with LocalStack by deploying an order processing workflow with CDK, watching checkpointed steps retry a flaky payment gateway, surviving a restart mid-execution, and resuming the workflow with a callback.

LocalStack this week revealed it has acquired WonderTwin AI, a provider of an emulator of software-as-a-service (SaaS) applications.

We asked Claude Code to run a chaos game day against a serverless data pipeline on LocalStack: define a steady state, inject faults into every hop, diagnose the failures from App Inspector traces, fix...

We are excited to present this set of sessions and hands-on workshops for KCDC 2026. We look forward to seeing you on September 9-11 at the Kansas City Convention Center!

Meet lstk, the new recommended LocalStack CLI. One install replaces the localstack CLI, awslocal, and Python dependencies, with browser-based login, unified snapshot management, TOML config, and the…

AT Protocol is more than just Bluesky. This post explains what ATproto is, why it matters for event-driven apps, and how to build a reusable AWS pipeline for consuming it — including testing the full…

Snowflake-Next enters preview, while LocalStack for Snowflake 2026.08.0 improves long-running query handling, RESULT_SCAN, ordered aggregates, metadata queries, pipes, and tags.

We are excited to present this set of sessions and hands-on workshops for KCDC 2026. We look forward to seeing you on September 9-11 at the Kansas City Convention Center!

Stop writing bigger and bigger prompts for your AI coding agent. Learn how to build an AI-native AWS development environment using Cursor Rules, agent skills and plugins, the AWS MCP Server, and…

Run your queries and pipelines locally with full control over your data workflows, without touching your live Snowflake instance. Eliminate expensive compute costs. Accelerate iteration. Ship without…

LocalStack for AWS 2026.08.0 adds Lambda Durable Functions, CloudFront Functions with KeyValueStore, the native ELBv2 provider by default, broader Verified Permissions and RDS coverage, OpenSearch…

Learn how to test AWS Fargate container workloads locally with LocalStack by deploying a CDK stack that runs a message-driven Go app on ECS Fargate, processing SQS messages into DynamoDB, and…

AWS ships a fleet of official MCP servers that let agents write IaC, validate it, and invoke Lambda functions. Point them at LocalStack instead of real AWS, and an agent can build, harden, deploy, and test the cloud app locally. Here is how we wired them up and what happened.

LocalStack mocks AWS services locally, while Terraform provisions them. Together, they let you test infrastructure code instantly, without cloud costs or internet.

Apply for a free LocalStack Ultimate licenses for open source projects. Emulate AWS & Snowflake locally, eliminate cloud costs, and accelerate CI/CD pipelines.

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,…

AI agents are getting capable enough to provision infrastructure and execute code with real consequences. Here's a taxonomy of AI sandboxes and where LocalStack fits as the missing cloud…

Recreating the unique state of a cloud app environment is notoriously complex, making it difficult to diagnose bugs, collaborate with teammates, or even just pick up where you left off. Join us as we…

AI agents are getting capable enough to provision infrastructure and execute code with real consequences. Here's a taxonomy of AI sandboxes and where LocalStack fits as the missing cloud…

Running cloud integration tests in CI against real AWS can be slow, expensive, and hard to debug. Deployments take minutes to hours, costs add up across every pipeline run, and staging environments…

Learn how to test Service Control Policies with LocalStack by building a local AWS organization, attaching guardrails to a sandbox account, reading denial messages that name the exact policy, and…

Recreating the unique state of a cloud app environment is notoriously complex, making it difficult to diagnose bugs, collaborate with teammates, or even just pick up where you left off. Join us as we…

LocalStack for Snowflake 2026.07.0 fixes persistence across restarts and improves compatibility for dbt workflows, DDL transactions, CTEs, UNPIVOT, QUALIFY, and JavaScript stored procedures.

Pair the LocalStack capability with DynamicWorkflow so a fan-out of Pydantic AI sub-agents each gets its own disposable, emulated AWS: build and test a rate-limiter design tournament in parallel, for…

LocalStack for AWS 2026.07.0 adds Step Functions HTTP Tasks, Aurora DSQL CloudFormation and SQL dialect support, an ECS service scheduler, expanded AWS Replicator coverage, and CloudFormation update s...

Learn how to test Amazon S3 replication with LocalStack by configuring a cross-Region replication rule, catching an under-privileged replication role with IAM enforcement before it ships, and validati...

How to shift cost policy left into your local development workflow using CloudBurn and LocalStack, with a pre-commit hook that tells you whether your IaC changes made things better or worse before…

Learn how to run LocalStack on Jenkins with Docker-in-Docker when Docker socket mounting is unavailable, using an isolated DinD daemon for CI integration tests.

Learn how to orchestrate dbt pipelines on the Snowflake emulator with Apache Airflow and Astronomer Cosmos using LocalStack's MWAA emulator to run seeds, models, and validation queries locally.

Extend Kiro's capabilities with community-built powers. Browse MCP servers, agent steerings, and automation hooks to enhance your development workflow.

One theme kept coming up in nearly every one of the hundreds of conversations we had at AWS Summit NYC: AI agents are already writing infrastructure code, and engineering teams are still figuring out…

Let your AI agent set up and operate LocalStack. Copy one prompt, hand it to your agent, and start building locally against AWS services.

App Inspector is a LocalStack tool designed to enhance system observability by enabling users to view, collect, and inspect data exchanges, including event payloads and metadata, between AWS services.

Along with a number of parity improvements, LocalStack for Snowflake now ships as its own standalone Docker image offering faster container startup, and fewer issues. No migration steps are required.

In this video I walk through all 7 steps of the Kubernetes deployment lifecycle using LocalStack. We watch every handoff happen live in the event stream, then delete a pod on purpose to see the…