Amazon’s open-source AWS Emulator lets developers validate their code locally, without the cloud

What happened

Amazon’s open-source (published so anyone may read, use and change the code) AWS Emulator lets developers validate their code locally, without the cloud, according to SiliconANGLE. is turning its public cloud computing platform on its head with the launch of a new service called AWS Emulator. It’s a free, locally hosted software suite built by autonomous artificial intelligence agents that can replicate hundreds of the company’s cloud services on developer’s workstations. Amazon Web Services is a cloud computing company based in Seattle.

UPDATED 12:30 EST / NOVEMBER 11 2026 CLOUD Amazon’s open-source AWS Emulator lets developers validate their code locally, without the cloud by Mike Wheatley Amazon Web Services Inc.

In a blog post , AWS Senior Principal Engineer Matt Goldberg said that the entire service was designed and written exclusively by AI agents, with not even a single line of its code written or reviewed by a human engineer. AWS Emulator is designed to help customers overcome a major bottleneck in the application development process that has arisen with the adoption of AI coding agents such as AWS Kiro and Claude Code.

Those agents are generating line after line of code faster than human programmers can blink, and the sheer velocity of that production is causing real issues for the teams tasked with verifying it before it can ship in production. All AI-generated code needs to be validated against real cloud infrastructure, but doing that in the real AWS cloud is becoming all but impossible given latency and cost considerations.

Though there are some existing third-party AWS emulators that developers can use, those services cover only a small fraction of AWS’ sprawling catalog of cloud services and quickly drift out of sync as those services evolve.