# aws-emulator > Source: > Published: 2026-11-11 21:18:30+00:00 It's written in Rust by a huge swarm of agents - 29,684 commits in the first three weeks of the project. Swaminathan (Swami) Sivasubramanian wrote about [how it came to be](https://www.allthingsdistributed.com/2026/11/aws-emulator-and-the-engineers-job-when-agents-write-the-code.html) in a guest post on Werner Vogels' blog. It currently requires Docker to run on macOS or Windows. I'm hoping they fix that in the future - it would be great if you could download a single binary and use that as part of a standard test suite in other languages and on other platforms. Tags: [amazon](https://simonwillison.net/tags/amazon), [amazon-web-services](https://simonwillison.net/tags/amazon-web-services), [testing](https://simonwillison.net/tags/testing), [werner-vogels](https://simonwillison.net/tags/werner-vogels), [ai](https://simonwillison.net/tags/ai), [rust](https://simonwillison.net/tags/rust), [docker](https://simonwillison.net/tags/docker), [generative-ai](https://simonwillison.net/tags/generative-ai), [llms](https://simonwillison.net/tags/llms), [agentic-engineering](https://simonwillison.net/tags/agentic-engineering)