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 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, amazon-web-services, testing, werner-vogels, ai, rust, docker, generative-ai, llms, agentic-engineering
source & further reading
simonwillison.net — original article
llm 0.37.2
A simple Python implementation of the ReAct pattern for LLMs
llm-gemini 0.36