# Rust

## Pages

- [An AI Agent Built a JavaScript Engine. But the pudding is missing the proof.](https://aeshift.com/posts/2026-03-16-jsse-agent-coded-javascript-engine-in-rust-passing-9996-of-test262/index.md): JSSE passes 99.81% of test262 with zero human code. That's the easy part. Maintainability, harness trust, and the missing layers above conformance are where agent-generated code gets hard.