# Rails Foundation

> The Rails Foundation commissioned Evil Martians to build Agents on Rails: an ongoing benchmark measuring how well coding agents perform on real Rails codebases. We built lemans, the open source harness behind it.

- URL: https://evilmartians.com/clients/rails-foundation
- Industries: Developer Tools, AI
- Services: AI harness, Agent Experience

## Key facts

- **16+**: models benchmarked