Hacker News Reader

There shouldn't be anything stopping you from doing that.

You can just use the AGENTS.md file as an index pointing to other doc files.

This example does that -

The point is that .agents is a hidden file while AGENTS.md is in your face like a README intended for humans.

Having an in-your-face file that links to a hidden file serves no purpose.

I don't see the point of having it hidden though. Having it "in your face" means you can actively tune it yourself, or using the LLM itself.

Webservers convention not to serve hidden files

RFC 5785 (/.well-known/) breaks this convention, but sure, you are right in general.