Show HN: Sylph – the open-source company brain behind my YC startup
6 points by ClaireGz 9 hours ago | 2 comments
Hello HN! I'm Claire, founder of nao Labs (YC X25). Two months ago I started building a company brain in a git repo. Now I fully run my company with 8 AI agents, 20+ skills, and a self-learning context repo.

I built it in a git repo because I refused to lock into any tool - not a context layer, not a specific agent harness. Today I'm open sourcing it so others can build their own.

Sylph is the open source version of the company brain I use. It gives you the structure to host your own company context, build skills, create AI agents, and already has a self-learning loop scaffolded. It is a Git repo, with no lock-in on any tool, that can work with any agent: Claude Code, Codex, Cursor.

Sylph is made for you to make your own: fork it, run /sylph-setup, and it will build your own company brain according to your own context.

Repo: github.com/getnao/sylph

How I built it: https://thenewaiorder.substack.com/p/i-built-a-company-brain...

Tell me what you think, and if you've got some tips if you built an AI brain for your company too!

  • binyang_qiu 8 hours ago |
    The repo-native approach is pretty cool. Many agent systems still feel opaque because the operational context is buried within prompts and tools. Putting the company memory into Git makes the whole thing much more inspectable.
    • ClaireGz 8 hours ago |
      Yes exactly how I felt - I wanted to keep control on the tooling + on what's inside the context so Git felt like the most open tool to do this