I can't say I'm super into all the agents that are being created. But I do try to keep up here on HN and I can't say that I can remember any with this particular set of attributes.
In particular, aiming to be embeddable into other projects seems rather notable. At least, not something I've remembered of other projects that have made there way across the HN front page.
Almost every harness has an SDK now, it seems part of the "mvp" at this point, both open and closed source
https://learn.chatgpt.com/docs/codex-sdk
https://code.claude.com/docs/en/agent-sdk/overview
https://pi.dev/docs/latest/sdk
or if you want SDK first, my recommendation is https://adk.dev/
Pi is a composition of libraries that can be used to build agents. That seems far more interesting than this “minimal” agent.
This was written in zig and built by vercel. That’s the only notable characteristics about this project.
All code agents look the same and this one is no different.