> A native home for Claude Code, Codex and every coding agent. Every pixel is a file your agent can change. Close it, they keep working.

First two sentences give zero information what it does. Third one is useful but i think many harnesses do it?

Continuing:

> A new kind of agent workspace. Native and terminal first, with nothing between you and your agents. Every part of it is a plain folder your agent can rewrite, and every agent keeps running when the window is gone.

Okay, more of the same. Let's press on.

> Your agents run agents. And hear back.

> An agent hands work to helpers and keeps going. When they finish, their reports land in its input. No copy-paste between windows: herdr-core carries the messages.

Are there modern harnesses that don't do subagents/subthreads/whatever the same way?

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There are some interesting bits but the vibed copy is for me offputting and a sign even the author might not understand what he made.