I am not talking about ACP command flag - there is a separate binary that exists for integration into editors, and it's how VScode extension works. So it's the same usage pattern underneath
https://antigravity.google/docs/ide/extensions/
What I see is integrations for specific editors.
[1] https://github.com/agentclientprotocol/registry/blob/main/an...
But thank you, it appears there is an official and generic ACP client.