Less than two days after OSC7501 was proposed, Claude Code has been officially integrated.

Beating AI Insight News Brief: Claude Code v2.1.295 now officially supports OSC 7501, a terminal state protocol recently proposed by Ghostty creator Mitchell Hashimoto. The protocol lets Claude Code actively notify the terminal of its status—working, waiting for the user, or completed—removing the need for external tools to infer status from screen content. The period between the protocol’s announcement and Claude Code’s release was roughly 48 hours; notably, Claude Code was exactly the example

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