Claude Code Sessions: Shareable, No Copy-Paste

Claude Code sessions can now exchange messages. Stop copying context between terminals. Learn how to pass handoff summaries, not full history, and reduce token waste effectively.

Aug 08, 2026

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Claude Developers announced an easily underestimated update: Different Claude Code sessions can now send messages to each other.

You no longer need to open another terminal and re-explain the entire background. You can simply tell the current Claude: “Notify the weekly-digest session about this field rename.” The system will send a summary, and the other session receives it mid-task and continues processing.

This is not “sharing the full context.” The official documentation deliberately clarifies: what gets passed is a summary—not your conversation history, and not files. This boundary determines whether it becomes a productivity tool or a new amplifier of chaos.

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