Message your other Claude Code sessions - Claude Code Docs

Global World Sun, 09 Aug 2026 17:01:41 GMT Moderate confidence — 64/100

Cross-session messaging lets Claude deliver a message from one of your Claude Code sessions to another.
When a change in one session breaks what another is building on, Claude can warn that session before you notice.
When one session settles a question another is blocked on, Claude can send the answer across.

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Cross-session messaging lets Claude deliver a message from one of your Claude Code sessions to another.
When a change in one session breaks what another is building on, Claude can warn that session before you notice.
When one session settles a question another is blocked on, Claude can send the answer across.

Sources: Claude