[HN]score: 0.34

Claude Code adds cross-session messaging via ListAgents and SendMessage tools

August 8, 2026

Claude Code v2.1.224+ enables independent sessions to communicate using SendMessage and ListAgents tools on macOS and Linux. This allows agents to exchange text-based warnings or answers across sessions without transferring full conversation histories or files.

HOW THIS AFFECTS YOU

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builderYou can now build multi-agent workflows where autonomous coding sessions coordinate and resolve blockers via text signals.

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researcherThis provides a mechanism for studying inter-agent communication protocols in agentic development environments.

read original ↗code.claude.com

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