LaunchDevelopersAugust 4, 2026

Claude Code 2.1.222 adds self-hosted runners and cross-session messaging

New in 2.1.222: claude self-hosted-runner runs Claude Code web, mobile, and desktop sessions on your own machines (Team/Enterprise plans), and sessions can message each other cross-machine via SendMessage/ListAgents on macOS and Linux. Fixes a sandbox bypass where trailing-slash deny entries were ignored.

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