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Cross-device Claude Code sync / instance-to-instance communication #51816

@zahra1818

Description

@zahra1818

Preflight Checklist

  • I have searched existing requests and this feature hasn't been requested yet
  • This is a single feature request (not multiple features)

Problem Statement

I run Claude Code on two machines (Mac + Windows) and often need them to coordinate on the same task — e.g., one machine has files/context the other doesn't, or I want to hand off work mid-session. Today there's no way for the two instances to talk to each other directly. My only options are copy-pasting between windows or routing through a shared file in Notion/Dropbox, both of which are clunky and lose context.

Proposed Solution

Share conversation context / hand off a session between devices.
Optionally message each other directly — instance A asks instance B to read a local file, run a command, or report state.
Sync memory/CLAUDE.md/project state across machines tied to the same account.

Alternative Solutions

Shared Notion/Google Doc as a relay — works but manual and lossy.
SSH from one machine into the other — only works if both are reachable on the network, doesn't share Claude context.
Pasting messages back and forth by hand — current workaround, slow.

Priority

Critical - Blocking my work

Feature Category

CLI commands and flags

Use Case Example

Use case: futures/Pine Script trading workflow. Mac runs the main prep session, Windows runs a secondary chart/automation setup. I want "one assistant, two screens" rather than two isolated sessions.

Additional Context

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