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Delta’s blog (Franciska Dethlefsen, October 27, 2026) titled “Claude Code is now multiplayer” says Claude Code work can be shared with a teammate who joins from their own Claude Code session. The same day, @zeddotdev posted on X (2115135016233509239; created_at 2026-10-27T17:34:19Z (2026-10-28 01:34 Asia/Shanghai)). This is a Delta / Zed-side capability delivered through Delta’s stack—not an Anthropic official Claude Code update. Related reading: Claude Code or Codex? How Their Prices and Usage Limits Compare.

Beta: Delta CLI + Claude Code plugin

The feature is available in beta through the Delta CLI and Delta’s Claude Code plugin.

How to share and join

In Claude Code, /delta share yields a link for a teammate. The teammate runs /delta join (with that link) in their own Claude Code session to join the shared thread.

What is shared—and what stays separate

The plugin shares the Claude Code conversation and unfinished code changes / worktree through Delta. The CLI keeps files synchronized across machines. Each person still uses their own Claude session, with the shared conversation available as context. Related reading: Anthropic Still Describes Claude Code Limits in Multiples, So Here's What Each Plan Gets.

Collaboration scenarios (per the blog)

Delta’s post describes handing over a task before it is ready for a PR—with context a diff alone would not give—and picking up a thread across time zones. Teams that already use Delta can also bring colleagues who stay in Claude Code into the same thread while others remain in Delta. Those are the blog’s framing points; they have not been measured on this site.

More harnesses, starting with Pi; plugin is open source

Delta says it is building support for more harnesses, starting with Pi, and welcomes community help. The Claude Code plugin is open source and serves as a reference implementation; Delta points to its Build your own plugin guide. To start sharing Claude Code sessions, install the Delta CLI and the Claude Code plugin (follow Delta’s install guidance on the blog / site). Nearby working-directory notes: Why AGENTS.md in Downloads Is Dangerous: Working-Directory Pitfalls for Codex and Claude Code.

Product details can change; Delta’s blog carries the latest wording. For reference only.