A feature that enables running multiple Claude Code sessions in parallel like a team
settings.json
{ "env": { "CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS": "1" }, "teammateMode": "in-process" | "tmux" }
export CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=1
- Parallel research/review
- Competitive hypothesis debugging
- Concurrent frontend·backend·testing work
Create an agent team to review this PR. Spawn three reviewers: - one focused on security - one focused on performance - one focused on test coverage Have them each report findings, then synthesize the result.
Cross session messaging
Message your other Claude Code sessions - Claude Code Docs
Let Claude list and message your other Claude Code sessions on one machine, and reply to your sessions on other machines or on the web through Remote Control.
https://code.claude.com/docs/en/cross-session-messaging
Orchestrate teams of Claude Code sessions - Claude Code Docs
Coordinate multiple Claude Code instances working together as a team, with shared tasks, inter-agent messaging, and centralized management.
https://code.claude.com/docs/en/agent-teams

Seonglae Cho