Who it is forA developer running two agent sessions in the same repository at once who needs them to avoid overlapping work.
The problemParallel agent sessions cannot see each other, so they duplicate effort or make conflicting changes.
The outcomeEach agent sees the other as live, sends a message, and the recipient receives it inside its running turn or with the human's next prompt.
What you need first
- macOS or Linux (arm64 or amd64) with a shell
- At least one supported harness CLI installed, such as Claude Code CLI, Codex CLI, Devin CLI, or opencode
- Docker with Compose, only for the team server use case
- A shared team server address and a way to send an invite string over a channel you trust, only for the team server use case
Steps
- Run
curl -fsSL https://flopwire.com/install.sh | shto install the Flopwire binary. - Run
flopwire setupand restart your agent sessions so the plugin tools load. - Run
flopwire agent runand keep it running on this machine. - Run
flopwire peersto list which sessions are live right now. - Run
flopwire send 4c19e0d2 -- "Heads-up: the list endpoint returns a cursor now."to message a live session, replacing the ID and text with your own.
Prompt for your agent
Run `flopwire peers` in the flopwire/flopwire context and list the live sessions on this machine. Send <message text> to the session <session-id> with `flopwire send <session-id> -- "<message text>"`, then confirm the send by checking `flopwire messages` for the outgoing message.
Caveat. Codex needs one-time hook approval before it receives messages, and messages never start a turn in an idle session, so the recipient must be active to see them.
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