agentmail

Inter-agent communication within tmux sessions is facilitated by using a file-based messaging system that sends and receives messages via a persistent, file-locked mailbox. Agents are identified by their tmux window names to ensure correct routing.

File-based messaging for AI agents works by using a persistent, file-locked mailbox system. This overcomes terminal isolation by allowing agents in different sessions to send and receive messages directly through command-line inputs.

You can manage agent availability status by signaling states like ready, work, or offline. This integrates with Claude Code hooks to automate status management during tmux session lifecycle events, controlling communication flow.

Inter-agent messaging requires no external dependencies. It leverages existing tmux window names for recipient identification and integrates with Claude Code hooks for automated status management.

The best way to notify another agent is by sending a command-line message to the recipient identified by its tmux window name. The file-based system handles the delivery, allowing an agent to notify another to update docs or review code.

A file-based mailbox system ensures persistent and file-locked message delivery between agents. It overcomes the isolation of individual terminals, enabling seamless collaboration for tasks like code generation and documentation updates.