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Herdr - A tmux-style Terminal Workspace for the AI Agent Era

·2026.05.22 02:03

Key point

Herdr was introduced as a terminal workspace that manages AI coding agents in one place.

Details

Herdr was introduced as an agent-native workspace manager that runs inside the terminal.

Like tmux, it supports detach/reattach of sessions, and it also offers pane splitting and SSH environment support, preserving existing terminal workflows.

The core focus is on running multiple AI coding agents at the same time.

  • Manage multiple agents like Claude Code, Codex, and OpenCode in parallel
  • Automatically detect each agent's status as working / blocked / done
  • View the progress of multiple agents at a glance in the sidebar
  • Agents can automate creating panes, running commands, and checking output directly

It's implemented not as an Electron GUI but as a single Rust-based binary, making it lightweight, and it works as-is with existing terminal environments like Ghostty, iTerm, and Kitty.

It also provides a CLI and a Socket API, enabling broader automation of agent-centric workflows.

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