Herdr

Herdr is a persistent terminal runtime that keeps coding agents like Claude Code and Codex running across machines even

DevTools · AI / ML Live product
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10/19/2026

The Problem

Developers who run multiple coding agent CLIs (Claude Code, Codex, Cursor, opencode, Grok and others) today run each one in its own terminal tied to a single machine and session. Close the laptop lid, lose the network, or switch devices, and the agent's session is gone or inaccessible. With several agents running across several projects at once, it becomes hard to tell which one is still working, which is idle, and which is stuck waiting for an answer, so people end up checking panes one by one to find the one that needs them.

The Solution

Herdr runs as a background server that hosts agent terminals inside 'workspaces' and 'agent spaces,' keeping sessions alive independent of any connected client; closing the lid or restarting the machine does not kill the agents, and Herdr restores the layout and resumes sessions afterward. It reads every pane and labels each agent as working, blocked or idle so a stuck agent is visible without hunting through panes. The CLI and socket API are agent-native, letting agents split panes, start each other and wait on each other directly. Machines can be added over SSH so workspaces and agents on a laptop, desktop or rented server all sit in one view, and the tool installs as a single Apache-2.0-licensed binary for macOS, Linux and Windows without wrapping or replacing the underlying agent CLIs. A separate 'Herdr Cloud' option to connect machines without SSH setup is described as coming soon, with a waitlist.