Open sourceRust · ≈46k stars · Apache-2.0
herdr
'The runtime your coding agents live on': a persistent, agent-aware terminal multiplexer.
herdr is an Apache-2.0 Rust terminal workspace for coding agents such as Claude Code, Codex, Cursor, OpenCode and Grok. It does not wrap or replace those agents; it owns their terminals. A background server keeps sessions running after the client detaches or SSH drops. After a restart it restores layouts and can resume supported agent sessions. Each pane is marked working, blocked or idle. Agents can drive herdr through a CLI and socket API to spawn panes, prompt each other and wait on blocked peers. It has tmux-style keys, mouse support, multi-machine SSH and plugins.
People
Founder
Creator of herdr
Harness engineering
Neighbours on the workbench
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Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Maintained by · 1
- herdrdevOrganisation
Similar entries · 1
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Sources
Verified Oct 29, 2026