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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.113 Home All releases olderv2.1.112 v2.1.114newer
Claude Code v2.1.113

Daemon Backend for Background Agents

What

A new backend configuration option that lets background agents run via a daemon process instead of tmux.

Usage

Configure in settings:

{
  "backend": "daemon"
}
Details
  • Two supported values: "tmux" (default) and "daemon"
  • When set to "daemon", background agent sessions use a detached daemon process instead of creating tmux panes
  • Tmux remains the default; the daemon option provides an alternative for environments where tmux is not available or not desired
  • Related: new autoAddRemoteControlDaemonWorker setting for automatically configuring daemon workers
Evidence

Backend schema definition (search for backend: E.enum(["tmux", "daemon"]))

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.113 →