Run a shell command on the local host and return its combined output.

Timeout and output size are clamped to the server limits. Set use_shell=false to exec an argv without a shell.

Run a multi-line script (bash/sh/python) fed on stdin.

With strict and a shell interpreter, set -euo pipefail is prepended so failures abort early.

Start a persistent local PTY session; returns a session id.

Drive it with session_send / session_recv.

Run a command on a remote host over SSH and return its output.

host may be an inventory/ssh_config alias or user@host. known_hosts is strict | accept-new | ignore.

Open a persistent interactive PTY on a remote host; returns a session id.

Send input to a session (local or SSH). enter appends a newline.

Read buffered/new output from a session, waiting up to timeout seconds.

Resize a session's PTY.

Signal a session and (by default) close and reap it.

List active sessions with size, age, idle, and byte counters.

Upload a file or tree to a remote host via SFTP.

Download a file or tree from a remote host via SFTP.

Create a port forward.

Spec: L:lport:dhost:dport (local), R:rport:dhost:dport (remote), or D:lport (dynamic SOCKS).

List active SSH port forwards.

Close an SSH port forward by id.

Probe connectivity to the given hosts (or the whole inventory).

Show the resolved host inventory (ssh_config + inventory file).

Report version, effective limits, policy mode, and audit status.