tmux

manage concurrent processes (servers, builds, watchers) in tmux windows.

verify

echo $TMUX        # non-empty if inside tmux
tmux list-windows # show current windows

spawn a process

tmux new-window -n "name" -d
tmux send-keys -t "name" "command" C-m

or combined:

tmux new-window -n "name" -d ';' send-keys -t "name" "command" C-m

inspect output

tmux capture-pane -p -t "name"         # visible screen
tmux capture-pane -p -S - -t "name"    # full scrollback

control

tmux send-keys -t "name" C-c           # interrupt (ctrl+c)
tmux kill-window -t "name"             # terminate
tmux select-window -t "name"           # switch to

agent spawning

for spawning amp/claude agents with thread linkage, use the spawn skill.