Scripts (/exec)

Keryx is sandboxed, so /exec runs only what you put in

~/Library/Application Scripts/im.keryx.mac/

— the way macOS lets sandboxed apps run user scripts. Keryx can't write there, so nothing runs that you didn't place yourself.

Command
/exec	Lists your scripts and explains how to start.
/exec name args…	Runs a script and shows its output to you only.
/exec -o name args…	Sends the output to the conversation (asking first if it's long).
/exec -kill	Stops the running script.

Scripts are ordinary executables: a shell script with #!/bin/sh and chmod +x, a Python script, a compiled binary.

Any command, like WeeChat

For /exec <any command>, add a script named sh:

D=~/Library/Application\ Scripts/im.keryx.mac
mkdir -p "$D"
printf '#!/bin/sh\ncd "$HOME" || exit 1\nexec /bin/sh -c "$*"\n' > "$D/sh" && chmod +x "$D/sh"

Then anything that isn't a script name goes to it:

/exec uptime
/exec -o ls -latr

Warning

Whatever you send with -o is public in that conversation. Check the output first with plain /exec.