`client`

Timing and scale

Function	Returns
`client.fps()`	Current FPS
`client.millis()`	Wall-clock time in milliseconds
`client.tick_delta()`	Progress between ticks, `0..1`, for smooth motion between them
`client.scale()`	DPI scale factor, relative to a 1920px base

Sound and clipboard

Function	Does
`client.play_sound(id[, volume[, pitch]])`	Plays a sound locally, e.g. `"minecraft:ui.button.click"`
`client.clipboard()`	Reads the system clipboard
`client.set_clipboard(s)`	Replaces it

`kawaki`

Function	Does
`kawaki.log(msg)`	Writes to the game log, prefixed with the script name
`kawaki.script`	File name of the running script

Standard libraries

math, string, table, bit32, coroutine, os and io are available; require and package are not. dofile/loadfile resolve relative to the scripts folder. io paths resolve relative to the game directory and must stay inside the scripts folder (config/kawaki/scripts/); anything else fails to open. io.popen is not available, and os only has clock, date, difftime and time.