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#compdef lms
# ZSH completion for LM Studio's `lms` CLI.
#
# Based on obeone's original script:
# https://gist.github.com/obeone/e090762d683f1e666caf12902aa74c75
# Extended to cover the current (2026) command surface per
# https://lmstudio.ai/docs/cli, including: chat, get, import, runtime,
# daemon, link, clone, dev, login, push.
#
# Two-level command groups (server, log, daemon, link, runtime) use a
# nested `_arguments -C` dispatch so completion correctly advances past
# the group name to the actual subcommand's flags, instead of re-offering
# the subcommand list forever (e.g. `lms log stream <tab>` repeating
# `stream` instead of completing --source/--filter/etc).
#
# Installation:
# Place this file (named exactly `_lms`) in a directory on your $fpath,
# e.g. /opt/homebrew/share/zsh/site-functions, then run:
# rm -f ~/.zcompdump && compinit
# Fetch downloaded model paths from `lms ls --json`
function _fetch_models_from_lms_ls {
local -a model_paths
model_paths=("${(@f)$(lms ls --json 2>/dev/null | jq -r '.[].path' 2>/dev/null)}")
_describe -t models 'available models' model_paths
}
# Fetch identifiers of models currently loaded, from `lms ps --json`
function _fetch_loaded_models_from_lms_ps {
local -a model_identifiers
model_identifiers=("${(@f)$(lms ps --json 2>/dev/null | jq -r '.[].identifier' 2>/dev/null)}")
_describe -t models 'loaded models' model_identifiers
}
function _lms {
local -a commands
local -a options
_arguments -C \
'1: :->command' \
'*:: :->option'
case $state in
command)
commands=(
'chat:Start an interactive chat with a model'
'get:Search and download models'
'import:Import a model file into LM Studio'
'load:Load a model'
'unload:Unload a model'
'ls:List the models available on disk'
'ps:List the models currently loaded in memory'
'server:Commands for managing the local server'
'log:Log incoming and outgoing messages'
'runtime:Manage and update the inference runtime'
'daemon:Manage the headless llmster daemon'
'link:Manage LM Link'
'clone:Clone an artifact from LM Studio Hub to a local folder'
'push:Uploads the artifact in the current folder to LM Studio Hub'
'dev:Starts a plugin dev server in the current folder'
'login:Authenticate with LM Studio Hub'
)
_describe -t commands 'lms subcommands' commands
;;
option)
case $words[1] in
chat)
options=(
'-p[Send a one-off prompt and print the response to stdout]:prompt:'
'--prompt[Send a one-off prompt and print the response to stdout]:prompt:'
'-s[Custom system prompt for the chat]:system prompt:'
'--system-prompt[Custom system prompt for the chat]:system prompt:'
'--stats[Show detailed prediction statistics after each response]'
'--ttl[Seconds to keep the model loaded after the chat ends]:seconds:'
'--help[Show help]'
'*:model:_fetch_models_from_lms_ls'
)
_arguments $options
;;
get)
options=(
'--mlx[Include only MLX models in search results]'
'--gguf[Include only GGUF models in search results]'
'-n[Limit the number of model options shown]:limit:'
'--limit[Limit the number of model options shown]:limit:'
'--always-show-all-results[Always prompt to choose from search results]'
'-a[Always prompt to choose a quantization]'
'--always-show-download-options[Always prompt to choose a quantization]'
'--help[Show help]'
'*:model name:'
)
_arguments $options
;;
import)
options=(
'--user-repo[Set the target folder as <user>/<repo>]:user/repo:'
'-y[Skip confirmations and infer model location from file name]'
'--yes[Skip confirmations and infer model location from file name]'
'-c[Copy the file instead of moving it]'
'--copy[Copy the file instead of moving it]'
'-L[Create a hard link instead of moving or copying]'
'--hard-link[Create a hard link instead of moving or copying]'
'-l[Create a symbolic link instead of moving or copying]'
'--symbolic-link[Create a symbolic link instead of moving or copying]'
'--dry-run[Do not perform the import, just show what would be done]'
'--help[Show help]'
'*:model file:_files'
)
_arguments $options
;;
load)
options=(
'--ttl[Unload after this many seconds of inactivity]:seconds:'
'--gpu[GPU offload level]:GPU level:(off auto max)'
'--context-length[Number of tokens to consider as context]:context length:'
'--identifier[Identifier to assign to the loaded model]:identifier:'
'--estimate-only[Print a memory estimate and exit without loading]'
'--host[Host address of a remote LM Studio instance]:host:'
'--help[Show help]'
'*:model path:_fetch_models_from_lms_ls'
)
_arguments $options
;;
unload)
options=(
'--all[Unload all currently loaded models]'
'--host[Host address of a remote LM Studio instance]:host:'
'--help[Show help]'
'*:model identifier:_fetch_loaded_models_from_lms_ps'
)
_arguments $options
;;
ls)
options=(
'--llm[Show only LLM models]'
'--embedding[Show only embedding models]'
'--json[Output in JSON format]'
'--detailed[Show detailed information]'
'--host[Host address of a remote LM Studio instance]:host:'
'--help[Show help]'
)
_arguments $options
;;
ps)
options=(
'--json[Output in JSON format]'
'--host[Host address of a remote LM Studio instance]:host:'
'--help[Show help]'
)
_arguments $options
;;
clone)
options=(
'--help[Show help]'
':artifact (owner/name):'
':destination path:_files -/'
)
_arguments $options
;;
push)
options=(
'--description[Override the artifact description for this push]:description:'
'--overrides[JSON string to override manifest fields]:json:'
'-y[Suppress confirmations and warnings]'
'--yes[Suppress confirmations and warnings]'
'--private[Mark the artifact as private when first published]'
'--write-revision[Write the returned revision number to manifest.json]'
'--help[Show help]'
)
_arguments $options
;;
dev)
options=(
'-i[Install the plugin into LM Studio instead of running the dev server]'
'--install[Install the plugin into LM Studio instead of running the dev server]'
'--no-notify[Do not show the "Plugin started" notification]'
'--help[Show help]'
)
_arguments $options
;;
login)
options=(
'--with-pre-authenticated-keys[Authenticate using pre-generated keys (CI/CD)]'
'--key-id[Key ID to use with --with-pre-authenticated-keys]:key id:'
'--public-key[Public key to use with --with-pre-authenticated-keys]:public key:'
'--private-key[Private key to use with --with-pre-authenticated-keys]:private key:'
'--help[Show help]'
)
_arguments $options
;;
# --- Two-level command groups: nested dispatch ---
# Each group re-invokes `_arguments -C` so $words[1] inside the
# nested case correctly refers to the *subcommand* (e.g. "start",
# "stream"), not the group name. Without this, completion never
# advances past the group and just repeats the subcommand list.
server)
local -a subcommands
local -a sub_options
_arguments -C \
'1: :->subcommand' \
'*:: :->subcommand_option'
case $state in
subcommand)
subcommands=(
'start:Starts the local server'
'status:Displays the status of the local server'
'stop:Stops the local server'
)
_describe -t commands 'lms server subcommands' subcommands
;;
subcommand_option)
case $words[1] in
start)
sub_options=(
'--port[Port to run the server on]:port:'
'--cors[Enable CORS support]'
'--bind[Network address to bind the server to]:bind address:(127.0.0.1 0.0.0.0)'
'--help[Show help]'
)
_arguments $sub_options
;;
status)
sub_options=(
'--json[Output the status in JSON format]'
'--verbose[Enable verbose logging]'
'--quiet[Suppress all logging]'
'--log-level[Specify log level]:log level:(debug info warning error)'
'--help[Show help]'
)
_arguments $sub_options
;;
stop)
sub_options=('--help[Show help]')
_arguments $sub_options
;;
esac
;;
esac
;;
log)
local -a subcommands
local -a sub_options
_arguments -C \
'1: :->subcommand' \
'*:: :->subcommand_option'
case $state in
subcommand)
subcommands=('stream:Stream logs from LM Studio')
_describe -t commands 'lms log subcommands' subcommands
;;
subcommand_option)
case $words[1] in
stream)
sub_options=(
'-s[Source of logs]:source:(model server)'
'--source[Source of logs]:source:(model server)'
'--stats[Print prediction stats when available]'
'--filter[Filter for model source]:filter:(input output)'
'--json[Output logs as JSON]'
'--help[Show help]'
)
_arguments $sub_options
;;
esac
;;
esac
;;
daemon)
local -a subcommands
local -a sub_options
_arguments -C \
'1: :->subcommand' \
'*:: :->subcommand_option'
case $state in
subcommand)
subcommands=(
'up:Start llmster'
'down:Stop llmster'
'status:Check whether llmster is running'
'update:Update llmster to the latest version'
)
_describe -t commands 'lms daemon subcommands' subcommands
;;
subcommand_option)
case $words[1] in
up)
sub_options=(
'--json[Output the result in JSON format]'
'--help[Show help]'
)
_arguments $sub_options
;;
down)
sub_options=('--help[Show help]')
_arguments $sub_options
;;
status)
sub_options=(
'--json[Output the status in JSON format]'
'--help[Show help]'
)
_arguments $sub_options
;;
update)
sub_options=(
'--beta[Update to the latest beta release]'
'--help[Show help]'
)
_arguments $sub_options
;;
esac
;;
esac
;;
link)
local -a subcommands
local -a sub_options
_arguments -C \
'1: :->subcommand' \
'*:: :->subcommand_option'
case $state in
subcommand)
subcommands=(
'enable:Enable LM Link on this device'
'disable:Disable LM Link on this device'
'status:Check LM Link connection status and see connected peers'
'set-device-name:Rename this device on LM Link'
'set-preferred-device:Set the preferred device for model resolution'
)
_describe -t commands 'lms link subcommands' subcommands
;;
subcommand_option)
case $words[1] in
enable)
sub_options=('--help[Show help]')
_arguments $sub_options
;;
disable)
sub_options=('--help[Show help]')
_arguments $sub_options
;;
status)
sub_options=(
'--json[Output the status in JSON format]'
'--help[Show help]'
)
_arguments $sub_options
;;
set-device-name)
sub_options=(
'--help[Show help]'
':device name:'
)
_arguments $sub_options
;;
set-preferred-device)
sub_options=(
'--help[Show help]'
':device identifier:'
)
_arguments $sub_options
;;
esac
;;
esac
;;
runtime)
local -a subcommands
local -a sub_options
_arguments -C \
'1: :->subcommand' \
'*:: :->subcommand_option'
case $state in
subcommand)
subcommands=(
'ls:List installed runtimes'
'get:Download a runtime'
'select:Set the active runtime'
'remove:Uninstall a runtime'
'update:Update an installed runtime'
)
_describe -t commands 'lms runtime subcommands' subcommands
;;
subcommand_option)
sub_options=('--help[Show help]')
_arguments $sub_options
;;
esac
;;
esac
;;
esac
}
_lms