A
security-
licenseA
qualityEnables LLMs to interact with web pages, take screenshots, and execute JavaScript in a real browser environment
Last updated -
10
633
264
MIT License
Provides a persistent PowerShell session interface with tools for running commands, managing working directory, and handling environment variables
LmsPs — LM Studio PowerShell MCP Server
A minimal, environment‑driven MCP server that exposes a persistent PowerShell session to LM Studio. It keeps a single pwsh.exe/powershell.exe process alive and offers tools to run commands, manage cwd, and get/set env vars. Responses to the client are trimmed (default 500 chars) while full I/O is logged.
Features
Tools:
ps.run,ps.cd,ps.cwd,ps.reset,ps.env_get,ps.env_setPersistent PowerShell between calls (stateful session)
500‑char response trim to the client; full logs on disk
All paths/config via environment variables (no hardcoded paths)
Install (dev)
cd K:/Repos/LmsPs
python -m venv .venv
. .venv/Scripts/activate # Windows
pip install -e .
Run (stdio)
From WSL (recommended by LM Studio):
bash K:/Repos/LmsPs/scripts/start_ps_mcp_stdio.sh
Or directly (Windows):
python -m lmsps.server
Environment variables
LMSPS_PWSH— PowerShell executable (defaultpwsh.exe, fallbackpowershell.exe)LMSPS_PWSH_FALLBACK— override fallback exe if neededLMSPS_LOGDIR— log directory (default:<repo>/logs)LMSPS_TRIM_CHARS— max characters returned to client (default:500)LMSPS_TIMEOUT_SEC— per‑call timeout in seconds (default:30)
LM Studio configuration example
Add to your LM Studio settings JSON:
{
"mcpServers": {
"lmsps": {
"command": "bash",
"args": ["-lc", "K:/Repos/LmsPs/scripts/start_ps_mcp_stdio.sh"],
"env": {
"LMSPS_PWSH": "/mnt/c/Program Files/PowerShell/7/pwsh.exe",
"LMSPS_LOGDIR": "/mnt/k/LMstudio/LmsPs/logs",
"LMSPS_TRIM_CHARS": "500"
}
}
}
}
Smoke test (from LM Studio)
ps.run→Get-Process | Select-Object -First 3ps.cwd→ should show current locationps.cd→ change to a test directory and re‑runps.cwdps.env_set/ps.env_get→ write/read a temp environment variableRe‑run
ps.runto confirm session persistence
Logs
Full request/response JSON lines are appended to
LMSPS_LOGDIR/lmsps_server.log.
Repo layout
src/lmsps/server.py— MCP server implementationscripts/start_ps_mcp_stdio.sh— stdio launcher (used by LM Studio)logs/— default log directory (overridable viaLMSPS_LOGDIR)
License
MIT
This server cannot be installed
hybrid server
The server is able to function both locally and remotely, depending on the configuration or use case.
Enables interaction with a persistent PowerShell session through LM Studio. Provides tools to run commands, manage directories, and handle environment variables while maintaining session state between calls.
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