Simplisafe MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 201 installs a week from npm. Last commit 27 Oct 2026.
Check SimpliSafe system state and sensors, review events, arm/disarm, and control smart locks
Nothing serious here today
Today is the operative word: we check Simplisafe MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add simplisafe-mcp -e 'SIMPLISAFE_REFRESH_TOKEN=<SIMPLISAFE_REFRESH_TOKEN>' -- npx -y simplisafe-mcp{
"mcpServers": {
"simplisafe-mcp": {
"command": "npx",
"args": [
"-y",
"simplisafe-mcp"
],
"env": {
"SIMPLISAFE_REFRESH_TOKEN": "<SIMPLISAFE_REFRESH_TOKEN>"
}
}
}
}[mcp_servers.simplisafe-mcp]
command = "npx"
args = ["-y", "simplisafe-mcp"]
env = { SIMPLISAFE_REFRESH_TOKEN = "<SIMPLISAFE_REFRESH_TOKEN>" }{
"mcpServers": {
"simplisafe-mcp": {
"command": "npx",
"args": [
"-y",
"simplisafe-mcp"
],
"env": {
"SIMPLISAFE_REFRESH_TOKEN": "<SIMPLISAFE_REFRESH_TOKEN>"
}
}
}
}{
"servers": {
"simplisafe-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"simplisafe-mcp"
],
"env": {
"SIMPLISAFE_REFRESH_TOKEN": "<SIMPLISAFE_REFRESH_TOKEN>"
}
}
}
}Put your own value in place of
<SIMPLISAFE_REFRESH_TOKEN> (OAuth refresh token from the one-time browser login (scripts/bootstrap-auth.mjs)).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
SIMPLISAFE_TOKEN_CACHE (Set to false to disable the on-disk token cache and re-authenticate on every process start. Defaults to enabled), SIMPLISAFE_TOKEN_FILE (Absolute path for the token cache file. Defaults to $MCP_DATA_DIR/.simplisafe-mcp/token.json).
Alternatives to Simplisafe MCP
same job, measured the same wayControl SmartRent smart home devices (locks, thermostat, switches, sensors) via Claude
Home Assistant control: entity states, services, history, config, templates, and events.
Create PDF contracts, send signing links and check signature status with CanUSign e-signatures.
Standing review layer for coding agents: Claude, GPT and Gemini debate, return consensus + dissent.
Local checks for artifacts, declared claim evidence, and citation containment.
Check and control Hive smart heating: thermostats, radiator valves, hot water and holiday mode
Local completion-contract checks and release receipts.
Code review for diffs: rule-based checks for leaked secrets, unsafe migrations and more.
Simplisafe MCP — questions
Answers built from our own checks of this server.