Uptime MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 56 installs a week from npm.
Check website availability, latency, and TLS certificate expiry locally. No key required.
The linked repository no longer exists on GitHub — it was deleted or made private.
Quiet is not dead — but it is worth knowing when it wakes up, or when someone else takes it over. We watch the repository and tell you either way.
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 uptime-mcp -- npx -y uptime-mcp
{
"mcpServers": {
"uptime-mcp": {
"command": "npx",
"args": [
"-y",
"uptime-mcp"
]
}
}
}
[mcp_servers.uptime-mcp]
command = "npx"
args = ["-y", "uptime-mcp"]
{
"mcpServers": {
"uptime-mcp": {
"command": "npx",
"args": [
"-y",
"uptime-mcp"
]
}
}
}
{
"servers": {
"uptime-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"uptime-mcp"
]
}
}
}
Inspect TLS certificates of a host: issuer, expiry, and SAN. No key required.
Certificate transparency lookups from Cert Spotter. No key required.
Check a site's TLS certificate and its domain registration expiry. Read-only, no sign-in.
Decode PEM certificates, check expiry and inspect a live TLS certificate, all offline
Check existing content grants and expiry. No content fetching. Customer key required.
Endpoint conditions, latency and TLS checks - no API key.
List bike share networks and live station availability from CityBikes. No key required.
Uptime, TLS and DNS checks for any website - no API key.
Answers built from our own checks of this server.