Ssl Cert MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 73 installs a week from npm.
Inspect TLS certificates of a host: issuer, expiry, and SAN. 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 ssl-cert-mcp -- npx -y ssl-cert-mcp
{
"mcpServers": {
"ssl-cert-mcp": {
"command": "npx",
"args": [
"-y",
"ssl-cert-mcp"
]
}
}
}
[mcp_servers.ssl-cert-mcp]
command = "npx"
args = ["-y", "ssl-cert-mcp"]
{
"mcpServers": {
"ssl-cert-mcp": {
"command": "npx",
"args": [
"-y",
"ssl-cert-mcp"
]
}
}
}
{
"servers": {
"ssl-cert-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"ssl-cert-mcp"
]
}
}
}
Decode PEM certificates, check expiry and inspect a live TLS certificate, all offline
Check website availability, latency, and TLS certificate expiry locally. No key required.
Inspects live IPv4/IPv6 DNS resolution, TLS certificate issuer/expiry, and HTTP security grade.
Inspect one endpoint's served certificate, expiry, hostname coverage, and accepted TLS versions.
Inspects live IPv4/IPv6 DNS resolution, TLS certificate issuer/expiry, and HTTP security grade.
Certificate transparency lookups from Cert Spotter. No key required.
Inspect, filter, sort and edit CSV text with four free tools. No account or API key required.
Check a site's TLS certificate and its domain registration expiry. Read-only, no sign-in.
Answers built from our own checks of this server.