Check SSL certificate and domain expiry for any site, see plans, and get a monitoring sign-up link.
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Look up a website's SSL certificate expiry (date, days left, issuer), domain registration expiry (date, days left, registrar) and current HTTP status. Use when someone asks when a site's certificate or domain expires, who issued it, or whether the site is up. "warn" means expiring within 30 days, "bad" means expired or down. Results are cached for 15 minutes; fresh lookups are limited to 15 per 10 minutes.
Hostname or URL, e.g. example.com or https://www.example.com/page
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http steadysite https://steadysite.dev/mcp
Look up a website's SSL certificate expiry (date, days left, issuer), domain registration expiry (date, days left, registrar) and current HTTP status. Use when someone asks when a site's certificate or domain expires, who issued it, or whether the site is up. "warn" means expiring within 30 days, "bad" means expired or down. Results are cached for 15 minutes; fresh lookups are limited to 15 per 10 minutes.
| Argument | Type | Description |
|---|---|---|
| domain* | string | Hostname or URL, e.g. example.com or https://www.example.com/page |
{
"type": "object",
"required": [
"domain"
],
"properties": {
"domain": {
"type": "string",
"maxLength": 300,
"description": "Hostname or URL, e.g. example.com or https://www.example.com/page"
}
},
"additionalProperties": false
}Return SteadySite plans (Free, Pro, Agency): monthly price in USD, monitors, check interval, client groups with their own branded reports and status pages, white-label, and whether paid checkout is open. Use when someone asks what SteadySite costs or which plan fits.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Return a sign-up link that starts SteadySite monitoring (uptime, SSL expiry and domain expiry email alerts, monthly client report) for a domain. The person opens the link, signs in with their email (free plan, no credit card) and the domain is pre-filled. Nothing is created until they confirm.
| Argument | Type | Description |
|---|---|---|
| domain* | string | Hostname or URL, e.g. example.com or https://www.example.com/page |
{
"type": "object",
"required": [
"domain"
],
"properties": {
"domain": {
"type": "string",
"maxLength": 300,
"description": "Hostname or URL, e.g. example.com or https://www.example.com/page"
}
},
"additionalProperties": false
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 9, 2026.