Ssl Certificate Checker

Network REST API MCP network tool

Return the TLS certificate details of a public hostname: validity, issuer, subject, expiry and days remaining, protocol, key size, signature algorithm, serial, SHA-256 fingerprint and SANs. The scan can take a while; when status is "in_progress" call again after retry_after_seconds.

This page documents the MCP tool findutils:ssl_certificate_checker. See the REST reference →

This tool fetches a fixed, hard-coded public upstream — never a private host. Results depend on that upstream.

Use in the browser View as Markdown

Call it over MCP

Tool name findutils:ssl_certificate_checker · no API keys · 120 requests/min per IP

Claude Code

claude mcp add findutils --transport http https://mcp.findutils.com/

Claude Desktop — claude_desktop_config.json

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

Raw JSON-RPC (any MCP client) — verified example

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "ssl_certificate_checker",
      "arguments": {
        "domain": "example.com"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
domain	string	yes	Hostname to check, e.g. "example.com". A URL is accepted; only the hostname is used.

Example arguments (verified)

{
  "domain": "example.com"
}

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/ssl-certificate-checker/execute — no key, 60 requests/min.

Open the REST reference for Ssl Certificate Checker →

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