dev.workers.mike-tusa.certguard/certguard

up checked 2026-11-11T03:38:09.404Z

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Publisher-provided title

CertGuard

Publisher-provided description

Free SSL/TLS certificate checker: expiry, chain trust, hostname match, TLS version, A/B/C/F grade.

Summary by lookupd

Runs a live TLS handshake on a host and port, returning certificate expiry, chain trust, hostname match and a letter grade.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http certguard https://certguard.mike-tusa.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add certguard --url https://certguard.mike-tusa.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "certguard": {
      "url": "https://certguard.mike-tusa.workers.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (1 tools)

Publisher-provided text

• check_certificate Run a live TLS handshake against host:port and audit the certificate the server presents. Returns an A/B/C/F grade and summary, expiry (days remaining), hostnam

Details

• Version: 0.3.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 267 ms
• First indexed: 2026-11-01T09:01:59.391Z
• Last seen in registry: 2026-11-01T16:17:14.698Z
• Website: https://certguard.mike-tusa.workers.dev/

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