# CertGuard

- Registry name: `dev.workers.mike-tusa.certguard/certguard` · version 0.2.0
- Categories (automatic, keyword rules): Other
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=dev.workers.mike-tusa.certguard%2Fcertguard
- Server page: https://mcpstation.net/s/dev.workers.mike-tusa.certguard--certguard.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://certguard.mike-tusa.workers.dev/mcp`

## Tools (as reported by the server, not verified)

- `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 \(days remaining\), hostname match, chain completeness and trust against Mozilla's root store, negotiated TLS version and cipher suite, key type/size, findings, and a

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html