SSL Certificate Check
https://powmcp.com/ssl-certificate-check/mcp ↗
Description
Inspect one endpoint's served certificate, expiry, hostname coverage, and accepted TLS versions.
What our measurements say
SSL Certificate Check is a remote MCP server published at powmcp.com. It has been probed 7 times since 9/12/2026. It answered in 7 of them (100.0%), a near-uninterrupted record. Median response time is 373 ms, placing it among the faster endpoints. It offers a narrow, focused set of 1 tools. On the protocol side it speaks the 2026-07-28 stateless spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Clear parameter definition with required 'url' field
- Explicit TLS version support reporting (TLS 1.3 to SSLv3)
Weaknesses
- Tool name 'ssl_check' is generic and could be more descriptive
- Description lacks explicit use case scenarios
- No documentation on error handling for invalid URLs or unsupported protocols
ssl_check— Tool name could be more specific about certificate inspection focusssl_check— Description doesn't clearly state when to use this tool vs similar toolsssl_check— No mention of certificate expiry or hostname validation in parameter documentation
Verdict
Event narrative
Risk: low
Advice
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test not run this round
- Cold-start: cold 123ms → warm 131ms (penalty 0ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
ssl_checkOpens its own TLS handshakes to one public host with openssl, using the URL's explicit port or 443 by default, and reports what they establish: which of TLS 1.3, TLS 1.2, TLS 1.1, TLS 1.0 and SSLv3 the server accepts, a protocol-support grade, and the certificate the server actually serves (subject, issuer, covered hostnames, hostname match, and validity dates). Reach for it on padlock, HTTPS, 'Not Secure', certificate-expiry and wrong-hostname questions, and to inspect which certificate is served after a renewal on the probed endpoint; this does not verify every load-balanced node. It does not fetch the page or establish whether plain HTTP is actually served or redirected, and it is not a browser trust decision: no chain-of-trust build, no revocation check, no cipher-suite inspection. Mea
urlstringrequired
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Dual-era
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[](https://mcpmetrics.io/servers/com-powmcp-ssl-certificate-check)<a href="https://mcpmetrics.io/servers/com-powmcp-ssl-certificate-check"><img src="https://mcpmetrics.io/badge/com.powmcp/ssl-certificate-check/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
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