dev.workers.mike-tusa.certguard/certguard
CertGuard
Free SSL/TLS certificate checker: expiry, chain trust, hostname match, TLS version, A/B/C/F grade.
alive probed 2026-10-10 · HTTP 200
1tools
539tokens in Claude Opus 5.5
547tokens in Claude Code
0.3 %of a 200k context window
329o200k_base estimate
599 msto initialize
282 msto list tools
- Endpoint
- https://certguard.mike-tusa.workers.dev/mcp (streamable-http)
- Host
- certguard.mike-tusa.workers.dev
- Protocol
- 2025-11-25
- Reports itself as
- certguard 0.2.0
- Capabilities
- tools
- Instructions
- 845 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-10. Counted again when the tool definitions change. Method.
- Website
- https://certguard.mike-tusa.workers.dev/
- Registry
- active, updated 2026-10-09 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| check_certificate | 329 | 100 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.workers.mike-tusa.certguard/certguard)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.