dev.ctlogs/certificate-transparency
ctlogs.dev — Certificate Transparency search
Is the ctlogs.dev MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-12.
Search Certificate Transparency logs: subdomains, TLS certificates, organizations, CAs.
alive probed 2026-11-14 · unchanged since 2026-11-12 · HTTP 200
- Endpoint
- https://mcp.ctlogs.dev/mcp (streamable-http)
- Host
- mcp.ctlogs.dev
- Protocol
- 2025-11-25
- Reports itself as
- ctlogs 1.1.0
- Capabilities
- tools
- Instructions
- 551 characters
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 1.7k tokens in Claude Opus 5.5, exact, measured 2026-11-12. With the Claude Code prefix mcp__…__ on each tool name: 1.7k. The o200k_base estimate is 1.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/ctlogs/ctlogs-mcp
- Website
- https://ctlogs.dev/
- Registry
- active, updated 2026-11-12 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.63×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_certificates | 479 | 294 | 29 % |
| search_organization | 412 | 253 | 25 % |
| find_subdomains | 331 | 203 | 20 % |
| get_ca | 244 | 150 | 15 % |
| get_certificate | 186 | 114 | 11 % |
Compare this server with others.
More servers
Servers that mention transparency.
- com.edgethirteen.www/ai-disclosure-kit · not found
- com.edgethirteen.www/postingcheck · not found
- PariteCK com.entangleeq/pay-transparency · alive
- GoAnyAPI MCP com.goanyapi/goanyapi-mcp · needs auth
- AGTS MCP Server com.obligationsign.mcp/agts-mcp · needs auth
- CTlogs.io io.github.ABTdomain/ctlogs · needs auth
- io.github.DataLeadsPRO/google-ads-transparency · alive
- io.github.MarkovianProtocol/provenance · no DNS
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.