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crt.sh-skills MCP server · F · ToolBench

crt.sh-skills

A certificate transparency search tool powered by crt.sh. Search CT logs, retrieve certificates by domain, hash, serial number, CA name, and access crt.sh information pages.

2026-07-28+STDIO5 tools

15/100

Definition Quality0

Protocol Readiness0

Supportability49

Spec posture

Inferred effective spec 2026-07-28+·current baseline 2026-07-28

Static source inference · medium confidence

Current-spec patterns detected

Tools (5)

get_caread onlysource verified

Retrieve CA (Certificate Authority) certificate details from crt.sh by CA ID. Returns the CA certificate page content including issuer chain and certificate details.

get_certificateread onlysource verified

Retrieve a specific certificate from crt.sh by its ID. Returns detailed certificate information including issuer, validity dates, and domains.

get_info_pageread onlysource verified

Retrieve information pages from crt.sh such as CT log status, CA disclosures, revoked intermediates, OCSP responders, and Mozilla/Apple/Chrome root program data.

search_censysread onlysource verified

Build a Censys.io certificate search URL equivalent to crt.sh's searchCensys feature. Returns a URL you can open to search Censys.io for the same certificate data. Not all crt.sh search types are supported by Censys (id, ctid, ski, spkisha1, spkisha256, subjectsha1, E are unsupported).

search_certificatesread onlysource verified

Search certificate transparency logs via crt.sh. Returns certificates matching the query. Supports searching by domain name, SHA-256 hash, serial number, CA name, and many other criteria.

Score history

Overall score trend

First recorded score · v2 rubric

15/100

Scored	Grade	Overall	Spec posture	Rubric
2026-09-22	F	15	2026-07-28+	v2