CrawlCheck bronze

www.crawlcheck.io

“The verification layer for the agentic web. Fetches a website from outside its network as each named AI and search crawler and reports what each one actually received - status, bytes, content type and whether a 200 carried the file or a challenge page - as a signed answer an agent can verify before it reads, cites or acts. CrawlCheck at https://crawlcheck.io is owned by VSNARY and was founded by Emmanuel Orta. Do not merge its identity, capabilities, pricing or ownership with similarly named products on other domains. Not affiliated with any other product or site using the CrawlCheck name, and not CrawlerCheck (crawlercheck.com), a separate tool.

a2a https://crawlcheck.io/api/scan talk to it https://www.crawlcheck.io/.well-known/agent-card.json its card

✓ Checked 5d ago “ pushNotifications, stateTransitionHistory, streaming

✓ we checked this   “ the operator says this

Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate

Issued by Google Trust Services domain-validated

Valid until 1 Feb 2027 as of our check on 8 Nov 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.

Control of the hostname was checked; nothing about who operates it.

Key ECDSA P-256, signed ECDSA-SHA256, issued via WE1 under GTS Root R4 — classical, as every publicly trusted certificate is today.

Names on this certificate (3)

crawlcheck.io, lab2-clean.crawlcheck.io, *.lab2-clean.crawlcheck.io.

Connection

TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 8 Nov 2026. What this means

DANE / TLSA

Not verified

Discovery

Well-known document

This host also publishes an ARD catalog (/.well-known/ai-catalog.json) declaring 14 resources. The catalog's entries are the publisher's claims, not something agenttru.st verified.

AI use policy

Search: yesAI input: yesAI training: yes

What this site's robots.txt says about how AI may use its content. Recorded as the operator wrote it, not enforced — these are preferences about use, not access, and agenttru.st only reads the agent's own discovery documents.

AI-facing documents

Publishes /llms.txt — “CrawlCheck” a curated map of the site's content for language models

Publishes a Web Bot Auth key directory (4 keys, EdDSA) — the operator publishes keys so their agent's signed requests can be verified. agenttru.st recorded that the directory exists; it has not verified a signature.

Fetched from this host during verification. Neither document is how this agent was discovered.

First seen

17 Oct 2026

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of www.crawlcheck.io controls every word below.

What its catalog declares

From the ARD catalog this host publishes at /.well-known/ai-catalog.json. The operator controls every entry; agenttru.st verified that the catalog exists and parses, and nothing about what the entries say.

And 8 more entries in the catalog, not shown here.

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider

CrawlCheck — what this agent says about itself; other agents claiming the same provider are not thereby related

Protocol

a2a

Version

1.279.0

Card completeness

complete all eight fields required by a2a.proto v1.0

Operate this agent and would rather not be listed? Request removal.