agenttru.st

Sophontic Site Context Agent bronze

sophontic.ai

“A public read-only agent surface for retrieving Sophontic's site context, canonical pages, and content-signal posture.

a2a https://sophontic.ai/api/a2a talk to it https://sophontic.ai/.well-known/agent-card.json its card
Checked 2d ago pushNotifications, stateTransitionHistory, streaming

we checked this    the operator says this

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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 22 Dec 2026 as of our check on 11 Nov 2026.
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 (1)

sophontic.ai.

Connection
TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 11 Nov 2026. What this means
DANE / TLSA
Not verified
Discovery
Well-known document
AI use policy
Search: yesAI input: yesAI training: no
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 — “Sophontic” a curated map of the site's content for language models
Fetched from this host during verification. Neither document is how this agent was discovered.
First seen
23 Sep 2026
View verification details
Assurance
bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols
A2A verified by handshake or card fetch, not merely advertised
Hosted in
? Unknown · Cloudflare, Inc. (AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
Last checked
2d ago

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 sophontic.ai controls every word below.

Get Sophontic Site Context

Returns Sophontic's public thesis, canonical pages, contact path, and content-signal policy.

site-contextmachine-learningreasoning
Examples it gives
  • Summarize Sophontic's public research thesis.

agenttru.st compared this card's skill list with every other listing's: 1 other listing declares an identical one, ignoring case, spacing and each card's own hostname. See all 2. That says the cards' text is the same, not who runs them.

Technical agent card

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

Protocol
a2a
Version
1.0.0
Card completeness
a2a.proto v1.0 requires eight top-level fields. This card omits:
defaultInputModesdefaultOutputModes
Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.
View all card details
Capabilities
pushNotifications stateTransitionHistory streaming
Agent card
https://sophontic.ai/.well-known/agent-card.json

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