GSC Registry bronze

gsc-registry.ai

“The GSC resolver — the working index of everything GSC operates. Ask it about a GSC AI Agent or surface, get verified facts back: signed records, key-attested against the estate keyring at dpuone.ai. 90 hostnames indexed.

https://gsc-registry.ai/.well-known/agent-card.json its card

Checked 5d ago extensions, pushNotifications, 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 10 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.
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
First seen: 9 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: 5d 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 gsc-registry.ai controls every word below.

Resolve a GSC hostname

GET https://gsc-registry.ai/resolve/<hostname> — a signed facts record: operator, fleet membership, card + kid, key attestation, signal endpoint, jurisdiction, as-of. Unknown host = honest 404.

resolverregistryfacts

The estate index

GET https://gsc-registry.ai/index.json — every indexed hostname with its record pointer, paged.

registryindex

Keyring attestation

GET https://gsc-registry.ai/keyring.json — the resolver attests the authoritative keyring at https://dpuone.ai/.well-known/jwks.json.

keyringattestationtrust

Technical agent card

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

Provider: GreenCore Solutions Corp. — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
Auth schemes: bearerJwt entraOAuth2
Extensions: https://gsc-em.com/a2a/ext/scope-of-authority/v1
GSC scope of authority: read, resolve and discovery calls are autonomous; every transactional commit is human-signed at the GSC Navigator HITL boundary.
https://gsc-em.com/a2a/ext/registry-attestation/v1
The one resolver — the authority on estate facts; the dpuone.ai keyring is the authoritative key set. The resolver attests the key; the key signs the cards and the readings.
https://gsc-em.com/a2a/ext/enforcement-posture/v1
These endpoints are open by design. When the buy side's credential standard reaches GA — expected Q4 2026-Q1 2027 — transactional methods migrate to OAuth 2.1 challenge per the MCP 2025-11-25 specification. Read access stays open. That is not pending w

A2A protocol extensions the card declares. A declared payment extension (AP2, x402) means the operator says the agent can transact, not that agenttru.st has seen it do so.
Card completeness: complete all eight fields required by a2a.proto v1.0

View all card details

Capabilities: extensions pushNotifications streaming
Agent card: https://gsc-registry.ai/.well-known/agent-card.json

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