Nucleus Studio bronze

nucleus.coproduct.one

“Development goal-coordination service. Authenticate to discover workspace goals. Production application deployment is not yet available.

https://nucleus.coproduct.one/.well-known/agent-card.json its card

🇺🇸 US · Google LLC Checked 6d ago extensions

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 Let's Encrypt domain-validated
Valid until 7 Jan 2027 as of our check on 9 Nov 2026.

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

Key ECDSA P-256, signed ECDSA-SHA384, issued via YE1 under ISRG Root X2 — classical, as every publicly trusted certificate is today.

Names on this certificate (1)

nucleus.coproduct.one.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 9 Nov 2026. What this means
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
First seen: 12 Oct 2026

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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: 🇺🇸 US · Google LLC (AS396982)
Last checked: 6d 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 nucleus.coproduct.one controls every word below.

Durable goal coordination

Discover, claim, renew and checkpoint authorized goals. Evidence submission does not confer release authority.

goalhandoffevidence

Technical agent card

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

Protocol: a2a
Version: 0.1.0
Auth schemes: agent
Extensions: https://coproduct.one/a2a/ext/goal-contract/v1 — required of clients
https://coproduct.one/a2a/ext/guest-sandbox/v1

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

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Capabilities: extensions
Agent card: https://nucleus.coproduct.one/.well-known/agent-card.json

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