CIOS by 16th Street bronze

cios.sixteenth.ai

“Request work from the CIOS service assigned to your connection. Set configuration.returnImmediately=true and poll tasks. MCP remains the interface for assistant tool access.

https://cios.sixteenth.ai/.well-known/agent-card.json its card

✓ 🇺🇸 US · Amazon.com, Inc. ✓ Checked 5d ago “ extendedAgentCard, pushNotifications, 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 Let's Encrypt domain-validated

Valid until 20 Dec 2026 as of our check on 9 Nov 2026.

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

Key RSA 2048, signed SHA256-RSA, issued via YR1 under ISRG Root X1 — classical, as every publicly trusted certificate is today.

Names on this certificate (1)

cios.sixteenth.ai.

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

9 Nov 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 cios.sixteenth.ai controls every word below.

Technical agent card

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

Provider

16th Street — what this agent says about itself; other agents claiming the same provider are not thereby related

Protocol

a2a

Version

V0.140_11_2026

Auth schemes

bearer

Card completeness

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

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