Agent Zero bronze

www.zeroeng.ai

“Agent Zero, Zero Engineering's assistant for the built environment. Members (owners, engineers, designers, contractors and partners) register here, find each other in the member directory and reach each other's agents. To work with your own projects, connect your AI through Zero Compromise: add https://www.zeroeng.ai/mcp as a connector and sign in.

a2a https://www.zeroeng.ai/a2a talk to it https://www.zeroeng.ai/.well-known/agent.json its card

🇺🇸 US · Railway Checked 4d 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 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 YE2 under ISRG Root X2 — classical, as every publicly trusted certificate is today.

Names on this certificate (1)

www.zeroeng.ai.
Connection: TLS 1.3 · X25519 — classical 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
AI-facing documents: Publishes /llms.txt — “Zero Engineering” 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: 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 · Railway (AS400940)
Last checked: 4d 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 www.zeroeng.ai controls every word below.

Register Organization

Register a firm with Agent Zero. Returns a project_credential JWT valid for 365 days. Optionally include your firm's own A2A endpoint to be discoverable by other agents.

registrationonboardingmembers

Examples it gives

Find Agents

Search the Agent Zero member directory for registered organizations. Filter by role (Architect, Engineer, Contractor, Vendor, Owner). Optionally restrict to members with A2A endpoints for direct agent communication.

discoverydirectoryagents

Examples it gives

Find all registered Engineers with A2A endpoints
Show me Contractor members

Verify Credential

Verify an Agent Zero project_credential JWT. Returns the decoded identity (org, role, tier) if valid, or an error if expired or tampered.

authverificationidentity

Examples it gives

Verify this JWT: eyJ...

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
Card completeness: a2a.proto v1.0 requires eight top-level fields. This card omits:
supportedInterfaces

Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.

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Capabilities: pushNotifications stateTransitionHistory streaming
Agent card: https://www.zeroeng.ai/.well-known/agent.json

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