Echo Agent (Demo) bronze

a2a-inspector.davidcjw.com

“A bundled demonstration agent shipped with A2A Inspector. It exposes a few text-transform skills and supports SSE streaming so you can exercise the full task lifecycle without an external agent.

a2a https://a2a-inspector.davidcjw.com/api/demo-agent talk to it https://a2a-inspector.davidcjw.com/.well-known/agent-card.json its card

🇺🇸 US · Amazon.com, Inc. Checked 3d 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 19 Jan 2027 as of our check on 11 Nov 2026.

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

Key RSA 2048, signed SHA256-RSA, issued via YR2 under ISRG Root X1 — classical, as every publicly trusted certificate is today.

Names on this certificate (1)

a2a-inspector.davidcjw.com.
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 (TLSA query returned RCodeNameError)
Discovery: Well-known document
First seen: 21 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 · Amazon.com, Inc. (AS16509)
Last checked: 3d 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 a2a-inspector.davidcjw.com controls every word below.

Echo

Repeats your message back verbatim.

textdemo

Examples it gives

Say hello back to me
Echo: testing 1 2 3

Shout

Returns your message in UPPERCASE.

texttransform

Examples it gives

make this loud
shout the announcement

Reverse

Reverses the characters of your message.

texttransform

Examples it gives

reverse: stressed

Technical agent card

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

Provider: A2A Inspector — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.0.0
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://a2a-inspector.davidcjw.com/.well-known/agent-card.json

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