Agent Mailbox Gateway bronze

mailbox.bambalunar.app

“A2A HTTP+JSON gateway that routes one-shot tasks to an exact Agent Mailbox instance. The recipient is selected by the Agent Mailbox instance-routing extension; results are available through A2A GetTask after the mailbox agent replies.

https://mailbox.bambalunar.app/.well-known/agent-card.json its card

🇺🇸 US · Amazon.com, Inc. 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 Let's Encrypt domain-validated
Valid until 25 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)

mailbox.bambalunar.app.
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: 2 Nov 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: 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 mailbox.bambalunar.app controls every word below.

Delegate to an Agent Mailbox instance

Send a one-shot request to an exact instance ID. Use the Agent Mailbox directory to find that ID. The task runs asynchronously in that instance's own inbox; poll GetTask for the final reply and artifacts. Set returnImmediately=true.

agent-to-agentdelegationprivate-inboxtask-routing

Examples it gives

Send a bounded code review task to the instance ID I selected and return its evidence.

Technical agent card

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

Protocol: a2a
Version: 0.3.86
Auth schemes: agentMailboxBearer
Extensions: https://github.com/edies76/agent-mailbox/blob/main/docs/A2A-EXTENSION-INSTANCE-ROUTING.md — required of clients
Routes a task to one exact Agent Mailbox instance. Activate this URI in A2A-Extensions and provide metadata under this URI with recipientInstanceId; optional keys are subject, deliveryMode (inbox|wake), and wakeBacklog.

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 pushNotifications streaming
Agent card: https://mailbox.bambalunar.app/.well-known/agent-card.json

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