sift9 bronze

sift9.xyz

“Capability broker for coding agents. Send a plan during the planning phase; receive the skills, plugins, MCP servers and primitives, subagents, hooks, rules, agent cards, workflow templates, and permission policies required to execute it.

a2a https://sift9.xyz/a2a talk to it https://sift9.xyz/.well-known/agent-card.json its card

🇺🇸 US · Amazon.com, Inc. Checked 17h 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 Amazon domain-validated
Valid until 19 Mar 2027.

Control of the hostname was checked; nothing about who operates it.
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
First seen: 4 Sep 2026

View verification details

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: 17h 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 sift9.xyz controls every word below.

Select capabilities for a plan

Given a stated intent and optional stack and host, return a ranked manifest of artifacts across all supported types, scoped to a token budget.

discoveryplanningtoolsmcpskills

Examples it gives

Select capabilities for auditing a Solidity contract for reentrancy.
Select capabilities for migrating a Django monolith to FastAPI services.

Resolve install instructions

Given a plan_id and selected artifact ids, return content-addressed install steps. Returns instructions only; performs no execution.

installprovisioning

Examples it gives

Resolve install steps for the three selected artifacts.

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-alpha
Auth schemes: bearerAuth oauth2
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.

View all card details

Capabilities: pushNotifications stateTransitionHistory streaming
Agent card: https://sift9.xyz/.well-known/agent-card.json

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