A2A-VECTOR bronze

a2a-vector.ai

“A2A-VECTOR is the skill an AI agent installs to trade on GreenCore Solutions Corp.'s A2A hubs: A2A Grocery, A2A Cosmetics, A2A Peptides and A2A Retailmedia. Six steps: Verified (jurisdiction, actor, gate), Exchange (x402), Confirmed (fetch_gtin on gtinfetch.ai: products confirmed by their barcode, 84.1M GTINs, live on MCP; confidence confirmed · seen · unknown, with source pages), Traffic (live volume), Open-to-place (on the record, open to every buying agent and media placement agent; search, qualify, price, order) and Retail media. 353,532 makers, 8,619 retail banners, 1,973,447 points of sale, 20 markets. Runs on OAuth 2.1, Model Context Protocol (MCP), Agent-to-Agent (A2A) and x402. Artificial intelligence makes mistakes. GSC hubs are agentic information sources, not recommendations. No ads, ever. No rank for sale. Trade only.

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

Checked 10d 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 Google Trust Services domain-validated
Valid until 9 Jan 2027 as of our check on 4 Nov 2026.

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

Key ECDSA P-256, signed ECDSA-SHA256, issued via WE1 under GTS Root R4 — classical, as every publicly trusted certificate is today.

Names on this certificate (1)

a2a-vector.ai.
Connection: TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 4 Nov 2026. What this means
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
AI-facing documents: Publishes /llms.txt — “A2A-VECTOR — the Agent Skill for the agentic grocery marketplace · https://a2a-vector.ai” 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: 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: ? Unknown · Cloudflare, Inc. (AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
Last checked: 10d 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-vector.ai controls every word below.

A2A-VECTOR

Trade on GSC's agentic grocery marketplace in six steps; the C step confirms each product by its barcode with fetch_gtin on gtinfetch.ai.

agentic-commerceretail-groceryprocurementa2amcpx402ai-orderability

Technical agent card

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

Provider: GreenCore Solutions Corp. — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol: a2a
Version: 1.1.0
Auth schemes: credential x402
Card completeness: complete all eight fields required by a2a.proto v1.0

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Capabilities: pushNotifications stateTransitionHistory streaming
Agent card: https://a2a-vector.ai/.well-known/agent-card.json

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