# A2A Grocery — the agentic hub for retail grocery procurement · https://mcp.a2a-grocery.ai/mcp

Powered by SCHEMA algo for grocery agentic commerce

> Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for retail grocery.

A2A Grocery is the agentic hub for retail grocery.

A2A Grocery puts speciality-foods makers in front of the AI agents that now do the grocery buying — and gives retail procurement agents every cleared supplier's record, ready to order.

Makers and brand owners. Private label. Distributors and importers. Retail procurement desks and the agents they run. Trade only.

Built and run by GreenCore Solutions Corp. Six frontier AI labs in the build. · Surface: https://a2a-grocery.ai · version 1.0.0 · as of 2026-10-01

Notice: Artificial intelligence makes mistakes. A2A Grocery is an agentic information source, not a recommendation. No ads, ever. No rank for sale. Trade only.

## Who it's for

- Makers & brand owners — Your range, cleared per market, in front of every buying agent. → https://a2a-grocery.ai/makers
- Retail procurement — Every cleared supplier's record, in your schema, ready to order. → https://a2a-grocery.ai/retailers
- Distributors & importers — The lane between maker and shelf, with the paper attached. → https://a2a-grocery.ai/distributors
- Agents & developers — One door, twenty markets, grade A on AWS, Azure and Google. → https://a2a-grocery.ai/docs

## Where

Twenty markets. Europe: France, Germany, Italy, Spain, Poland, UK, Netherlands, Belgium, Switzerland. Americas: United States, Canada, Mexico, Brazil. Asia-Pacific: Japan, South Korea, India, Vietnam, Thailand, Singapore, Australia.

## What's on it

Speciality foods first — ambient, chilled, frozen and fresh; organic, free-from, plant-based, artisan, origin and premium. Every record cleared for its market, carrying its source.

## Doors

- Page: https://a2a-grocery.ai/ (Markdown twin on Accept: text/markdown, or https://a2a-grocery.ai/index.md)
- MCP door of record: https://mcp.a2a-grocery.ai/mcp — streamable-http, stateless, server name a2a-grocery
- A2A: https://a2a-grocery.ai/a2a and <country code>.a2a-grocery.ai/a2a for each market (fr. de. it. es. pl. uk. nl. be. ch. us. ca. mx. br. jp. kr. in. vn. th. sg. au.)
- Human contact: https://a2a-grocery.ai/support — the form is the only human door
- Setup: https://a2a-grocery.ai/setup · Docs: https://a2a-grocery.ai/docs · SCHEMA algo: https://a2a-grocery.ai/schema · Rate card: https://a2a-grocery.ai/rate-card · Questions: https://a2a-grocery.ai/faq · Claim: https://a2a-grocery.ai/claim

## Gate

resolve_jurisdiction → resolve_actor → gate_transaction before any buyer, supplier, availability, price, documents, order or handoff tool. Reason codes: ALLOW · REQUIRE_NOTIFICATION · REQUIRE_RESPONSIBLE_PERSON · DENY_NOT_PERMITTED_HERE · DENY_INGREDIENT_BANNED · DENY_INGREDIENT_LIMIT · DENY_CLAIM · DENY_MARKET · DENY_ACTOR_CLASS · DENY_UNLICENSED_AGENT · DENY_NO_GTIN · DENY_NOT_VERIFIED.

## Tools (19)

- Gate: resolve_jurisdiction, resolve_actor, gate_transaction
- SKUs: search_cleared_items, get_item, verify_gtin, get_label_and_claims, compare_items
- Chains: find_verified_buyer, find_verified_supplier
- HITL: get_product_documents, log_audit
- Economics: get_price, get_availability, create_order_intent, a2a_handoff
- Acts: get_market_status, get_notification_requirements, get_enforcement_watch

## Two worked prompts

- Buy side — Find cleared organic dry pasta suppliers for a discounter in Germany, with certificates and availability.
- Sell side — Which retail buyer desks in France take artisan chilled products, and what does each market require on the label?

## Machine kit

- https://a2a-grocery.ai/.well-known/agent-card.json — A2A Agent Card, signed ES256 under kid a2ag-2026-10
- https://a2a-grocery.ai/.well-known/jwks.json — the hub keyring
- https://a2a-grocery.ai/llms.txt — the plain-text guide for language models
- https://a2a-grocery.ai/ai-catalog.json — the resource catalogue (also /.well-known/ai-catalog.json)
- https://a2a-grocery.ai/index.md — this page as Markdown (also by Accept: text/markdown)
- https://a2a-grocery.ai/docs — the door's reference
- https://a2a-grocery.ai/setup — the connection page
- https://a2a-grocery.ai/schema — SCHEMA algo: the six datasets
- https://a2a-grocery.ai/rate-card — the rate card
- https://a2a-grocery.ai/faq — twelve questions
- https://a2a-grocery.ai/claim — claim your record
- https://a2a-grocery.ai/icon.svg — the mark, with /icon-512.png and /icon-512-dark.png
- https://a2a-grocery.ai/site.webmanifest — the web manifest
- https://a2a-grocery.ai/health.json — surface status
- https://a2a-grocery.ai/.well-known/security.txt — the security contact
- https://a2a-grocery.ai/robots.txt — crawl policy, open
- https://a2a-grocery.ai/sitemap.xml — the sitemap
- https://a2a-grocery.ai/a2a — the Agent-to-Agent endpoint
- https://a2a-grocery.ai/api — the paid call (402)
- https://a2a-grocery.ai/x402/jwks.json — the receipt keyring

## Lanes

- ambient.a2a-grocery.ai — Ambient
- chilled.a2a-grocery.ai — Chilled
- frozen.a2a-grocery.ai — Frozen
- fresh.a2a-grocery.ai — Fresh
- organic.a2a-grocery.ai — Organic
- free-from.a2a-grocery.ai — Free-from
- plant-based.a2a-grocery.ai — Plant-based
- artisan.a2a-grocery.ai — Artisan
- origin.a2a-grocery.ai — Origin
- premium.a2a-grocery.ai — Premium

## Questions

- Who is A2A Grocery for? — Makers and brand owners, private label, distributors and importers, and retail procurement desks and the agents they run. Trade only.
- Which markets are on it? — Twenty markets. Europe: France, Germany, Italy, Spain, Poland, UK, Netherlands, Belgium, Switzerland. Americas: United States, Canada, Mexico, Brazil. Asia-Pacific: Japan, South Korea, India, Vietnam, Thailand, Singapore, Australia.
- What is on the record? — Speciality foods first: ambient, chilled, frozen and fresh; organic, free-from, plant-based, artisan, origin and premium. Every record cleared for its market, carrying its source.
- What is SCHEMA algo? — GSC's grocery knowledge graph: six datasets — SKUs, Chains, HITL, Economics, Makers, Acts — on one record, read by agents.
- What does a maker get? — Its range, cleared per market, in front of every buying agent; a listing, an answer agent, an order agent or the whole estate.
- What does a retail buyer get? — Every cleared supplier's record, in the buyer's own schema, ready to order.
- How does an agent connect? — One door at mcp.a2a-grocery.ai/mcp, the Agent Card on this site, and the setup page. The stock clients of AWS, Azure and Google attach with no adapter.
- Is there advertising? — No ads, ever. No rank for sale. A record is listed, claimed or verified — never promoted.
- Can a consumer buy here? — No. Trade only: the consumer is never the counterparty.
- What does verified mean? — A maker has claimed its record and a person has read the claim; verified opens documents, offers and order intents.
- How is an order settled? — Machine to machine over x402, after the gate, with a signed receipt naming what was bought, where and under which rule.
- Who runs it? — Built and run by GreenCore Solutions Corp. Six frontier AI labs in the build.

## Search words

grocery, retail grocery, procurement, supplier, buyer, private label, GTIN, discounter, supermarket, speciality foods, organic, cleared, orderable, AI agent, agent-to-agent, 20 markets, SCHEMA algo, A2A Grocery, agentic hub, Estate AI Agent, GSC Agentic Core

## Family

- a2a-grocery.ai — hub
- a2a-registry.ai — issuer
- a2a-x402.ai — the x402 rail and its receipts
- a2a-pay.ai — the five rails in plain words
- a2a-schema.org — the SCHEMA algo record standard

## Rulings

- 2026-10-01 — A2A Grocery is A2A Cosmetics remade as is — same door, issuer, payments door, agents and surface shell — for retail grocery: twenty markets, fourteen rule sets, the SCHEMA algo record, twelve reason codes.
- 2026-10-01 — Trade only: makers, brand owners, private label, distributors, importers, brokers, retail buyers and their agents. The consumer is never the counterparty. No ads, ever. No rank for sale.
- 2026-10-01 — Six datasets, locked: SKUs · Chains · HITL · Economics · Makers · Acts. The spine: temperature, then department, super category, category, item; the attribute lane cross-cuts.
- 2026-10-01 — Every record carries claim_status — listed · claimed · verified — and every cited field its source class: register, publisher, trade or engine. Points of sale are cited or NULL, never estimated.
- 2026-10-01 — Speciality foods first: the discounter shelf in Europe is the first lane; depth follows buyers.