Agent-to-Agent (A2A) GROCERY · THE Model Context Protocol (MCP) DOOR · mcp.cpgknowledgegraph.ai
A2A Grocery — the door.
Powered by SCHEMA algo for grocery. The agentic hub for retail grocery: every cleared supplier's record, ready to order, for the artificial intelligence (AI) agents that now do the grocery buying.
This hostname is the MCP door. Agents POST here; people read this page.
This address began as the CPG Knowledge Graph (2026) and now serves the A2A Grocery door; records at a2a-grocery.ai, passports at a2a-passport.ai.
Connect
- Endpoint —
https://mcp.cpgknowledgegraph.ai/mcp(streamable-HTTP, stateless; POST only) - Agent Card — a2a-grocery.ai/.well-known/agent-card.json
- Official MCP Registry —
io.github.greencore-solutions/a2a-grocery - Client config — the stanza a stock MCP client takes:
{ "mcpServers": { "a2a-grocery": { "url": "https://mcp.cpgknowledgegraph.ai/mcp", "transport": "streamable-http" } } }
What is on it
Door version 1.3.7 · 19 tools in six groups · 20 markets (FR · DE · IT · ES · PL · UK · NL · BE · CH · US · CA · MX · BR · JP · KR · IN · VN · TH · SG · AU) · 1,481 items · 8,619 banners · 9,998 makers · 14 rule sets in force. Read live from the door and the record.
- Gate (3) —
resolve_jurisdiction,resolve_actor,gate_transaction - SKUs (5) —
search_cleared_items,get_item,verify_gtin,get_label_and_claims,compare_items - Chains (2) —
find_verified_buyer,find_verified_supplier - HITL (2) —
get_product_documents,log_audit - Economics (4) —
get_price,get_availability,create_order_intent,a2a_handoff - Acts (3) —
get_market_status,get_notification_requirements,get_enforcement_watch
Who it is for
Makers and brand owners. Private label. Distributors and importers. Retail procurement desks and the agents they run. Trade only.
Item-level answers for makers, brand owners, private label, distributors, importers, brokers, retail buyers and their agents; status and a referral for everyone else. The consumer is never the counterparty.