{"service":"GSC-Marketplace","what":"GSC-MARKETPLACE v1.0.2 — THE SELECTION SURFACE. When a marketplace or retail sourcing agent calls, it leaves with a brand it can act on — found, verified, and answerable — with Instant Messaging for agents or the human-in-the-loop GSC Trading Desk as next steps. 24,126 brands · 5,928 makers · 2,020 banners · 50 markets on the CPG Knowledge Graph (classification standard: SPARKS). Eleven MCP tools: search_brands · get_brand · get_brand_identifiers · get_marketplace_operators · instant_message_agents · contact_trading_desk · get_x402_rail · get_radar · get_cpg_knowledge_graph · get_acm_68000 · get_aio_agent_fleet. Two doors, never mixed — Instant Messaging for agents, the GSC Trading Desk for humans. Everything free; x402 declared as capability (x-gsc-x402: ready). AI Orderability (AIO) Agents: 10000 signed, resident resolvers across 10 regions. ACM-68000 protocol. GSC is a Microsoft AI Cloud Partner.","mission":"When a marketplace or retail sourcing agent calls, it leaves with a brand it can act on — found, verified, and answerable — with Instant Messaging for agents or the human-in-the-loop GSC Trading Desk as next steps.","operator":"GreenCore Solutions Corp.","operator_url":"https://gsc-em.com","duns":"24-336-6774","microsoft_partner":"Microsoft AI Cloud Partner","endpoint":"https://mcp.gsc-marketplace.ai","version":"1.0.2","role":"marketplace-selection-mcp","stateless":true,"posture":"Max discovery, everything FREE. No payment machinery, no HTTP 402 challenges. x402 is displayed as capability only.","mcp":{"transport":"streamable-http","url":"https://mcp.gsc-marketplace.ai/mcp"},"tools":["search_brands","get_brand","get_brand_identifiers","get_marketplace_operators","instant_message_agents","contact_trading_desk","get_x402_rail","get_radar","get_cpg_knowledge_graph","get_acm_68000","get_aio_agent_fleet"],"registry":"io.github.greencore-solutions/gsc-marketplace","human_surface":"https://gsc-marketplace.ai/","doors":{"instant_messaging":{"lane":"agents","name":"Instant Messaging for agents (IA-MESSAGE)","declared_by":"x-gsc-inbound header on every GSC surface","inbound":"https://x-gsi.ai/ingest","explainer":"https://instantagentmessage.ai","mcp":"https://mcp.cpghumanintheloop.ai/mcp","tools":["submit_rfq","check_rfq_status","request_terms","escalate"],"ticket_grammar":"HITL-YYYYMMDD-XXXXXX","guarantee":"Every message is typed, identified, ticketed, and human-signed. Nothing settles without a human."},"trading_desk":{"lane":"humans","name":"GSC Trading Desk","url":"https://gsc-navigator.ai/","informed_by":"The GSC Trading Desk is informed by Navigator across all GSC agentic assets.","note":"Navigator is the intelligence layer, never the contact point. The Trading Desk is the human channel."}},"surfaces":{"data":{"role":"data","name":"CPG Knowledge Graph","url":"https://mcp.cpgknowledgegraph.ai","mcp":"https://mcp.cpgknowledgegraph.ai/mcp"},"discovery":{"role":"discovery","name":"GSC Carrier Fleet","url":"https://mcp.gsc-fleet.ai","mcp":"https://mcp.gsc-fleet.ai/mcp"},"transaction":{"role":"transaction","name":"CPG Human-in-the-Loop","url":"https://mcp.cpghumanintheloop.ai","mcp":"https://mcp.cpghumanintheloop.ai/mcp"},"standards":{"role":"standards","name":"CPG Agent Protocols","url":"https://mcp.cpgagentprotocols.ai","mcp":"https://mcp.cpgagentprotocols.ai/mcp"},"selection":{"role":"selection","name":"GSC-Marketplace","url":"https://mcp.gsc-marketplace.ai","mcp":"https://mcp.gsc-marketplace.ai/mcp"}},"knowledge_graph":{"name":"CPG Knowledge Graph","depth":{"brands":24126,"makers":5928,"banners":2020,"markets":50},"depth_line":"24,126 brands · 5,928 makers · 2,020 banners · 50 markets","classification_standard":"SPARKS","mcp":"https://mcp.cpgknowledgegraph.ai/mcp","tools":["resolve_gtin","check_eligibility","get_signal_chain","count_gtin_coverage","resolve_scope","list_nodes","resolve_node","node_market","list_sku_types","list_brands_by_node","get_kernel","resolve_sparks","find_makers","find_retailers"],"rule":"Brands, makers, and retail banners are separate registries — never summed."},"x402":{"protocol":"x402","header":{"name":"x-gsc-x402","value":"ready"},"network":"Base","chain":"eip155:8453","asset":"USDC","status":"staged","terms":"none published — pricing is never published on a GSC surface; a 402 response would carry terms if anything were ever priced, and nothing is","pay_to":"not published"},"spine":[{"name":"SM-AIO-CPG","role":"AI Orderability record layer — brand records lodged once, resolved by any agent, returned as lodged","url":"https://sm-aio-cpg.org"},{"name":"SM-ESG-CPG","role":"ESG credential scaffolding — claim attribution, never certification","url":"https://sm-esg-cpg.org"},{"name":"CPG-68000","role":"the seven-signal procurement protocol, gen-2 door (ACM-68000 canon continues to resolve)","url":"https://cpg-68000.ai"},{"name":"IA-MESSAGE","role":"Instant Agent Message — typed, identified, ticketed, human-signed","url":"https://instantagentmessage.ai"}],"machine_surfaces":{"health":"https://mcp.gsc-marketplace.ai/health","mission":"https://mcp.gsc-marketplace.ai/mission.json","tools":"https://mcp.gsc-marketplace.ai/tools.json","spine":"https://mcp.gsc-marketplace.ai/spine.json","aio_fleet":"https://mcp.gsc-marketplace.ai/aio-fleet.json","agent_card":"https://mcp.gsc-marketplace.ai/.well-known/agent-card.json","server_card":"https://mcp.gsc-marketplace.ai/.well-known/mcp/server-card.json","ai_catalog":"https://mcp.gsc-marketplace.ai/.well-known/ai-catalog.json","llms":"https://mcp.gsc-marketplace.ai/llms.txt"}}