{"domain":"gsc-knowledgegraph.ai","count":1,"changes":[{"captured_at":"2026-10-03T00:48:52","card_hash":"b56e02af6274bc577951fdad365289295a73f27ccd1c649ae56187a5237bd971","previous_card_hash":null,"diff":{"skills_added":[{"id":"cpg-knowledge-graph-record","name":"AI CPG Knowledge Graph record","description":"Read brands, makers, retail banners, standard pack and compliance through https://mcp.cpgknowledgegraph.ai/mcp (14 tools); counts live on https://mcp.cpgknowledgegraph.ai/. Skill: /.well-known/agent-skills/cpg-knowledge-graph-record/SKILL.md","tags":["cpg","bpc","knowledge-graph","mcp","sparks"],"inputModes":null,"outputModes":null},{"id":"hitl-contact","name":"Human-in-the-Loop Contact","description":"Reach GreenCore Solutions Corp. through this surface's live, human-reviewed contact endpoint (POST https://formspree.io/f/mnjozqpg with fields name, company, email, message). Every transactional commit is human-signed via the GSC Trading Desk.","tags":["contact","hitl","registration"],"inputModes":null,"outputModes":null},{"id":"instant-messaging","name":"Instant Messaging for agents","description":"https://x-gsi.ai/ingest → https://mcp.cpghumanintheloop.ai/mcp — typed, identified, ticketed, human-signed.","tags":["ia-message","hitl"],"inputModes":null,"outputModes":null},{"id":"trading-desk","name":"GSC Trading Desk","description":"https://gsc-navigator.ai/ — the human channel, informed by Navigator.","tags":["contact","hitl"],"inputModes":null,"outputModes":null},{"id":"x402-capability","name":"x402 capability","description":"x-gsc-x402: ready · Base eip155:8453 USDC · live · the paid read https://gsc-knowledgegraph.ai/api through https://gsc-x402.ai/api, terms in its 402 payload only.","tags":["x402","capability"],"inputModes":null,"outputModes":null},{"id":"x402-settlement","name":"x402 settlement","description":"Settle against https://gsc-knowledgegraph.ai/api unassisted (relayed to the gsc-x402.ai rail): v2 402 → EIP-3009 USDC on Base → PAYMENT-SIGNATURE → signed receipt, verifiable offline against https://gsc-x402.ai/x402/jwks.json (kid gsc-x402-receipts-2026-09), durable at https://gsc-x402.ai/x402/receipt/ plus nonce. Skill: /.well-known/agent-skills/x402-settlement/SKILL.md","tags":["x402","payments","base","usdc","conformance"],"inputModes":null,"outputModes":null}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"GSC AI CPG Knowledge Graph"},{"field":"description","before":null,"after":"The AI CPG Knowledge Graph the market uses. 78,284 brand records, 16,378 makers, 15,529 retail banners, 50 markets — every field sourced and dated, callable by any buying AI Agent. x402 era begins."},{"field":"version","before":null,"after":"1.0.0"},{"field":"documentationUrl","before":null,"after":"https://gsc-knowledgegraph.ai/llms.txt"},{"field":"supportedInterfaces","before":null,"after":[{"url":"https://mcp.cpgknowledgegraph.ai/mcp","protocolBinding":"HTTP+JSON","protocolVersion":"1.0"},{"url":"https://gsc-knowledgegraph.ai/api","protocolBinding":"HTTP+JSON","protocolVersion":"1.0"},{"url":"https://gsc-knowledgegraph.ai/","protocolBinding":"HTTP+JSON","protocolVersion":"1.0"}]},{"field":"securitySchemes","before":null,"after":{"entraOAuth2":{"oauth2SecurityScheme":{"description":"Microsoft Entra OAuth 2.0 client credentials, GSC-provisioned after human review. Public reads on this surface are open by design; tokens are required where commitments are made.","flows":{"clientCredentials":{"tokenUrl":"https://login.microsoftonline.com/54939635-2f2e-465a-8526-a907cb3c8ebd/oauth2/v2.0/token","scopes":{"mcp:read":"Read/resolve/discovery calls on GSC doors over MCP."}}},"oauth2MetadataUrl":"https://gsc-knowledgegraph.ai/.well-known/oauth-authorization-server"}},"bearerJwt":{"httpAuthSecurityScheme":{"scheme":"Bearer","bearerFormat":"JWT","description":"Bearer access token presented in the Authorization header."}}}},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"extensions":[{"uri":"https://gsc-em.com/a2a/ext/scope-of-authority/v1","description":"GSC scope of authority: read, resolve and discovery calls are autonomous; every transactional commit (order, RFQ acceptance, terms) is human-signed at the GSC Trading Desk / Navigator HITL boundary.","required":false,"params":{"autonomous":["read","resolve","discover","x402-settlement"],"record":"https://mcp.cpgknowledgegraph.ai/mcp","humanSigned":["transactional-commit","order","rfq-acceptance","terms"],"hitlBoundary":"https://gsc-navigator.ai/","transactionSurface":"https://mcp.cpghumanintheloop.ai/mcp"}},{"uri":"https://gsc-em.com/a2a/ext/knowledge-graph/v1","description":"The AI CPG Knowledge Graph: brands, makers, retail banners, standard pack and compliance, served by the door, every field sourced and dated; counts read from the root record.","required":false,"params":{"mcp":"https://mcp.cpgknowledgegraph.ai/mcp","record":"https://mcp.cpgknowledgegraph.ai/","tools":["resolve_gtin","check_eligibility","get_signal_chain","count_gtin_coverage","resolve_scope","list_nodes","resolve_node","find_makers","find_retailers","node_market","list_sku_types","list_brands_by_node","get_kernel","resolve_sparks"],"registry":"io.github.greencore-solutions/cpg-knowledge-graph","compliance":"https://mcp.rco-a2a.ai","fleet":"https://mcp.gsc-fleet.ai","protocols":"https://mcp.cpgagentprotocols.ai"}},{"uri":"https://gsc-em.com/a2a/ext/x402-door/v1","description":"The paid read: /api answers 402 through the gsc-x402.ai rail (x402 v2, Base mainnet, USDC, EIP-3009); receipts signed EdDSA resolve forever on the rail.","required":false,"params":{"protocol":"x402","version":2,"network":"eip155:8453","asset":"USDC","paidEndpoint":"https://gsc-knowledgegraph.ai/api","rail":"https://gsc-x402.ai/api","receipt":"https://gsc-x402.ai/x402/receipt/{nonce}","jwks":"https://gsc-x402.ai/x402/jwks.json","kid":"gsc-x402-receipts-2026-09","openapi":"https://gsc-x402.ai/openapi.json"}},{"uri":"https://gsc-em.com/a2a/ext/enforcement-posture/v1","description":"These endpoints are open by design. When the buy side's credential standard reaches GA — expected Q4 2026-Q1 2027 — transactional methods migrate to OAuth 2.1 challenge per the MCP 2025-11-25 specification. Read access stays open. That is not pending work; that is the published plan.","required":false,"params":{"enforcement_posture":"open-by-declaration","migration_standard":"OAuth 2.1 + PKCE challenge (401 + WWW-Authenticate) on mcp:transact methods, per MCP spec 2025-11-25","migration_trigger":"ecosystem GA of credentialed counterparties (enterprise A2A/MCP buy-side GA)","migration_window":"Q4 2026 - Q1 2027","declared":"2026-08-24","operator":"GreenCore Solutions Corp.","duns":"24-336-6774"}}]}},{"field":"provider","before":null,"after":{"url":"https://gsc-em.com","organization":"GreenCore Solutions Corp."}}],"other_changed":true,"is_empty":false,"human_summary":"added 6 skills · name ∅ → GSC AI CPG Knowledge Graph · description ∅ → The AI CPG Knowledge Graph the market us · version ∅ → 1.0.0 · documentationUrl ∅ → https://gsc-knowledgegraph.ai/llms.txt · supportedInterfaces ∅ → https://mcp.cpgknowledgegraph.ai/mcp (HT · securitySchemes ∅ → bearerJwt, entraOAuth2 · capabilities ∅ → extensions, pushNotifications, streaming · provider ∅ → GreenCore Solutions Corp."}}]}