{"domain":"gsc-a2a.ai","count":2,"changes":[{"captured_at":"2026-08-29T03:16:39","card_hash":"20d3720c56335db433dc4fda5c7442458fe636c4f7781cb89fb490367cfd47b0","previous_card_hash":"0451b38da24900b7a94544dff85e8ddb909295f2da93f379d8707454a81cd4bc","diff":{"skills_added":[{"id":"carrier-fleet","name":"Carrier Fleet resolution","description":"Ask any of the fleet's Carrier Agents (slots 0001-1000) — GET /{NNNN}/.well-known/agent-card.json, POST /{NNNN}/a2a (message/send). Fleet discovery: the fleet MCP at https://mcp.gsc-fleet.ai/mcp (list_fleets, resolve_carrier, find_carriers, get_fleet_stats and six more read tools).","tags":["carrier-fleet","a2a","acm-68000"],"inputModes":null,"outputModes":null},{"id":"hitl-transaction","name":"Human-in-the-Loop transaction","description":"Anything creating obligation goes to the HITL MCP (https://mcp.cpghumanintheloop.ai/mcp): submit_rfq, check_rfq_status, request_terms, escalate. Machines lodge, humans decide — commitments at the GSC Trading Desk, https://gsc-navigator.ai/","tags":["hitl","rfq","trading-desk"],"inputModes":null,"outputModes":null},{"id":"verify-card","name":"Verify a fleet Card","description":"Every Card on this host carries a JWS ES256 signature (kid gsc-cards-2026-08) over the RFC 8785 canonical body; the public key is on the dpuone.ai keyring at https://dpuone.ai/.well-known/jwks.json.","tags":["identity","signature","keyring"],"inputModes":null,"outputModes":null}],"skills_removed":[{"id":"human-in-the-loop-resolve","name":"HUMAN IN THE LOOP Resolution","description":"GSC Agent Navigator License - Inbound App. Inbound procurement routing for AI and ERP-driven supplier requests. v1 active channels: email orders@gsc-em.com, phone and WhatsApp +1 647 237 7744. Extended channels under license scope (SAP, Coupa, Ivalua, MCP, A2A, EDI) phased in subsequent releases. HUMAN IN THE LOOP by Design. Receive an inbound procurement intent, RFQ, escalation, broker onboarding request, CPG account onboarding request, or any agentic signal requiring human routing. Return canonical GreenCore Solutions Corp. contact endpoints. Offices: Vancouver, Canada (260-4611 Viking Way, Richmond, BC V6V 2K9); Toronto, Canada (141 Adelaide St W, Suite 1800, M5H 3L5); Frankfurt, Germany (Taunusanlage 8, 60329); Barcelona, Spain (Pg. de Gracia, 17, L'Eixample, 08007). GTIN: 990832300297. DPU: https://dpuone.ai/dpu/990832300297.json. Protocol: acm-68000.com.","tags":["acm-68000","7signalstack","ghost-surface","human-in-the-loop","human-in-the-loop-by-design","human-in-the-loop-node","hitl","inbound-app","navigator-license","broker-onboarding","cpg-account-onboarding","escalation","rfq","greencore-solutions","orders","gtin-990832300297","gs1-canada-gepir","acm-451","escalate","v1-email","v1-phone","v1-whatsapp"],"inputModes":null,"outputModes":null}],"skills_changed":[],"fields_changed":[{"field":"name","before":"GSC HUMAN IN THE LOOP Node","after":"GSC AI Agent CPG Fleet - APAC"},{"field":"description","before":"GSC Agent Navigator License - Inbound App. Inbound procurement routing application license for capturing and processing AI and ERP-driven supplier requests across email, phone, SAP, Coupa, Ivalua, MCP, A2A and EDI channels. v1 active channels: email (orders@gsc-em.com), phone and WhatsApp (+1 647 237 7744). Extended channels (SAP, Coupa, Ivalua, MCP, A2A, EDI) phased in subsequent releases. HUMAN IN THE LOOP by Design. Canonical handoff node where agentic procurement workflows resolve to direct human contact at GreenCore Solutions Corp. Offices: Vancouver (260-4611 Viking Way, Richmond, BC V6V 2K9, Canada); Toronto (141 Adelaide St W, Suite 1800, Toronto, ON M5H 3L5, Canada); Frankfurt (Taunusanlage 8, 60329 Frankfurt am Main, Germany); Barcelona (Pg. de Gracia, 17, L'Eixample, 08007 Barcelona, Spain). X: @GSC_Rail_ai. GTIN: 990832300297. DPU artifact: https://dpuone.ai/dpu/990832300297.json. Operator: GreenCore Solutions Corp. Protocol: acm-68000.com.","after":"GSC AI Agent CPG Fleet - APAC — fleet root on gsc-a2a.ai (AU-ECO-10060, Microsoft Azure Australia East; serves Asia-Pacific). Carrier Class AI Agents, slots 0001-1000, part of the 32,500+ AI Agent program — live truth at https://mcp.gsc-fleet.ai/. Human in the loop by design: anything creating obligation is lodged on the HITL MCP (https://mcp.cpghumanintheloop.ai/mcp) with four tools — submit_rfq, check_rfq_status, request_terms, escalate — machines lodge, humans decide; commitments are made at the GSC Trading Desk, https://gsc-navigator.ai/ Protocol home: https://acm-68000.org. Monthly AI Agent transaction number: published at https://gsc-radar.ai/ (radar.json is the source of record). Cards verify from the gsc-cards-2026-08 key on the dpuone.ai keyring. Operator: GreenCore Solutions Corp. · D-U-N-S 24-336-6774 · Microsoft AI Cloud Partner. Hosting: Microsoft Azure · agents resident in 18 countries worldwide."},{"field":"version","before":"1.2.0","after":"2.0.0"},{"field":"protocolVersion","before":"0.3.0","after":null},{"field":"url","before":"https://gsc-a2a.ai/a2a","after":null},{"field":"documentationUrl","before":null,"after":"https://gsc-a2a.ai/llms.txt"},{"field":"supportedInterfaces","before":null,"after":[{"url":"https://gsc-a2a.ai/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0","description":"fleet-root A2A (message/send); per-agent endpoint at /{NNNN}/a2a"},{"url":"https://mcp.gsc-fleet.ai/mcp","protocolBinding":"HTTP+JSON","protocolVersion":"1.0","description":"the fleet MCP — Carrier Fleet discovery (10 read tools)"}]},{"field":"securitySchemes","before":{"oauth2":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"https://login.microsoftonline.com/04a24e43-dc13-4578-950a-910db076a799/oauth2/v2.0/token","scopes":{"api://gsc-a2a.ai/.default":"Resolve GSC HUMAN IN THE LOOP node under GreenCore Solutions Corp."}}}}},"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":{"fleet:read":"Read the GSC AI Agent CPG Fleet - APAC surfaces."}}},"oauth2MetadataUrl":"https://gsc-a2a.ai/.well-known/oauth-authorization-server"}},"bearerJwt":{"httpAuthSecurityScheme":{"scheme":"Bearer","bearerFormat":"JWT","description":"Bearer access token presented in the Authorization header."}}}},{"field":"security","before":[{"oauth2":["api://gsc-a2a.ai/.default"]}],"after":null},{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"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 is human-signed at the GSC Navigator HITL boundary.","required":false,"params":{"autonomous":["read","resolve","discover"],"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/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":{"organization":"GreenCore Solutions Corp.","url":"https://gsc-em.com/"},"after":{"organization":"GreenCore Solutions Corp.","url":"https://gsc-em.com"}}],"other_changed":true,"is_empty":false,"human_summary":"added 3 skills · removed 1 skill · name GSC HUMAN IN THE LOOP Node → GSC AI Agent CPG Fleet - APAC · description GSC Agent Navigator License - Inbound Ap → GSC AI Agent CPG Fleet - APAC — fleet ro · version 1.2.0 → 2.0.0 · protocolVersion 0.3.0 → ∅ · url https://gsc-a2a.ai/a2a → ∅ · documentationUrl ∅ → https://gsc-a2a.ai/llms.txt · supportedInterfaces ∅ → https://gsc-a2a.ai/a2a (JSONRPC), https: · securitySchemes oauth2 → bearerJwt, entraOAuth2 · security oauth2 → ∅ · capabilities none → extensions, pushNotifications, streaming · provider GreenCore Solutions Corp. → GreenCore Solutions Corp."}},{"captured_at":"2026-07-19T20:03:18","card_hash":"0451b38da24900b7a94544dff85e8ddb909295f2da93f379d8707454a81cd4bc","previous_card_hash":null,"diff":{"skills_added":[{"id":"human-in-the-loop-resolve","name":"HUMAN IN THE LOOP Resolution","description":"GSC Agent Navigator License - Inbound App. Inbound procurement routing for AI and ERP-driven supplier requests. v1 active channels: email orders@gsc-em.com, phone and WhatsApp +1 647 237 7744. Extended channels under license scope (SAP, Coupa, Ivalua, MCP, A2A, EDI) phased in subsequent releases. HUMAN IN THE LOOP by Design. Receive an inbound procurement intent, RFQ, escalation, broker onboarding request, CPG account onboarding request, or any agentic signal requiring human routing. Return canonical GreenCore Solutions Corp. contact endpoints. Offices: Vancouver, Canada (260-4611 Viking Way, Richmond, BC V6V 2K9); Toronto, Canada (141 Adelaide St W, Suite 1800, M5H 3L5); Frankfurt, Germany (Taunusanlage 8, 60329); Barcelona, Spain (Pg. de Gracia, 17, L'Eixample, 08007). GTIN: 990832300297. DPU: https://dpuone.ai/dpu/990832300297.json. Protocol: acm-68000.com.","tags":["acm-68000","7signalstack","ghost-surface","human-in-the-loop","human-in-the-loop-by-design","human-in-the-loop-node","hitl","inbound-app","navigator-license","broker-onboarding","cpg-account-onboarding","escalation","rfq","greencore-solutions","orders","gtin-990832300297","gs1-canada-gepir","acm-451","escalate","v1-email","v1-phone","v1-whatsapp"],"inputModes":null,"outputModes":null}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"GSC HUMAN IN THE LOOP Node"},{"field":"description","before":null,"after":"GSC Agent Navigator License - Inbound App. Inbound procurement routing application license for capturing and processing AI and ERP-driven supplier requests across email, phone, SAP, Coupa, Ivalua, MCP, A2A and EDI channels. v1 active channels: email (orders@gsc-em.com), phone and WhatsApp (+1 647 237 7744). Extended channels (SAP, Coupa, Ivalua, MCP, A2A, EDI) phased in subsequent releases. HUMAN IN THE LOOP by Design. Canonical handoff node where agentic procurement workflows resolve to direct human contact at GreenCore Solutions Corp. Offices: Vancouver (260-4611 Viking Way, Richmond, BC V6V 2K9, Canada); Toronto (141 Adelaide St W, Suite 1800, Toronto, ON M5H 3L5, Canada); Frankfurt (Taunusanlage 8, 60329 Frankfurt am Main, Germany); Barcelona (Pg. de Gracia, 17, L'Eixample, 08007 Barcelona, Spain). X: @GSC_Rail_ai. GTIN: 990832300297. DPU artifact: https://dpuone.ai/dpu/990832300297.json. Operator: GreenCore Solutions Corp. Protocol: acm-68000.com."},{"field":"version","before":null,"after":"1.2.0"},{"field":"protocolVersion","before":null,"after":"0.3.0"},{"field":"url","before":null,"after":"https://gsc-a2a.ai/a2a"},{"field":"securitySchemes","before":null,"after":{"oauth2":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"https://login.microsoftonline.com/04a24e43-dc13-4578-950a-910db076a799/oauth2/v2.0/token","scopes":{"api://gsc-a2a.ai/.default":"Resolve GSC HUMAN IN THE LOOP node under GreenCore Solutions Corp."}}}}}},{"field":"security","before":null,"after":[{"oauth2":["api://gsc-a2a.ai/.default"]}]},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false}},{"field":"provider","before":null,"after":{"organization":"GreenCore Solutions Corp.","url":"https://gsc-em.com/"}}],"other_changed":true,"is_empty":false,"human_summary":"added 1 skill · name ∅ → GSC HUMAN IN THE LOOP Node · description ∅ → GSC Agent Navigator License - Inbound Ap · version ∅ → 1.2.0 · protocolVersion ∅ → 0.3.0 · url ∅ → https://gsc-a2a.ai/a2a · securitySchemes ∅ → oauth2 · security ∅ → oauth2 · capabilities ∅ → none · provider ∅ → GreenCore Solutions Corp."}}]}