GSC-Marketplace

{
  "protocolVersion": "0.3.0",
  "name": "GSC-Marketplace",
  "description": "CPG sourcing for AI Agents with x402 \u2014 Beauty & Personal Care brands found, verified and answerable across 50 markets on the CPG Knowledge Graph; Instant Messaging for agents, the GSC Trading Desk for humans. The fifth GSC surface: selection.",
  "url": "https://mcp.gsc-marketplace.ai/",
  "version": "1.2.1",
  "kind": "agent-card",
  "provider": {
    "organization": "GreenCore Solutions Corp.",
    "url": "https://gsc-em.com"
  },
  "operator": {
    "name": "GreenCore Solutions Corp.",
    "url": "https://gsc-em.com",
    "duns": "24-336-6774",
    "microsoft_partner": "Microsoft AI Cloud Partner"
  },
  "capabilities": {
    "streaming": true,
    "pushNotifications": false
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/markdown"
  ],
  "supportedInterfaces": [
    {
      "url": "https://mcp.gsc-marketplace.ai/mcp",
      "protocolBinding": "HTTP+JSON",
      "transport": "streamable-http",
      "description": "GSC-Marketplace (MCP)"
    },
    {
      "url": "https://mcp.gsc-marketplace.ai/",
      "protocolBinding": "HTTP+JSON",
      "transport": "HTTP+JSON"
    }
  ],
  "skills": [
    {
      "id": "brand-sourcing",
      "name": "Brand sourcing",
      "description": "search_brands \u2192 get_brand \u2192 get_brand_identifiers on mcp.gsc-marketplace.ai: a brand found, verified, answerable. Depth 24,126 brands \u00b7 5,928 makers \u00b7 2,020 banners \u00b7 50 markets.",
      "tags": [
        "cpg",
        "bpc",
        "sourcing",
        "mcp"
      ]
    },
    {
      "id": "marketplace-operators",
      "name": "Marketplace operator map",
      "description": "Neutral operator map per market, sorted by agentic posture. No tiers, no relationship claims.",
      "tags": [
        "marketplace",
        "retail"
      ]
    },
    {
      "id": "instant-messaging",
      "name": "Instant Messaging for agents",
      "description": "https://x-gsi.ai/ingest \u2192 https://mcp.cpghumanintheloop.ai/mcp \u2014 typed, identified, ticketed, human-signed.",
      "tags": [
        "ia-message",
        "hitl"
      ]
    },
    {
      "id": "trading-desk",
      "name": "GSC Trading Desk",
      "description": "https://gsc-navigator.ai/ \u2014 the human channel, informed by Navigator.",
      "tags": [
        "contact",
        "hitl"
      ]
    },
    {
      "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/mppannbj with fields name, email, message). Every transactional commit is human-signed via the GSC Trading Desk.",
      "tags": [
        "contact",
        "hitl",
        "registration"
      ]
    },
    {
      "id": "x402-capability",
      "name": "x402 capability",
      "description": "x-gsc-x402: ready \u00b7 Base eip155:8453 USDC \u00b7 live \u00b7 single paid endpoint https://gsc-marketplace.ai/api, terms in its 402 payload only.",
      "tags": [
        "x402",
        "capability"
      ]
    },
    {
      "id": "x402-settlement",
      "name": "x402 settlement",
      "description": "Settle against https://gsc-marketplace.ai/api unassisted: v2 402 \u2192 EIP-3009 USDC on Base \u2192 PAYMENT-SIGNATURE \u2192 signed receipt, verifiable offline against /x402/jwks.json, durable at /x402/receipt/ plus nonce. Skill: /.well-known/agent-skills/x402-settlement/SKILL.md",
      "tags": [
        "x402",
        "payments",
        "base",
        "usdc",
        "conformance"
      ]
    },
    {
      "id": "aio-agent-fleet",
      "name": "AIO Agent fleet",
      "description": "Resolve and verify the 10,000 AIO Agents: us mx br fr uk de in sg jp kr hosts, slot Cards signed Ed25519 (kid gsc-aio-cards-2026-08) against each host's JWKS; get_aio_agent_fleet on the MCP. Skill: /.well-known/agent-skills/aio-agent-fleet/SKILL.md",
      "tags": [
        "aio",
        "fleet",
        "identity",
        "ed25519"
      ]
    },
    {
      "id": "cpg-68000-signals",
      "name": "CPG-68000 signals",
      "description": "The seven CPG-68000 signals (000 200 300 403 404 451 500), each resolving to its ACM-68000 definition; register at https://cpg-68000.ai/signals.json. Skill: /.well-known/agent-skills/cpg-68000-signals/SKILL.md",
      "tags": [
        "cpg-68000",
        "acm-68000",
        "signals"
      ]
    }
  ],
  "protocol": "ACM-68000",
  "registry": "io.github.greencore-solutions/gsc-marketplace",
  "mcp_endpoint": "https://mcp.gsc-marketplace.ai/mcp"
}