gtinfetch — The GTIN resolver for AI agents · Know your transactions (KYT)

{
  "protocolVersion": "0.3.0",
  "name": "gtinfetch \u2014 The GTIN resolver for AI agents \u00b7 Know your transactions (KYT)",
  "description": "gtinfetch.ai is the resolver \u2014 the who, what, where of GTINs for agentic commerce. The GTIN fact checker for AI agents: any barcode, one call, the page under it. 84M GTINs, retail grocery. Every field carries its source pages and the date read; unknown means no observation, never a guess. x402 at the door \u2014 USDC and Open USD on Base. Pay inside the call.",
  "iconUrl": "https://gtinfetch.ai/icon-512.png",
  "url": "https://gtinfetch.ai/mcp",
  "preferredTransport": "JSONRPC",
  "provider": {
    "organization": "GreenCore Solutions Corp. (GSC)",
    "url": "https://gsc-em.com"
  },
  "version": "1.0.0",
  "kind": "agent-card",
  "operator": {
    "name": "GreenCore Solutions Corp.",
    "url": "https://gsc-em.com",
    "duns": "24-336-6774",
    "microsoft_partner": "Microsoft AI Cloud Partner"
  },
  "documentationUrl": "https://gtinfetch.ai/llms.txt",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/markdown"
  ],
  "securitySchemes": {
    "x402": {
      "type": "http",
      "scheme": "x402",
      "description": "x402 at https://x402.gtinfetch.ai/mcp \u2014 the same door, paid inside the call, USDC and Open USD on Base (eip155:8453); terms in the 402 payload"
    }
  },
  "security": [],
  "paymentUrl": "https://x402.gtinfetch.ai/mcp",
  "skills": [
    {
      "id": "fetch_gtin",
      "name": "fetch_gtin",
      "description": "What is this GTIN? Returns the signed record (product, brand, maker, category, pack \u2014 each with sources and date), seen_in, confidence; with a market, the ask is tagged for that market. Also at GET https://gtinfetch.ai/01/{gtin14}.",
      "tags": [
        "gtin",
        "barcode",
        "gs1-digital-link",
        "product-data",
        "fact-check",
        "grocery"
      ],
      "examples": [
        "fetch_gtin(gtin=\"05070003860319\")",
        "fetch_gtin(gtin=\"5070003860319\", market=\"UK\")"
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "additionalInterfaces": [
    {
      "url": "https://gtinfetch.ai/mcp",
      "transport": "MCP"
    },
    {
      "url": "https://x402.gtinfetch.ai/mcp",
      "transport": "MCP",
      "description": "the same door, paid inside the call (x402, USDC and Open USD on Base)"
    },
    {
      "url": "https://gtinfetch.ai/01/{gtin14}",
      "transport": "HTTP+JSON"
    }
  ],
  "supportedInterfaces": [
    {
      "url": "https://gtinfetch.ai/mcp",
      "protocolBinding": "JSONRPC",
      "transport": "streamable-http",
      "description": "the door \u2014 MCP, one tool fetch_gtin(gtin, market?), no auth"
    },
    {
      "url": "https://x402.gtinfetch.ai/mcp",
      "protocolBinding": "JSONRPC",
      "transport": "streamable-http",
      "description": "the same door, paid inside the call (x402, USDC and Open USD on Base)"
    },
    {
      "url": "https://gtinfetch.ai/01/{gtin14}",
      "protocolBinding": "HTTP+JSON",
      "transport": "HTTP+JSON",
      "description": "GS1 Digital Link shape; Accept: text/markdown for markdown"
    }
  ]
}