{
  "name": "Feegate Data Marketplace",
  "description": "Feegate 是 x402 协议的数据变现结算层：给数据源接上按次收费的 MCP 端点，由 AI Agent 用 USDC 自主付款，平台负责代收、归集与次月 10 号分账。发现层（robots/llms/sitemap/JSON-LD/MCP Registry）与结算层一并托管。",
  "url": "https://feegate.org/mcp",
  "version": "1.30.0",
  "protocolVersion": "a2a/0.3",
  "documentationUrl": "https://feegate.org/docs",
  "provider": {
    "organization": "Feegate",
    "url": "https://feegate.org",
    "contact": "brian@51kaifa.app"
  },
  "iconUrl": "https://feegate.org/assets/img/logo.png",
  "capabilities": {
    "streaming": true,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "authentication": {
    "schemes": [
      "none"
    ],
    "note": "Discovery and free tools need no credential. Paid calls either settle on-chain via x402 (Base mainnet USDC) or draw down prepaid RMB credits with \"Authorization: Bearer fg_...\"."
  },
  "skills": [
    {
      "id": "ping",
      "name": "ping",
      "description": "健康检查，返回网络、收款地址与目录版本。",
      "tags": [
        "free",
        "discovery"
      ],
      "priceUsd": 0
    },
    {
      "id": "fee_quote",
      "name": "fee_quote",
      "description": "报价：算某次调用要付多少、抽成多少、到手多少。",
      "tags": [
        "free",
        "discovery"
      ],
      "priceUsd": 0
    },
    {
      "id": "list_products",
      "name": "list_products",
      "description": "免费列目录（不含 detail 字段）。",
      "tags": [
        "free",
        "discovery"
      ],
      "priceUsd": 0
    },
    {
      "id": "product_detail",
      "name": "product_detail",
      "description": "按 id 取单个数据产品的完整字段：覆盖度、更新频率、许可、样例响应。",
      "tags": [
        "paid",
        "x402"
      ],
      "priceUsd": 0.002
    },
    {
      "id": "marketplace_catalog",
      "name": "marketplace_catalog",
      "description": "取整个市场的上架清单：id / 名称 / 供应方 / 单价 / 已验证标记。",
      "tags": [
        "paid",
        "x402"
      ],
      "priceUsd": 0.005
    },
    {
      "id": "platform_stats",
      "name": "platform_stats",
      "description": "取平台实时指标：PV/UV、AI 爬虫占比、被引用的页面排行。",
      "tags": [
        "paid",
        "x402"
      ],
      "priceUsd": 0.005
    }
  ],
  "mcp": {
    "transport": "streamable-http",
    "endpoint": "https://feegate.org/mcp",
    "manifest": "https://feegate.org/.well-known/mcp-manifest.json",
    "note": "GET 返回 406/400 属正常（需要 MCP 握手），用 POST + Accept: application/json, text/event-stream"
  },
  "x402": {
    "version": 2,
    "network": "eip155:8453",
    "asset": "USDC",
    "assetContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0x230cd9cd33589bcf33cd32e5aa4f9e0c3994a63b",
    "facilitator": "https://facilitator.payai.network",
    "settlementCycle": "按自然月归集，次月 10 号生成结算单并打款",
    "minPayoutUsd": 50
  },
  "products": {
    "count": 9,
    "verifiedCount": 4,
    "priceRangeUsd": {
      "min": 0.005,
      "max": 0.15
    },
    "catalog": "https://feegate.org/marketplace"
  },
  "updated": "2026-10-31",
  "updatedAt": "2026-10-31 19:10:36 +0800",
  "_source": "https://feegate.org/.well-known/x402.json",
  "_note": "本文件由 feegate_agentcard.py 从 x402.json 派生，不单独维护数字。"
}