{
  "x402Version": 1,
  "service": "patent-gap",
  "description": "Agent-payable off-patent opportunity feed — design patents expiring/expired, pre-screened for CPSC recall-safety + OFAC/OIG supplier legitimacy, for private-label sellers.",
  "homepage": "https://patentgap.dropwatchhq.com",
  "mcp": {
    "endpoint": "https://patentgap.dropwatchhq.com/mcp",
    "transport": "streamable-http",
    "protocol": "mcp"
  },
  "payment": {
    "scheme": "exact",
    "network": "base",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetName": "USD Coin",
    "decimals": 6,
    "payTo": "0x38134a7F97636E26365Fb17405566595B917a341",
    "facilitator": "https://facilitator.payai.network",
    "keyless": true
  },
  "paidTools": [
    {
      "tool": "category_opportunity_report",
      "type": "mcp-tool",
      "transport": "mcp",
      "endpoint": "https://patentgap.dropwatchhq.com/mcp",
      "method": "POST tools/call (x402 challenge rides in the tool result)",
      "description": "Full off-patent opportunity report for a product category: every newly-expirable design patent with computed expiry, recall-safety band, and supplier exclusion screen.",
      "price": {
        "scheme": "exact",
        "network": "base",
        "maxAmountRequired": "30000",
        "amountUSD": "$0.03",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "decimals": 6
      },
      "payTo": "0x38134a7F97636E26365Fb17405566595B917a341",
      "resource": "https://patentgap.dropwatchhq.com/mcp#category_opportunity_report"
    }
  ],
  "freeTools": [
    {
      "tool": "list_categories",
      "description": "Tracked private-label product categories.",
      "price": "free"
    },
    {
      "tool": "newly_expirable",
      "description": "Cross-category feed of freshly off-patent designs, recall + supplier screened.",
      "price": "free"
    },
    {
      "tool": "screen_patent",
      "description": "Screen one patent by publication number: expiry + recall band + supplier screen.",
      "price": "free"
    }
  ],
  "docs": {
    "llms": "https://patentgap.dropwatchhq.com/llms.txt",
    "spec": "https://github.com/coinbase/x402"
  },
  "directory": {
    "catalog": "https://x402.dropwatchhq.com/x402",
    "catalogJson": "https://x402.dropwatchhq.com/x402.json",
    "description": "Full directory of dropwatchhq agent-payable x402 tools (USDC on Base, keyless)."
  }
}