{
  "x402Version": 1,
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  "homepage": "https://research.dropwatchhq.com",
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    "transport": "streamable-http",
    "protocol": "mcp"
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    "network": "base",
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    "facilitator": "https://facilitator.payai.network",
    "keyless": true
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  "paidTools": [
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      "tool": "new_funding",
      "type": "mcp-tool",
      "transport": "mcp",
      "endpoint": "https://research.dropwatchhq.com/mcp",
      "method": "POST tools/call (x402 challenge rides in the tool result)",
      "description": "Full set of newest NIH grants + newly-registered clinical trials, filterable by institution/PI/sponsor/topic/state/IC/phase.",
      "price": {
        "scheme": "exact",
        "network": "base",
        "maxAmountRequired": "20000",
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      "resource": "https://research.dropwatchhq.com/mcp#new_funding"
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  "freeTools": [
    {
      "tool": "whats_changed_since",
      "description": "Changes since a prior cursor, same filters as new_funding.",
      "price": "free"
    },
    {
      "tool": "delta_digest",
      "description": "New grants + trials in a filter over the last N days.",
      "price": "free"
    },
    {
      "tool": "entity_watch",
      "description": "Recent funding/trial events for one institution, PI, sponsor, or topic.",
      "price": "free"
    },
    {
      "tool": "search_records",
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      "price": "free"
    }
  ],
  "docs": {
    "llms": "https://research.dropwatchhq.com/llms.txt",
    "spec": "https://github.com/coinbase/x402"
  }
}