Evidence row 1257212

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "FREE: preflight target URL safety and pricing",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "check_url"
    },
    {
      "description": "PAID $0.05 USDC (x402, Base): Compare Polymarket rules with a bookmaker market description. Over MCP this returns payment requirements; settle by calling POST /v1/market-rules/compare with x402 payment headers.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "bookmakerDescription": {
            "type": "string"
          },
          "polymarketRules": {
            "type": "string"
          }
        },
        "required": [
          "polymarketRules",
          "bookmakerDescription"
        ],
        "type": "object"
      },
      "name": "compare_market_rules"
    },
    {
      "description": "PAID $0.02 USDC (x402, Base): URL plus JSON schema to structured JSON. Over MCP this returns payment requirements; settle by calling POST /v1/extract with x402 payment headers.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "schema": {
            "additionalProperties": {},
            "type": "object"
          },
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url",
          "schema"
        ],
        "type": "object"
      },
      "name": "extract_structured"
    },
    {
      "description": "PAID $0.003 USDC (x402, Base): Whether a page changed since a hash or timestamp. Over MCP this returns payment requirements; settle by calling POST /v1/page/changed with x402 payment headers.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "since": {
            "type": "string"
          },
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "page_changed"
    },
    {
      "description": "PAID $0.001 USDC (x402, Base): URL to clean markdown. Over MCP this returns payment requirements; settle by calling POST /v1/scrape/markdown with x402 payment headers.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "url": {
            "format": "uri",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "scrape_markdown"
    }
  ]
}

What the leaf hashes

{"body":"b3eec8132242fae99d8d0667cfa1c4b00aed1b60b3b53aa42e80d83aeed8a5a5","id":1257212,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793376611588439,"prev":1226271,"subject":"5262c1fc-f142-4070-b791-881ffb97c68a","subject_kind":"endpoint"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.