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Evidence row 578016

Observed , by probe.mcp/1.

Kind
mcp.tools
About
endpoint 6597cff1-0e11-423e-beed-c2366a784d9b
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5248f7dda8b5a9e04d8dad600041b0e135087c1a38a992a4856bcc5f274271be
Leaf
0x66b46e918f0a4b6093cc14661393650f39baf01b5e94aea3d7347b7484d88105

What was observed

{
  "count": 12,
  "tools": [
    {
      "description": "按最新（或指定日期）参考汇率换算两种货币金额。当任务涉及\"100美元等于多少人民币/汇率多少\"时使用。典型输入：{\"amount\":100,\"from\":\"USD\",\"to\":\"CNY\"}；货币用 ISO 三字母代码。数据源为欧洲央行参考汇率（免费）。",
      "inputSchema": {
        "properties": {
          "amount": {
            "default": 1,
            "description": "金额，默认 1",
            "type": "number"
          },
          "date": {
            "default": "",
            "description": "历史日期 YYYY-MM-DD，留空取最新",
            "type": "string"
          },
          "from": {
            "description": "源货币代码，如 USD、CNY、JPY",
            "type": "string"
          },
          "to": {
            "description": "目标货币代码，如 CNY、EUR、HKD",
            "type": "string"
          }
        },
        "required": [
          "from",
          "to"
        ],
        "type": "object"
      },
      "name": "currency_convert"
    },
    {
      "description": "查询主要货币兑某基准货币（如美元）的实时汇率，返回各主流币种的最新汇率。当任务涉及「美元汇率多少」「各币种兑人民币汇率」「最新外汇牌价」时使用。典型输入：{\"base\":\"USD\"}；base 留空默认 USD，返回 CNY/EUR/JPY/GBP/HKD 等主流币种汇率。数据源 open.er-api.com（免费，更新较及时）。",
      "inputSchema": {
        "properties": {
          "base": {
            "description": "基准货币代码，默认 USD，如 USD、CNY、EUR",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "exchange_rate"
    },
    {
      "description": "搜索 Hacker News 最新科技资讯与讨论，返回标题/链接/热度/评论数/作者。当任务涉及「最近 AI 或 MCP 有什么新动态」「科技圈热门话题」时使用。典型输入：{\"query\":\"MCP\",\"hitsPerPage\":10}；可用 tags 过滤 story/ask_hn/show_hn。数据源 Algolia HN Search API。",
      "inputSchema": {
        "properties": {
          "hitsPerPage": {
            "description": "返回条数，默认 10",
            "type": "number"
          },
          "query": {
            "description": "搜索关键词，如 AI agent、MCP",
            "type": "string"
          },
          "tags": {
            "description": "内容类型过滤，如 story、show_hn、ask_hn",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "hacker_news_search"
    },
    {
      "description": "查询中国法定节假日与调休安排：某天是否放假、节日名称、调班信息。当任务涉及\"国庆放几天/某天是否上班/下个假期\"时使用。典型输入：{\"date\":\"2026-10-01\"}；date 留空查询今天。2026 年数据内置离线可查。",
      "inputSchema": {
        "properties": {
          "date": {
            "default": "",
            "description": "日期 YYYY-MM-DD，留空为今天",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "holiday_cn"
    },
    {
      "description": "查询 IPv4 地址的地理位置与网络信息（国家/省市/运营商/机构/时区）。当任务涉及「这个 IP 在哪」「什么运营商」「来源归属」时使用。典型输入：{\"ip\":\"8.8.8.8\"}；ip 留空则查询调用方自身出口 IP。数据源 ip-api.com。",
      "inputSchema": {
        "properties": {
          "ip": {
            "description": "IPv4 地址，如 8.8.8.8；留空查询当前出口 IP",
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "ip_info"
    },
    {
      "description": "查询 IPv4 地址的归属地（国家/省市/运营商/时区）。当任务涉及\"这个 IP 是哪里的/来源归属\"时使用。典型输入：{\"ip\":\"8.8.8.8\"}；ip 留空则查询调用方自身出口 IP。",
      "inputSchema": {
        "properties": {
          "ip": {
            "default": "",
            "description": "IPv4 地址，如 8.8.8.8；留空查询调用方自身 IP",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "ip_locate"
    },
    {
      "description": "获取指定时区的当前日期时间。当任务涉及\"现在几点/今天日期/某时区当前时间/时差换算\"时使用。典型输入：{\"timezone\":\"Asia/Shanghai\"}；也接受中文城市名如\"东京\"、\"纽约\"，缺省为北京时间。",
      "inputSchema": {
        "properties": {
          "format": {
            "default": "iso",
            "description": "输出格式：iso（默认）或 human（中文可读）",
            "enum": [
              "iso",
              "human"
            ],
            "type": "string"
          },
          "timezone": {
            "default": "Asia/Shanghai",
            "description": "IANA 时区名（如 Asia/Shanghai）或中文城市名（如 东京），默认 Asia/Shanghai",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "time_now"
    },
    {
      "description": "管理待办事项清单：新增/查看/完成/删除/清空。当任务涉及\"记个待办/我还有哪些事/把某条标记完成\"时使用。典型输入：{\"action\":\"add\",\"title\":\"周五前提交周报\"}；数据按调用方隔离，可用 list 参数分清单（默认 default）。",
      "inputSchema": {
        "properties": {
          "action": {
            "description": "操作：add 新增 / list 查看 / complete 完成 / delete 删除 / clear 清空已完成",
            "enum": [
              "add",
              "list",
              "complete",
              "delete",
              "clear"
            ],
            "type": "string"
          },
          "id": {
            "description": "待办 ID（complete/delete 时必填，list 结果中可见）",
            "type": "integer"
          },
          "include_done": {
            "default": true,
            "description": "list 时是否包含已完成，默认 true",
            "type": "boolean"
          },
          "list": {
            "default": "default",
            "description": "清单名，默认 default",
            "type": "string"
          },
          "title": {
            "description": "待办内容（add 时必填），如 周五前提交周报",
            "type": "string"
          }
        },
        "required": [
          "action"
        ],
        "type": "object"
      },
      "name": "todo_manage"
    },
    {
      "description": "在长度/重量/温度/体积/速度/面积/数据量单位之间换算。当任务出现\"多少公里等于多少英里/磅换算公斤/华氏度转摄氏度\"等需求时使用。典型输入：{\"value\":100,\"from\":\"km\",\"to\":\"mi\"}；单位支持中英文（如 公里、kg、°C、GB）。",
      "inputSchema": {
        "properties": {
          "from": {
            "description": "源单位（中英文均可），如 km、公斤、°C、GB",
            "type": "string"
          },
          "to": {
            "description": "目标单位，如 mi、斤、°F、MB",
            "type": "string"
          },
          "value": {
            "description": "数值，如 100",
            "type": "number"
          }
        },
        "required": [
          "value",
          "from",
          "to"
        ],
        "type": "object"
      },
      "name": "unit_convert"
    },
    {
      "description": "查询任意中文/英文城市的当前天气与未来数日预报（温度、天气现象、风力、湿度）。当任务涉及\"某地天气/要不要带伞/未来几天温度\"时使用。典型输入：{\"city\":\"北京\",\"days\":3}；城市直接用名称，无需经纬度。",
      "inputSchema": {
        "properties": {
          "city": {
            "description": "城市名，如 北京、上海、深圳、Hangzhou",
            "type": "string"
          },
          "days": {
            "default": 1,
            "description": "预报天数 1-7，默认 1（仅当前天气）",
            "type": "integer"
          }
        },
        "required": [
          "city"
        ],
        "type": "object"
      },
      "name": "weather_query"
    },
    {
      "description": "抓取指定 URL 网页并提取正文纯文本（去脚本/样式/标签，自动截断）。当任务涉及\"总结这个链接/读取网页内容/提取文章正文\"时使用。典型输入：{\"url\":\"https://example.com\",\"max_chars\":3000}。仅支持公开可访问的 http/https 页面。",
      "inputSchema": {
        "properties": {
          "max_chars": {
            "default": 3000,
            "description": "返回正文最大字符数，默认 3000，上限 10000",
            "type": "integer"
          },
          "url": {
            "description": "完整 URL（含 http:// 或 https://）",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "web_fetch"
    },
    {
      "description": "查询指定时区的当前日期时间、星期与夏令时状态。当任务涉及「某时区现在几点」「时差换算」时使用。典型输入：{\"timezone\":\"Asia/Shanghai\"}；timezone 用 IANA 时区名（如 America/New_York、Europe/London）。数据源 worldtimeapi.org。",
      "inputSchema": {
        "properties": {
          "timezone": {
            "description": "IANA 时区名，如 Asia/Shanghai、America/New_York、Europe/London",
            "type": "string"
          }
        },
        "required": [
          "timezone"
        ],
        "type": "object"
      },
      "name": "world_time"
    }
  ]
}

What the leaf hashes

{"body":"5248f7dda8b5a9e04d8dad600041b0e135087c1a38a992a4856bcc5f274271be","id":578016,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793142829374030,"prev":null,"subject":"6597cff1-0e11-423e-beed-c2366a784d9b","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0x66b478962959d8993496017896b2b951fa17c7ba04332249360586a4f322fbac
  2. 0x83f8b4c73c39f6ec768705c5838f2907f434d8e71e9475f169aa8dad81526ac7
  3. 0x7272a9782b4c0ccda4ae72deb07a7555d24573e7793b2d9b43762ddd9667db23
  4. 0xdbf021c4db4c1eeda57d584fb59ac39576fe0bd4a89c93396e36e3c44f5fc4f7
  5. 0xdc3fbadc135b8f9d13175ef139aeb165c28533f55fbf3cf03ce94580a095c649
  6. 0xd4f700a8c208b4774094de749adbb04433d9d64a3e43c4af162de2f75a394e2d
  7. 0x2e3221fbbe292a96dfe2f6323cb2907df141a711b87e4a03f8b3e2856816161f
  8. 0x3d1cbef5ec217e2c2a52769fdd68944785fdc15545ee8c7667d973f0740f1422
  9. 0x9f119c874a48d9d4f129bb61d7949e1e4ca09f848609f6d8ef1cb8ec81baaf56
  10. 0x39e7cb0bc43817dc76aec608a58b43a8f8a3b81ac0460e9309eaeaae42e5c6a9
  11. 0x2790beb45139410d982bf832095cfc669288d124f5200d2bdd191f14d8df7e4e
  12. 0xfc80c3ec28002b5abbe969b82c8409cc3216ef75df720eab92db371621f671d9
  13. 0x4c257542b0421f909cc313308d9054fb29b4b46d9dca1b83169d04797233fda2
  14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
  15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
  16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
  17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON