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cnb

Official ČNB exchange rates — daily & historical CZK vs EUR, USD, 30+ currencies. For accounting.

我該用這個嗎

品質與安全性

A
說明品質
90%
結構描述完整度
97%
命名品質
100%
汙染風險
100%
權限相符程度
100%
協定合規性
100%

發現項目（1）

  • LOWTool 'get_rate' description lacks action verb在 get_rate 中

根據工具定義與協定合規性的自動化分析。

上下文成本

~563Token（工具定義）
~1.2 KB典型回應大小
極小的注意力影響（128k 上下文的 0.44%）

這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。

安裝

一鍵安裝

將以下內容加入你的 `claude_desktop_config.json` 檔案：

{
  "mcpServers": {
    "cnb": {
      "command": "npx",
      "args": [
        "@czagents/cnb"
      ]
    }
  }
}

可執行的套件

npm@czagents/cnb0.1.5stdio

遠端端點

https://cnb.cz-agents.dev/mcpstreamable-http

它能做什麼

工具清單

工具（3）

🟢 唯讀🟡 寫入🔴 刪除⚪ 未知
🟢get_rates(date)

Get official CZK exchange rates published by ČNB. Returns all currencies from the daily sheet (~31 majors). Optional `date` parameter (YYYY-MM-DD) for historical rates; otherwise returns latest.

輸入結構描述

{
  "type": "object",
  "properties": {
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Optional ISO date (YYYY-MM-DD) for historical rates. Omit for latest."
    }
  },
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢convert(amount, from, to, date)

Convert an amount between two currencies using official ČNB rates. E.g., convert 100 EUR to CZK, or 50 USD to GBP (goes via CZK cross-rate). Optional `date` for historical conversion.

輸入結構描述

{
  "type": "object",
  "properties": {
    "amount": {
      "type": "number",
      "description": "Amount to convert."
    },
    "from": {
      "type": "string",
      "minLength": 3,
      "maxLength": 3,
      "description": "Source currency ISO 4217 code (e.g., \"EUR\", \"USD\", \"CZK\")."
    },
    "to": {
      "type": "string",
      "minLength": 3,
      "maxLength": 3,
      "description": "Target currency ISO 4217 code."
    },
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Optional ISO date for historical rates. Omit for latest."
    }
  },
  "required": [
    "amount",
    "from",
    "to"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢get_rate(code, date)

Quick single-currency lookup. Returns just the CZK rate for one currency (or all rates if no code given).

輸入結構描述

{
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "minLength": 3,
      "maxLength": 3,
      "description": "ISO 4217 currency code (e.g., \"EUR\", \"USD\", \"GBP\")."
    },
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Optional ISO date for historical rate."
    }
  },
  "required": [
    "code"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}

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