cnb
Official ČNB exchange rates — daily & historical CZK vs EUR, USD, 30+ currencies. For accounting.
我该使用它吗
质量与安全性
A
发现（1）
- LOWTool 'get_rate' description lacks action verb在 get_rate 中
基于对工具定义和协议合规性的自动分析。
上下文开销
~563token 数（工具定义）
~1.2 KB典型响应大小
对注意力的影响极小（占 128k 上下文窗口的 0.44%）
这是每次将服务器的工具加载到模型上下文窗口时所消耗的大致 token 数。数值越高，可用于其他任务的注意力就越少。
安装
一键安装
将以下内容添加到你的 `claude_desktop_config.json` 文件中：
{
"mcpServers": {
"cnb": {
"command": "npx",
"args": [
"@czagents/cnb"
]
}
}
}可运行的软件包
npm@czagents/cnb
0.1.5stdio远程端点
https://cnb.cz-agents.dev/mcpstreamable-http它能做什么
工具清单
工具（3）
🟢 只读🟡 写入🔴 删除⚪ 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.
输入模式
{
"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.
输入模式
{
"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).
输入模式
{
"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#"
}社区
证据
最近观测
已验证未记录版本3 个工具
已验证未记录版本3 个工具