@czagents/cnb MCP Server

The dev.cz-agents/cnb MCP server provides official Czech National Bank (ČNB) exchange rates. It supports daily and historical rates for CZK against EUR, USD, and 30+ currencies, sourced directly from the central bank. It is intended for accounting workflows involving invoices and currency conversion.

🛠️ Key Features

Official ČNB exchange rates
Daily and historical CZK rates vs EUR, USD, and 30+ currencies
Tools available: get_rates
Tool count: 3

🚀 Use Cases

Accounting and invoicing in the Czech Republic
Currency conversion based on authoritative central bank data
Retrieving a full daily currency sheet for latest or historical ISO dates

⚡ Developer Benefits

Integrates via MCP (topic: mcp, mcp-server)
Supports get_rates for full daily sheets (latest or historical ISO date)
Developer-facing installation and usage described in the readme excerpt

⚠️ Limitations

The get_rates tool is described as not for certain conditions (“Do not use it when on…” is truncated in the provided excerpt)

{ "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#" }

{ "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#" }

{ "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#" }

Tools

get_rates

Use it to obtain the full ČNB daily currency sheet, either latest or for a valid historical ISO date. Do not use it when only one currency rate is needed; use get_rate.

json

{"date":"2024-01-15"}

convert

Use it to convert a numeric amount between ISO 4217 currencies with ČNB’s official daily rates, including a historical date when necessary. Do not use it for a rate quotation without an amount; use get_rate.

json

{"amount":100,"from":"USD","to":"CZK","date":"2024-01-15"}

get_rate

Use it to retrieve one currency’s official CZK rate from the latest or a historical ČNB sheet. Do not use it for a cross-currency conversion such as USD to EUR; use convert.

json

{"code":"EUR","date":"2024-01-15"}

dev.cz-agents/cnb

@czagents/cnb MCP Server

🛠️ Key Features

🚀 Use Cases

⚡ Developer Benefits

⚠️ Limitations

Topics

get_rates

convert

get_rate

@czagents/cnb

Install

Usage with Claude Desktop

Tools

`get_rates`

`convert`

`get_rate`

Self-host

Free tier & pricing

License

Install

Related servers

amount	number	required	Amount to convert.
from	string	required	Source currency ISO 4217 code (e.g., "EUR", "USD", "CZK").
to	string	required	Target currency ISO 4217 code.
date	string	optional	Optional ISO date for historical rates. Omit for latest.

code	string	required	ISO 4217 currency code (e.g., "EUR", "USD", "GBP").
date	string	optional	Optional ISO date for historical rate.