MCP server · @czagents/cnb · free

Czech National Bank FX MCP server

Open-source ČNB exchange-rate MCP server: daily Czech National Bank FX rates, currency conversion and historical rates — as MCP tools for Claude, Cursor and any AI agent.

The ČNB exchange-rate MCP server exposes the Czech National Bank daily FX fixing as MCP tools: an AI agent can fetch the official rate for any currency, convert amounts to or from CZK, and read historical rates — no scraping, no API key.

Handy inside invoicing, accounting and compliance agents that need the authoritative CZK rate. Free, open source, deterministic.

Install

npx -y @czagents/cnb

Add it to Claude Desktop or Cursor:

// claude_desktop_config.json "cnb": { "command": "npx", "args": ["-y", "@czagents/cnb"] }

MCP tools

get_ratesconvertget_rate

Which rates does it return?

The official Czech National Bank (ČNB) daily FX fixing — current and historical — plus a convert tool for amounts to/from CZK.

Does it need an API key?

No. @czagents/cnb is free and open source; run it via npx with no key.

Prefer a no-code web app? Run the same checks by IČO in the browser — basic report free, no signup.

Open the web app →

npm: @czagents/cnb · GitHub (open source)

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