Czech National Bank

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Czech National Bank (Česká národní banka, ČNB) public API MCP. Keyless.

5 tools
0ms auth
free tier 50 calls/day

Tools

exchange_rates

ČNB official daily exchange rates against the Czech koruna (CZK) for a given day. Returns one entry per listed currency (~30 currencies, e.g. USD, EUR, GBP, JPY) with country, currency, currencyCode,

No parameters required.

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exchange_rates_currency_month

Daily ČNB exchange rates for ONE currency across a whole month — a per-currency time series against CZK. Returns currencyCode, amount, validFor (YYYY-MM-DD) and rate for each working day in the month.

No parameters required.

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monthly_averages

Monthly average exchange rates for ONE currency against CZK, across all available years. Returns month (e.g. "JAN"), year, currencyCode, amount and average. Useful for historical trend/year-over-year

No parameters required.

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pribor

PRIBOR — the Prague Interbank Offered Rate (CZK money-market reference rates) for a given day. Returns one entry per tenor (period: ONE_DAY, ONE_WEEK, ONE_MONTH, THREE_MONTH, SIX_MONTH, ONE_YEAR, etc.

No parameters required.

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czeonia

CZEONIA — the Czech Overnight Index Average (the reference rate for actual overnight CZK interbank deposits) for a given day. Returns validFor, the overnight rate (percent) and traded volume in CZK mi

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/cnb-cz/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/cnb-cz/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"exchange_rates","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("exchange_rates", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("czech national bank (česká národní banka, čnb) public api mcp");