ČNB Exchange Rates
Official Czech National Bank exchange rates for CZK and 30+ currencies, daily and historical.
Connects to the Czech National Bank (ČNB) for official daily and historical exchange rates. Muse can look up current or past CZK rates against EUR, USD and other major currencies, and convert amounts between any two currencies for accounting and business use.
Try asking Muse: "What was the EUR to CZK exchange rate on January 15th for my invoice?"
Source: Found in the official MCP Registry (dev.cz-agents/cnb) · First listed September 24, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 1 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://cnb.cz-agents.dev/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 1383ms. Worked in 100% of checks over 30 days.
Screening · September 24, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 3
get_ratesGet 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.convertConvert 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.get_rateQuick single-currency lookup. Returns just the CZK rate for one currency (or all rates if no code given).Recent checks
Link
https://cnb.cz-agents.dev/mcpQuestions about ČNB Exchange Rates in Muse
How do I connect ČNB Exchange Rates to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use ČNB Exchange Rates to help me. It is a free service with an MCP server at https://cnb.cz-agents.dev/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is ČNB Exchange Rates working right now?
At the last check (September 28, 2026, 08:01 UTC) the endpoint was working, answering in 1383ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is ČNB Exchange Rates safe to connect to Muse?
It was screened on September 24, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can ČNB Exchange Rates do in Muse?
It exposes 3 tools, including get_rates, convert, get_rate. For example, you could ask Muse: "What was the EUR to CZK exchange rate on January 15th for my invoice?"
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<a href="https://musedirectory.ai/connector/c-nb-exchange-rates"><img src="https://musedirectory.ai/badge/c-nb-exchange-rates.svg" alt="ČNB Exchange Rates on musedirectory.ai" width="236" height="40"></a>