Exchange Rates
Convert currencies and check exchange rates from ECB data going back to 1999.
Get current and historical exchange rates for 30+ currencies using European Central Bank data. Convert amounts between any two currencies, check rates for specific dates, and analyze historical trends with SQL queries.
Try asking Muse: "Convert 500 euros to US dollars at today's rate."
Source: Found in the official MCP Registry (io.github.cyanheads/exchange-rates-mcp-server) · First listed September 25, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
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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://exchange-rates.caseyjhand.com/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: 466ms. Worked in 100% of checks over 30 days.
Screening · September 25, 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 · 7
fx_list_currenciesList all supported ISO 4217 currency codes with their full names. Call this before converting to disambiguate "dollars" (USD vs AUD vs CAD vs HKD vs SGD) or to validate a user-supplied currency code. Covers the ~30 ECB reference currencies.fx_get_ratesGet all available exchange rates for one base currency in a single snapshot. Useful for bulk comparison and seeding downstream tools. Returns a map of quote currency → rate, the actual snapshot date, and whether a historical date was snapped from a weekend/holiday to the prior bufx_get_rateGet the exchange rate for a currency pair on a given date (default: latest). Returns the rate, the actual rate date (which may differ from the requested date on weekends/holidays — ECB publishes business days only), and source provenance. Cross-rates are triangulated through EUR fx_convert_currencyConvert an amount between any two currencies at the latest or a historical rate. Returns the converted amount, the rate used, the actual rate date, and whether the date was snapped from a weekend/holiday to the prior business day. Cross-rates are triangulated through EUR automatifx_get_timeseriesGet historical daily exchange rates for a currency pair over a date range. ECB publishes on business days only — weekends and holidays produce no entry, and no date outside the requested range is ever returned, so a range covering only non-publication days comes back with an emptfx_dataframe_describeList tables and columns staged on a DataCanvas from a prior fx_get_timeseries call. Required first step before fx_dataframe_query — use it to discover table names and column schemas. Requires DataCanvas (CANVAS_PROVIDER_TYPE=duckdb) — without it this tool is not listed at all andfx_dataframe_queryRun a read-only SQL SELECT against DataCanvas tables staged by fx_get_timeseries. Supports aggregations, GROUP BY, window functions, and JOINs across multiple registered tables. Run fx_dataframe_describe first to discover table names and column schemas. Requires DataCanvas (CANVARecent checks
Link
https://exchange-rates.caseyjhand.com/mcpQuestions about Exchange Rates in Muse
How do I connect Exchange Rates to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Exchange Rates to help me. It is a free service with an MCP server at https://exchange-rates.caseyjhand.com/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 Exchange Rates working right now?
At the last check (September 28, 2026, 07:00 UTC) the endpoint was working, answering in 466ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Exchange Rates safe to connect to Muse?
It was screened on September 25, 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 Exchange Rates do in Muse?
It exposes 7 tools, including fx_list_currencies, fx_get_rates, fx_get_rate, fx_convert_currency. For example, you could ask Muse: "Convert 500 euros to US dollars at today's rate."
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