io.github.theluckystrikePublished by GitHub account theluckystrikev0.21.1Updated Oct 24, 2026
Convert currencies on the daily European Central Bank reference rates. No API key, no signup.
The publisher's own server: Exchange.news — Crypto offers, campaigns and news
Converts amounts and looks up historical rates using the European Central Bank's daily euro reference rates, with the rate date stated in every answer.
Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.
Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.
Read https://sourceweft.com/mcp/io.github.theluckystrike%2Fexchange-rates/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.Add this to your client's mcpServers config.
{
"mcpServers": {
"exchange-rates": {
"type": "http",
"url": "https://mcp.zovo.one/mcp/exchange-rates",
"headers": {
"Authorization": "Bearer <YOUR_TOKEN>"
}
}
}
}Ask your assistant what something is worth in another currency and get a real answer with a date on it. It reads the European Central Bank's daily euro foreign exchange reference rates, the same published series banks, tax authorities and accountants use, converts amounts between any of the currencies the ECB quotes, and shows how a pair has moved over time. There is no API key, no account and no rate limit, because the ECB publishes the file openly. Both files are cached on your own machine, so after the first download every answer is instant and the server keeps working on a plane. Every answer states which rate date it used, because ECB rates are published once a day and a Sunday carries Friday's rate.
Built by theluckystrike.
In the official MCP Registry (io.github.theluckystrike/currency-converter-ecb-rates-daily-keyless).
Listed on the AI Product Index - live remote endpoint at mcp.zovo.one/s/currency, free tier, no signup.
npm publish for @theluckystrike/mcp-currency is pending. Until then, the .mcpb one-click bundle or a clone+build
is the working path, both are verified below.
One-click (.mcpb): download currency.mcpb from the latest release and double-click it in Claude Desktop:
https://github.com/theluckystrike/mcp-servers/releases/latest
(claude_desktop_config.json):
Claude Code:
(.cursor/mcp.json):
The npx form above starts working the moment the package is published. Until then, use the .mcpb bundle above, or
build from source with exactly these three commands:
Then point your client's command at node with one arg: the absolute path to servers/currency/dist/index.js.
To run in Pro mode set MCP_LICENSE_KEY in the same config block, or call license_activate once with your key.
Resource fx://latest exposes the cached rates as JSON. Prompt convert_invoice_lines walks the whole
expense-tracker -> currency -> invoice chain in one step.
A refused history window returns the reason and the exact narrower call to make; it never silently truncates a table and it never returns a transport error.
Get Pro: https://mcp.zovo.one/buy/currency (or $39 for the whole bundle: https://mcp.zovo.one/buy/bundle)
expense_to_invoice takes target_currency plus an fx_rates
object and folds a multi-currency expense set into one invoice currency, but it will not fetch or invent a rate.
fx_rates_for {target, currencies} here returns exactly that object. "Rebill Nova in USD" then works end to end
without the user typing a single exchange rate.invoice_note ("Converted at ECB reference rates of 2026-09-02") on the document so the client can check it.eurofxref-daily.xml and eurofxref-hist.xml.rate_exact is the multiplier, rate is the same rate rounded
to 6 decimals for reading. Recomputing by hand from the 6-decimal rate can differ by a minor unit or two;
it is far out for pairs whose rate is nowhere near 1 (1,000,000 VND is KWD 11.667, not KWD 12.000).All data stays local. The only network request this server makes is to www.ecb.europa.eu for the two public rate
files, and only when the local copy is older than 6 hours (daily) or 24 hours (history). Nothing about your amounts,
your currencies or your machine is sent anywhere. The cache lives in
${XDG_DATA_HOME:-~/.local/share}/mcp-servers/currency/; delete that directory to reset the server. Set
ECB_BASE_URL to point at your own mirror if outbound access is restricted.
MIT licensed. Support: [email protected]. Built by theluckystrike.
Any MCP client (Claude, Cursor, Windsurf, VS Code) can read this repository's documentation directly via GitMCP - no install:
Source: servers/currency/README.md at commit 6535b33
Latest ECB reference rates
Call this tool for the latest ECB daily reference rates against any base: 1.0812 for USD means 1 base = 1.0812 USD. Crosses go through the euro. Returns the ECB rate date and the cache age.
basequotesConvert an amount
Call this tool to convert an amount between any two ECB-quoted currencies, today or on a past date. Returns the converted amount, the cross rate to 6 decimals, the rounding applied and the rate date used.
todatefromrequiredamountrequiredConvert one amount into several currencies
Convert one amount into many currencies off the SAME ECB rate date, each rounded to its own minor units. For several lines at once (mixed-currency invoice lines), call it once per line: every line then shares one rate date. Unknown targets are listed, never failed.
torequiredfromrequiredamountrequiredFX rates in the shape expense-tracker wants
Call this tool when a rebill or an invoice spans more than one currency, instead of asking the user for rates. Returns the fx_rates object expense_to_invoice takes, plus the rate date to write on the invoice.
targetcurrenciesrequiredRate history for a pair
Call this tool for the ECB rate of one currency pair across a window. Returns one row per published day plus the min, max, average and the change. A window wider than the free 90 days is shortened, not refused.
torequireddaysfromrequiredto_datemax_rowsfrom_dateRate on a given date
Call this tool for the ECB rate of one pair on one date. Returns both directions and the rate date, so a reciprocal is never reported as the published figure. A date beyond the free window is shortened, never refused.
torequireddaterequiredfromrequiredCurrencies the ECB quotes
Every currency in the ECB daily set with its rate against the euro and its decimal places. This is the whole domain: a code not on this list cannot be converted, quoted or historised here.
Takes no parameters.
Rate cache status
Report the ECB rate cache here: which dates are held, how old they are and when they refresh. Reads only. Check it before trusting a rate after time offline; a cache that no longer parses is quarantined and named.
Takes no parameters.
License status
Report this endpoint's licence state for your token as JSON: the product, the tier free or pro, why it is not Pro, and the checkout URL. Call it to explain a free-tier refusal. No arguments, nothing changes.
Takes no parameters.
Activate license
Turn Pro on for this connection with key, an MCPL1.<payload>.<signature> issued at checkout for this server or the bundle. Data under your token stays; a wrong or expired key changes nothing. license_status confirms it.
keyrequired100% of the applicable checks met
How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.
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{ "mcpServers": { "currency": { "command": "npx", "args": ["-y", "@theluckystrike/mcp-currency"] } }}claude mcp add currency -- npx -y @theluckystrike/mcp-currency{ "mcpServers": { "currency": { "command": "npx", "args": ["-y", "@theluckystrike/mcp-currency"] } }}git clone https://github.com/theluckystrike/mcp-servers.git && cd mcp-serversnpm installnpm run build -w packages/mcp-license -w servers/currencyexpense_to_invoice {project, from, to} -> which currencies are actually presentfx_rates_for {target: "USD", currencies: [...]} -> {"EUR": 1.0812, "GBP": 1.2717}, rate dateexpense_to_invoice {..., target_currency: "USD", fx_rates: {...}} -> one currency, every line annotatedinvoice_create {currency: "USD", items: [...]} -> the document