OpenExchangeAPI MCP. Audit any rate, past or present, without leaving chat.
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OpenExchangeAPI connects global financial data to your AI client. It lets your agent retrieve real-time exchange rates for over 200 currencies, audit historical market trends, and perform instant conversions without you ever opening a dedicated finance terminal.
Need to know how much 100 USD was worth in BRL back in 2020? Or just need today's rate for EUR/JPY? This server handles all the complex math and data retrieval.
What your AI agents can do
Convert currency
Converts a specified amount from one currency code pair to another.
Get api usage
Shows your current API quota and remaining plan details for usage monitoring.
Get historical rates
Retrieves the exchange rate between two currencies on a single, specific past date.
You tell your agent an amount and two currencies; it returns the precise converted value.
Your agent gets a list of live, up-to-the-minute exchange rates based on a chosen base currency.
You specify a target date and two currencies; the tool returns the exact exchange rate from that day.
Your agent queries how an exchange rate changed across a specified start and end date range.
The tool provides the full list of currency codes and names the API recognizes.
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Supported MCP Clients
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OpenExchangeAPI: 6 Tools for Financial Data & Conversions
Use these tools to run precise financial queries through your AI agent. Convert amounts, retrieve current market rates, or audit historical data points.
019d8463convert currency
Converts a specified amount from one currency code pair to another.
019d8463get api usage
Shows your current API quota and remaining plan details for usage monitoring.
019d8463get historical rates
Retrieves the exchange rate between two currencies on a single, specific past date.
019d8463get latest rates
Gets the most current market rates for a specified base currency against all others.
019d8463get rate time series
Pulls historical rate data and trends across a defined start date and end date range.
019d8463list supported currencies
Lists all currency codes and names that the API recognizes for use in queries.
Choose How to Get Started
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Build Your Own
Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.
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- Works with Claude, ChatGPT, Cursor, and more
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What you can do with this MCP connector
Listen up. OpenExchangeAPI plugs global financial data right into your agent. Forget copying rates from some dodgy website; your AI client treats this exchange rate info like any other piece of structured data—it just pulls it straight through the API. This server lets you handle complex international money tasks and audit currency history using nothing but natural conversation.
Here’s what you can make your agent do:
- Get Live Rates: Your agent gets the most current market rates whenever you need 'em. You just tell it which base currency you want, and it spits out a list of live exchange rates for that currency against every other one recognized by the API.
- Convert Money: Need to know what 100 bucks is worth in Euros? Your agent handles that conversion instantly. You give it an amount and two currencies; it returns the precise converted value. It's built right into the
convert_currencytool. - Check Specific Dates: Wanna see how much a dollar was worth in BRL way back in 2018? No sweat. The
get_historical_ratestool lets you specify both two currencies and a single, exact past date. Your agent returns the precise exchange rate from that day. - Analyze Trends Over Time: You can't just check one day; sometimes you gotta see the whole picture. The
get_rate_time_seriestool pulls historical data and trends across defined start and end dates. This lets your agent chart how an exchange rate changed over a specified period, like tracking a currency pair through a full quarter. - Know Your Currencies: If you’re not sure what codes the API uses, don't sweat it. The
list_supported_currenciestool gives you the whole list of every recognized currency code and its name so you know exactly what to put in your queries.
When you run these tools through your agent, it manages all the complex math and data retrieval for you. You just ask a question—like, “What was 500 AUD worth in CAD last year?” or “Give me today’s rates against USD”—and the agent uses the right tool to run the query and gives you the accurate number.
Your AI client also keeps track of how much juice you're using. If you need to monitor your usage, the get_api_usage tool shows your current API quota and any remaining plan details so you know exactly what’s left. This makes managing massive data pulls simple.
This server is for anyone dealing with money across borders—from e-commerce platforms checking pricing to people doing intense international budgeting or academic research that needs verifiable, minute-by-minute market data. It acts like a dedicated financial analyst who never gets tired and always cites the source.
How OpenExchangeAPI MCP Works
- 1 First, subscribe to this server and provide your Open Exchange Rates App ID.
- 2 Next, trigger a request through your AI client using natural language (e.g., "Get the latest rate for USD/JPY.").
- 3 The agent executes the required tool call, retrieves the data, and hands you back the specific conversion or rate figure.
The bottom line is that it lets your AI client execute complex financial calculations using precise API calls, all based on simple chat prompts.
Who Is OpenExchangeAPI MCP For?
Anyone who deals with money across borders needs this. It’s for the finance team member stuck in spreadsheets, the e-commerce manager pricing products globally, or the developer building a financial model that can't afford to be wrong. You need reliable, auditable rate data without leaving your chat interface.
Runs deep audits by using get_rate_time_series to track currency performance over years for quarterly reports.
Verifies pricing and conversion paths for international storefronts by calling convert_currency before a product goes live in a new market.
Performs rapid, natural language checks of current rates using get_latest_rates to spot immediate market trends.
What Changes When You Connect
- Immediate Rate Checks: Stop searching for today's exchange rates. You can ask your agent to run
get_latest_ratesand get the current market value instantly, no manual lookup required. - Deep Historical Auditing: Need proof of what a rate was in 2019? Use
get_historical_rates. It pulls specific data points for auditing purposes, making your financial research defensible. - Modeling Trends Over Time: Instead of single-point checks, run
get_rate_time_seriesto plot performance across months or years. This is critical when modeling multi-year investments. - Simple Conversions on Demand: The
convert_currencytool handles the math. You just tell your agent "Convert 100 GBP to JPY," and it gives you the final, accurate number. - Know Your Limits: Use
get_api_usageto check your quota in real time. This keeps your research flowing smoothly without hitting unexpected API limits.
Real-World Use Cases
A company is expanding into South America and needs to price a product.
The e-commerce manager asks the agent: "What was the average USD/BRL rate over Q1 last year?" The agent runs get_rate_time_series for that period. This gives the manager a reliable, audited pricing benchmark instead of just using today's fluctuating rate.
A financial analyst is writing a report on post-pandemic market volatility.
The analyst asks: "Show me the USD/JPY rate for January 1st, 2020." The agent calls get_historical_rates. This instantly provides the exact data point needed, allowing the analyst to build accurate historical comparisons without manual database queries.
An international team needs to quickly calculate payroll conversions.
The ops lead asks: "Convert 500 EUR to CAD using the current rate." The agent uses convert_currency, getting an instant, accurate figure. This saves minutes of cross-checking with external calculators and keeps the process in one chat window.
A developer is building a financial dashboard that needs reliable data sources.
The developer first calls list_supported_currencies to validate all possible codes. Then, they use get_latest_rates to establish the current base rates, ensuring their application only handles valid currency pairs.
The Tradeoffs
Using generic web scrapers
Trying to copy exchange rates from a general search engine or financial website. These sources often lack clean data formats, are hard to parse, and rarely guarantee real-time accuracy.
→
Always use the specialized tools. For current rates, run get_latest_rates. For historical audits, always call get_historical_rates with a specific date.
Assuming all rates are 'live'
Running a calculation using today's rate when the financial audit requires data from three months ago. This leads to completely inaccurate historical reporting.
→
If you need past performance, don't guess. You must use get_historical_rates or get_rate_time_series, providing an explicit date parameter.
Ignoring rate limits
Running hundreds of conversion checks in a tight loop without knowing the API quota, resulting in immediate service downtime and lost work.
→
Check your budget first. Always call get_api_usage before running large batches of queries to prevent hitting usage ceilings.
When It Fits, When It Doesn't
Use this server if your primary need is auditability or real-time, structured financial data—specifically when you must know the rate as of a single date, or when you're comparing rates across months. Don't use it if you just want a quick rough estimate; those calculators are fine for that. Use this only when you need the precise exchange rate to ground a decision.
Specifically: If you need today’s best guess, run get_latest_rates. If you need proof from last Tuesday, use get_historical_rates (the single-point check). If you need to see how it moved over an entire quarter, then you must call get_rate_time_series. Never assume any rate is available without calling a tool; the API requires specific parameters for every request.
Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Open Exchange Rates. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This server provides 6 capabilities that interface natively with Claude, ChatGPT, Cursor, and any MCP client. No middleware. No custom integration required.
Available Capabilities
Today, checking currency rates means context switching and copy-pasting data everywhere.
You find today's exchange rate on one website. Then you need to check that same pair from six months ago, so you open a second tab and manually enter the date into a different calculator. If your project needs five different currency pairs across three distinct time periods, you’re talking about twenty tabs, three separate logins, and hours of copy-pasting just to build one comparison chart.
With OpenExchangeAPI, all that disappears. You tell your agent what rate you need—whether it's 'today' or 'on 2021-05-15.' The tool handles the date logic and data retrieval in a single call, giving you the precise number you need without ever leaving the chat window.
OpenExchangeAPI MCP Server: Get auditable rates from your agent.
Manual rate checks force you to treat data as static. You lose the ability to easily track changes, making it hard to argue why a price was set at $10 last quarter versus today's $9.95. It forces reliance on external tools that are difficult to cite.
Now, every number is auditable. Your agent runs `get_historical_rates` and provides the source data directly in your workflow. You get an accurate, verifiable rate instantly, making your financial models airtight.
Common Questions About OpenExchangeAPI MCP
How do I use OpenExchangeAPI with convert_currency? +
You just ask your agent to perform the conversion in natural language. You specify the amount and both currency pairs (e.g., "Convert 500 AUD to CAD."). The tool handles the rest.
Can OpenExchangeAPI get rates for a specific date? +
Yes, you use get_historical_rates. You must provide the exact target date and the currency pair. It returns the rate that was valid on that day only.
What is better: get_latest_rates or convert_currency? +
convert_currency is faster for a single calculation. Use it when you just need one final number. If you need to know the base rate against all currencies, use get_latest_rates first.
Does OpenExchangeAPI handle complex trends? +
Yes, for multi-point analysis, use get_rate_time_series. This tool lets you define a start and end date to see how rates shifted across the entire time window.
How do I check my API usage and limits using `get_api_usage`? +
The tool provides your current consumption metrics immediately. You get real-time data on the number of calls made and details about your plan. This lets you monitor your research budget, so you never hit an unexpected rate limit during a workflow.
How do I find out which currencies are available using `list_supported_currencies`? +
This tool returns a complete list of all supported currency codes and their names. You should run this first to ensure your agent knows every valid pair before attempting any conversions or rate lookups.
What is the difference between `get_historical_rates` and `get_rate_time_series`? +
get_historical_rates gives you one fixed exchange rate for a single date. Use get_rate_time_series when you need rates that cover an entire, measurable period or span multiple specific dates.
Do I need to provide my App ID every time I use OpenExchangeAPI? +
No, you configure your OpenExchangeAPI credentials once within the MCP Server setup. Your agent uses this stored key for all subsequent calls, ensuring secure and uninterrupted data retrieval.
How do I find my OpenExchange App ID? +
Log in to your Open Exchange Rates dashboard, and you will find your App ID on the home page. Copy and paste it below.
Does it support historical data? +
Yes. The get_historical_rates tool allows you to retrieve the official closing rates for any date since 1999.
Can the agent perform currency conversions? +
Yes. The convert_currency tool calculates the conversion between two currencies based on the latest market data instantly.
Use it with your favorite AI tools
Connect this server to Cursor, Claude, VS Code, and more.
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