# OpenExchangeAPI MCP > OpenExchangeAPI provides your AI agent with reliable access to global financial data. It lets you instantly retrieve current exchange rates for over 200 currencies, audit historical currency trends for any date, and perform accurate conversions between any two money pairs. Stop switching tabs or manually checking rate websites; just ask your agent. ## Overview - **Category:** money-moves - **Price:** Free - **Tags:** currency-conversion, exchange-rates, financial-data, real-time-rates, forex, historical-data ## Description OpenExchangeAPI connects your AI client directly to up-to-the-minute global financial data. Instead of opening a web browser or running complex spreadsheet formulas, you simply talk to your agent. It handles the heavy lifting, acting as an instant financial analyst that keeps all your research grounded in accurate market rates. Your agent can check current exchange rates for any base currency and list every supported code if you need it. Want to audit a transaction from five years ago? You just ask for historical data on a specific date, and the rate shows up instantly. It even tracks how rates change over an entire period, letting you monitor performance trends easily. Because this MCP is hosted on Vinkius, you get access to a unified catalog of financial tools alongside your AI client. This means whether you're doing market analysis or managing international budgets, all the necessary currency intelligence is available in one conversation. ## Tools ### convert_currency Converts a specific amount from one designated currency to another. ### get_historical_rates Retrieves the exact exchange rates that were active on a single, chosen historical date. ### get_latest_rates Fetches the most current market exchange rates based on a specified base currency. ### get_rate_time_series Gathers and plots historical rates across an entire defined period of time. ### get_api_usage Provides real-time details about your current usage count and overall plan limits. ### list_supported_currencies Lists all the currency codes and names that this MCP can currently support for queries. ## Prompt Examples **Prompt:** ``` Get the latest exchange rates for 'EUR' using OpenExchangeAPI. ``` **Response:** ``` I've retrieved the latest rates with EUR as the base. Notable pairs include EUR/USD at 1.08 and EUR/GBP at 0.85. Would you like the full list of supported currencies? ``` **Prompt:** ``` Convert 100 USD to BRL. ``` **Response:** ``` Conversion complete! 100 USD is currently equivalent to 495.50 BRL based on the latest market data. Would you like me to check the historical rate for this pair? ``` **Prompt:** ``` What was the exchange rate for USD/JPY on 2020-01-01? ``` **Response:** ``` I've retrieved the historical data for January 1st, 2020. The rate for USD/JPY was approximately 108.61. I can also provide the rates for other symbols on that date if needed. ``` ## Capabilities ### Determine current exchange rates Get real-time rates for a base currency against many others. ### Calculate specific currency conversions Convert any amount from one currency to another using the latest market data. ### Audit historical financial trends Retrieve exchange rates for a specific date in the past or monitor rates across an entire time period. ### List all currency codes Get a full list of every supported currency code and its name to ensure accuracy. ### Monitor API usage Check your current usage limits and plan metadata to keep track of your research budget. ## Use Cases ### Auditing a past transaction A financial analyst needs to know the exact exchange rate used when a client paid 10,000 GBP on October 15th of last year. The agent runs get_historical_rates and delivers the precise conversion value, allowing the audit to close immediately. ### Setting up global e-commerce pricing An e-commerce manager needs to list products across five different markets. They ask the agent to run get_latest_rates and convert_currency for all pairs, ensuring every storefront is priced accurately based on today's market rates. ### Monitoring currency risk A team lead needs a visual overview of how the JPY has fluctuated against the USD over the last 18 months. They run get_rate_time_series, getting a comprehensive view that highlights peak volatility periods. ### Quick internal validation A developer needs to confirm if 'CAD' is a supported currency code before writing conversion logic. They simply ask the agent to list_supported_currencies and get the full, validated list instantly. ## Benefits - Instant Market Analysis: Using get_latest_rates, you instantly know the current exchange rates for any base currency without visiting a financial terminal. - Historical Auditing Power: The get_historical_rates tool lets you audit specific dates. You can check what USD/EUR was worth exactly three years ago. - Long-Term Trend Spotting: Need to see how a pair performed over months? get_rate_time_series maps the rate movement, turning raw data into actionable trend lines. - International Budgeting: The convert_currency function handles complex math instantly, ensuring your international pricing is accurate every time. - Complete Visibility: Running list_supported_currencies confirms you're using the right code for any currency pair, eliminating costly manual errors. ## How It Works The bottom line is that you get real-time, historical financial data without ever leaving your conversational interface. 1. Subscribe to this MCP and input your unique Open Exchange Rates App ID. 2. Connect the MCP to your preferred AI client like Claude, Cursor, or Windsurf. 3. Ask your agent a natural language question, such as 'What was the rate for USD/JPY on 2020-01-01?' and receive the answer immediately. ## Frequently Asked Questions **How do I check historical rates using OpenExchangeAPI?** You use get_historical_rates. You just need to tell the agent which currency pair and what specific date you want the rate for, and it delivers that number instantly. **Is OpenExchangeAPI good for large-scale pricing models?** Yes. By running get_rate_time_series, you can analyze rates over long periods to build robust pricing models that account for fluctuation and trend. **Does this MCP support listing all currencies?** Yes. The list_supported_currencies tool gives you a comprehensive rundown of every currency code the system recognizes, helping prevent input errors. **What if I need to convert money between two pairs?** You can use convert_currency for single conversions. If your query is complex, ask your agent to combine multiple calls using different tools like get_latest_rates and then convert_currency. **How do I know if my usage limit is high?** Always check the get_api_usage tool. It provides a real-time report on your API quota, so you don't accidentally run out of credits mid-project.