# Fixer.io Currency API MCP

> Fixer.io Currency API MCP gives your AI client instant access to real-time and historical global exchange rates. Stop guessing market values; your agent retrieves current currency data, audits trends back to 1999, and performs precise cross-currency conversions on demand.

## Overview
- **Category:** data-analytics
- **Price:** Free
- **Tags:** currency-conversion, exchange-rates, financial-data, historical-rates, forex-api

## Description

Running international business or handling complex budgets means needing financial data that's always accurate. This MCP connects your AI client directly to Fixer.io, giving it the ability to handle every currency question you throw at it—whether it’s checking today's USD/EUR rate or figuring out what a budget item cost back in 2010. Your agent acts like an instant financial consultant, letting you skip the manual lookups and messy spreadsheets. You just ask your AI client for a conversion, and the data appears immediately. Because this connection is available through Vinkius, you can keep all your critical external tools—like currency data—in one place, connecting to it from any compatible agent or app you use.

It handles everything: pulling the latest market rates across 170+ currencies, running deep historical audits for trend analysis, and making precise conversions. You never have to worry about stale numbers again.

## Tools

### check_api_status
Checks if the Fixer.io service is currently running and available for use.

### convert_currency_amount
Calculates and returns a new amount after converting from one currency to another.

### get_historical_exchange_rate
Retrieves the exact exchange rate between two currencies for any specified past date (YYYY-MM-DD).

### get_latest_exchange_rates
Pulls real-time market data and the current rates based on a chosen base currency.

### list_supported_currencies
Provides a comprehensive list of all currency symbols supported by the Fixer.io system.

## Prompt Examples

**Prompt:** 
```
Get the latest exchange rates for base currency 'USD' using Fixer.io.
```

**Response:** 
```
I've retrieved the latest rates for USD! Notable conversions include 1 USD to 0.92 EUR and 1 USD to 0.79 GBP. Would you like the full list of supported currencies or a specific historical audit?
```

**Prompt:** 
```
Convert 100 EUR to JPY.
```

**Response:** 
```
I've performed the conversion! 100 EUR is currently identified as 16,500 JPY. I can assist you with more real-time conversion metadata for your budget planning if you'd like.
```

**Prompt:** 
```
What was the exchange rate between EUR and USD on '2010-01-01'?
```

**Response:** 
```
I've retrieved the historical data! On January 1st, 2010, the rate was 1 EUR to 1.43 USD. I can assist you with more longitudinal auditing of these currency markers if needed.
```

## Capabilities

### Monitor service health
Check if the Fixer.io data source is online and providing rates.

### List supported currencies
Retrieve a full list of all currency symbols available in the database.

### Get current market rates
Instantly fetch the latest exchange rates for a specified base currency.

### Calculate conversions
Convert a specific amount from one currency to another in real time.

### Audit historical values
Get the exchange rate between two currencies for an exact past date.

## Use Cases

### Auditing a client's long-term spending habits
A financial analyst needs to compare current Q3 spending (USD) with expenses from the same period last year (EUR). They ask their agent, 'What was 10,000 EUR worth in USD on October 15th, 2022?' The agent uses 'get_historical_exchange_rate' and delivers the exact historical conversion rate immediately.

### Updating international product pricing
An e-commerce manager adds a new market in South America. She prompts her agent, 'Give me the current rates for BRL and COP against USD.' The agent uses 'get_latest_exchange_rates' to provide multiple real-time data points, allowing her to price products accurately before launch.

### Calculating cross-currency budgets
A budget planner needs to allocate funds across three countries. They ask their agent to 'Convert 50,000 units into JPY and CAD.' The agent uses 'convert_currency_amount' multiple times in one flow, giving the planner a single, verified total for budgeting.

### Debugging financial data pipelines
An operations lead needs to confirm if their API connection is active before running complex reports. They simply ask, 'Is Fixer.io operational?' The agent uses 'check_api_status' and confirms the service health status instantly.

## Benefits

- Stop manually checking rate tables. Use 'get_latest_exchange_rates' to instantly pull the current market rates for a base currency, keeping your data fresh in seconds.
- Track value over time using 'get_historical_exchange_rate'. You can audit how a specific currency was valued back to 1999 without touching any spreadsheet.
- Eliminate calculation errors. The 'convert_currency_amount' tool lets you perform precise, real-time conversions of large amounts directly through your agent’s conversation.
- Determine scope quickly by using 'list_supported_currencies'. This tells you exactly which currency symbols are recognized in the Fixer.io catalog before you start coding or planning.
- Keep your workflows running smoothly with 'check_api_status'. Your agent can verify that the data source is operational before running critical financial reports.

## How It Works

The bottom line is that you get conversational access to professional-grade global financial data without needing to write any API calls or manage credentials manually.

1. Subscribe to this MCP and provide your personal Fixer.io API Key.
2. Connect the service via your preferred AI client (like Claude or Cursor).
3. Ask your agent a financial question, like 'How much is 100 GBP in JPY today?' and it returns the rate.

## Frequently Asked Questions

**Can the Fixer.io Currency API MCP handle historical data?**
Yes, absolutely. You can use 'get_historical_exchange_rate' to pull exact rates for any given date in the past, allowing you to audit trends or compare year-over-year spending.

**Does this MCP provide live market data?**
Yes. You use 'get_latest_exchange_rates' to pull real-time rates for any base currency, ensuring your financial planning is based on the current market.

**How do I check if the Fixer.io API key works?**
Use the 'check_api_status' tool. This function quickly verifies that the service connection is operational before you run any major financial queries.

**What are the most common currencies supported by this MCP?**
The system supports over 170 global currencies. If you aren't sure which ones are available, use 'list_supported_currencies' to see the full catalog.

**Can I convert amounts for multiple pairs at once with Fixer.io Currency API MCP?**
While there isn't one single multi-convert tool, you can chain calls through your agent using 'convert_currency_amount' to handle multiple conversions in a single conversational flow.