MCP Servers

Exchange Rate MCP Server

Enables currency conversion between 161+ currencies using real-time exchange rates from ExchangeRate-API. Provides a simple tool to convert amounts between different currencies with error handling for invalid inputs and API issues.

README

Exchange Rate MCP Server

A Model Context Protocol (MCP) server that provides currency conversion functionality using the ExchangeRate-API.

Features

Convert amounts between different currencies using real-time exchange rates
Support for about 161 currencies currently
Error handling for invalid currency codes, API errors, and network issues

Setup

Prerequisites

Python 3.12+
uv package manager
ExchangeRate-API key (free tier available)

Installation

Clone this repository
Install dependencies:
```
uv sync
```
Copy the .env.example file into your .env:
```
cp .env.example .env
```
Replace your_api_key in the .env with your actual API key.

You can get your free API key from ExchangeRate-API

Configuration

Copy and paste this in the claude_desktop_config.json file:

{
  "mcpServers": {
    "exchange-rate-mcp": {
      "command": "uv",
      "args": [
        "--directory",
        "/path/to/exchange-rate-mcp",
        "run",
        "main.py"
      ]
    }
  }
}

Usage

Once configured, you can use the convert_currency tool in Claude to convert between currencies:

convert_currency(100, "USD", "EUR") - Convert 100 USD to EUR
convert_currency(50, "GBP", "JPY") - Convert 50 GBP to JPY

Troubleshooting

"uv: command not found": Make sure uv is installed and the full path is specified in the configuration
"Invalid API key": Check that your .env file contains a valid ExchangeRate-API key

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