@exchangerateapi/mcp-server

MCP server that gives AI coding tools (Claude Code, Cursor, Claude Desktop, Windsurf) access to real-time and historical currency exchange rates from Exchange Rate API.

160+ currencies. Mid-market rates updated every 60 seconds. Sourced from Reuters/Refinitiv.

Quick Setup

1. Get a Free API Key

Sign up at exchange-rateapi.com/register — free tier, no credit card.

2. Add to Your MCP Client

Claude Code (~/.claude/settings.json):

{
  "mcpServers": {
    "exchange-rateapi": {
      "command": "npx",
      "args": ["-y", "@exchangerateapi/mcp-server"],
      "env": { "EXCHANGE_RATE_API_KEY": "era_live_..." }
    }
  }
}

Cursor (.cursor/mcp.json):

{
  "mcpServers": {
    "exchange-rateapi": {
      "command": "npx",
      "args": ["-y", "@exchangerateapi/mcp-server"],
      "env": { "EXCHANGE_RATE_API_KEY": "era_live_..." }
    }
  }
}

Claude Desktop (claude_desktop_config.json):

{
  "mcpServers": {
    "exchange-rateapi": {
      "command": "npx",
      "args": ["-y", "@exchangerateapi/mcp-server"],
      "env": { "EXCHANGE_RATE_API_KEY": "era_live_..." }
    }
  }
}

Windsurf (~/.windsurf/mcp.json):

{
  "mcpServers": {
    "exchange-rateapi": {
      "command": "npx",
      "args": ["-y", "@exchangerateapi/mcp-server"],
      "env": { "EXCHANGE_RATE_API_KEY": "era_live_..." }
    }
  }
}

Related MCP server: UniRate MCP

Tools

Example Prompts

Once configured, ask your AI assistant:

• "What's the current USD to EUR exchange rate?"

• "Show me GBP/JPY rates for the last 30 days"

• "Convert 5000 USD to EUR, GBP, and JPY"

• "List all supported currencies"

• "What's the monthly average EUR/USD rate for 2026?"

Environment Variables

Links

• API Documentation

• Get Free API Key

• Dashboard

• GitHub

License

MIT