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@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_..." }
}
}
}Tools
| Tool | Description |
|---|---|
get_exchange_rate | Get the current mid-market rate between two currencies |
get_historical_rates | Get historical data for a pair over 1d, 7d, 30d, or 1y |
get_rates | Multi-target rates with date ranges and grouping (day/week/month) |
list_currencies | List all 160+ supported currencies |
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
| Variable | Required | Description |
|---|---|---|
EXCHANGE_RATE_API_KEY | Yes | Your API key from exchange-rateapi.com |
EXCHANGE_RATE_BASE_URL | No | Override API base URL (default: https://exchange-rateapi.com/api) |
Links
License
MIT