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Realtime Exchange Rate MCP Server

@cahthuranag

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

cahthuranag

Submitted by

Chathuranga Basnayaka

About Realtime Exchange Rate MCP Server

Live currency exchange rates, historical FX data, and multi-currency lookups for Claude Code, Cursor, Claude Desktop, and Windsurf. Real-time mid-market rates across 160+ currencies — sourced from Reuters/Refinitiv interbank feeds.

#exchange-rate#currency#forex#fx#finance#mcp#claude#cursor#claude-code#windsurf

Realtime Exchange Rate MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "allratestoday": {
      "command": "npx",
      "args": [
        "-y",
        "@allratestoday/mcp-server"
      ],
      "env": {
        "ALLRATES_API_KEY": "<YOUR_API_KEY>"
      }
    }
  }
}

Realtime Exchange Rate MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Realtime Exchange Rate MCP?

Realtime Exchange Rate MCP is a Model Context Protocol server that fetches real-time currency rates, historical data, and multi-currency lookups. It integrates with the AllRatesToday API and works with MCP-compatible clients like Claude Code, Cursor, Claude Desktop, and Windsurf.

How to use Realtime Exchange Rate MCP?

Install via npx -y @allratestoday/mcp-server and configure the ALLRATES_API_KEY environment variable with a free key from allratestoday.com/register. Then users add the server to their client's MCP config (for Cursor, Claude Desktop, Windsurf) or use claude mcp add allratestoday (for Claude Code). The server exposes four tools: get_exchange_rate, get_historical_rates, get_rates_authenticated, and list_currencies.

Key features of Realtime Exchange Rate MCP

  • Real-time mid-market exchange rates refreshed every ~60 seconds
  • Historical rate data over 1d, 7d, 30d, or 1y periods
  • Multi-currency batch lookup with a single tool
  • Full list of 160+ supported ISO 4217 currency codes
  • Free API key available without a credit card
  • Data sourced from Reuters / Refinitiv

Use cases of Realtime Exchange Rate MCP

  • Fetch the current USD to EUR rate during code review
  • Analyze GBP/JPY movement over the last 30 days
  • Convert 250 USD into CAD at the current real rate
  • Compare USD against EUR, GBP, and JPY simultaneously
  • List all supported currencies for validation or reporting

Frequently asked questions

1

What data source does Realtime Exchange Rate MCP use?

The server uses the AllRatesToday API, which sources data from Reuters / Refinitiv for mid-market rates.

2

Is an API key required?

Yes, the `ALLRATES_API_KEY` environment variable is required. A free key is available for development and personal use — no credit card needed.

3

How often are rates updated?

Mid-market rates refresh approximately every 60 seconds.

4

Which currencies are supported?

Over 160 ISO 4217 currency codes are supported.

5

What tools does Realtime Exchange Rate MCP expose?

Four tools: `get_exchange_rate` (single pair), `get_historical_rates` (time-series), `get_rates_authenticated` (multi-currency batch), and `list_currencies` (all codes).

Comments

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