frankfurter-mcp

frankfurter-mcp

ECB reference exchange rates (Frankfurter).

A merged MCP server that consolidates duplicate single-purpose servers in this monorepo into one focused server.

Tools

• latest — Latest ECB reference rates.
• convert — Convert an amount.
• history — Rate history for a period.

Run

npm install
npm run build
node dist/index.js

Source

Public free APIs only. See src/api.ts for exact endpoints.

Premium tools

These tools need a license key:

• supported_currencies

Buy a key at https://mcp-marketplace.io/server/io-github-mrfentmen-frankfurter-mcp and set it in your MCP client config:

"env": { "MCP_LICENSE_KEY": "mcp_live_..." }

The key is checked against MCP Marketplace, cached for 24 hours, and keeps working offline once one check has succeeded. Every other tool on this server stays free.