frankfurter.dev

Frankfurter is an exchange-rates and currency-data service that provides current and historical foreign exchange rates from central banks and other official sources. It is open source and also offers self-hosting.

3 integrations · MCP · REST

Frankfurter exposes two public HTTP currency-data APIs (v2 with OpenAPI, plus legacy v1) and a public remote MCP server; none require authentication.

discovered 2mo ago

MCP servers1

Frankfurter MCP serverdiscoveredstreamable-http

REST · OpenAPI2

Frankfurter API v2discoveredrest
Frankfurter API v1discoveredrest

conventions · 1/7 published

integrations.json——
llms.txt✓https://frankfurter.dev/llms.txt
API catalog✗/.well-known/api-catalog
OpenAPI document✗/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json
MCP server card✗/.well-known/mcp/server-card.json
OAuth protected resource✗/.well-known/oauth-protected-resource
Agent card✗/.well-known/agent-card.json
Agent skills✗/.well-known/agent-skills/index.json

Publish these signals → /publishing