io.github.lineofflight/frankfurter
Frankfurter
Convert currencies and fetch blended FX rates from 50+ institutional sources.
alive probed 2026-10-05 · HTTP 200
4tools
1.4ktokens in Claude Opus 5.5
1.4ktokens in Claude Code
0.7 %of a 200k context window
808o200k_base estimate
572 msto initialize
740 msto list tools
- Endpoint
- https://mcp.frankfurter.dev/ (streamable-http)
- Host
- mcp.frankfurter.dev
- Protocol
- 2025-11-25
- Reports itself as
- frankfurter 0.5.1
- Capabilities
- tools
- Instructions
- 849 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/lineofflight/frankfurter-mcp
- Website
- https://frankfurter.dev
- Registry
- active, updated 2026-09-17 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| convert | 351 | 43 % |
| get_rates | 304 | 38 % |
| list_providers | 90 | 11 % |
| list_currencies | 63 | 8 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:56 | alive | 572 ms | 4 | 1.4k | 808 |
| 2026-10-05 00:37 | alive | 428 ms | 4 | 808 | |
| 2026-10-04 10:05 | alive | 903 ms | 4 | 808 | |
| 2026-10-04 07:59 | alive | 567 ms | 4 | 808 | |
| 2026-10-03 20:38 | alive | 720 ms | 4 | 808 | |
| 2026-10-03 17:54 | alive | 234 ms | 4 | 808 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.lineofflight/frankfurter)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.