dev.workers.bhazarstudio.datoqa/historical-exchange-rates
DatoQA — Historical Exchange Rates
Historical reference FX and dated conversions across 30 currencies, with source dates and evidence.
alive probed 2026-10-07 · HTTP 200
7tools
3.1ktokens in Claude Opus 5.5
3.1ktokens in Claude Code
1.5 %of a 200k context window
1.7ko200k_base estimate
71 msto initialize
73 msto list tools
- Endpoint
- https://datoqa.bhazarstudio.workers.dev/mcp/fx (streamable-http)
- Host
- datoqa.bhazarstudio.workers.dev
- Protocol
- 2025-11-25
- Reports itself as
- datoqa 0.6.14
- Capabilities
- prompts, resources, tools
- Instructions
- 977 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-07. Counted again when the tool definitions change. Method.
- Website
- https://datoqa.bhazarstudio.workers.dev/docs/fx/
- Registry
- active, updated 2026-10-04 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| convert_currency_batch | 558 | 32 % |
| catalog | 516 | 30 % |
| get_exchange_rate_history | 266 | 15 % |
| get_record | 116 | 7 % |
| get_evidence | 111 | 6 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-07 11:06 | alive | 251 ms | 7 | 3.1k | 1.7k |
| 2026-10-05 14:01 | alive | 71 ms | 7 | 2.9k | 1.7k |
| 2026-10-05 00:25 | alive | 51 ms | 7 | 1.7k | |
| 2026-10-04 10:00 | alive | 55 ms | 7 | 1.7k | |
| 2026-10-04 07:54 | alive | 42 ms | 7 | 1.7k | |
| 2026-10-03 20:33 | alive | 70 ms | 7 | 1.7k | |
| 2026-10-03 17:50 | alive | 97 ms | 7 | 1.7k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.workers.bhazarstudio.datoqa/historical-exchange-rates)
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.