dev.cz-agents/cnb
cz-agents/cnb
Official ČNB exchange rates — daily & historical CZK vs EUR, USD, 30+ currencies. For accounting.
alive probed 2026-10-05 · HTTP 200
3tools
847tokens in Claude Opus 5.5
871tokens in Claude Code
0.4 %of a 200k context window
480o200k_base estimate
1.3 sto initialize
378 msto list tools
- Endpoint
- https://cnb.cz-agents.dev/mcp (streamable-http)
- Host
- cnb.cz-agents.dev
- Protocol
- 2025-11-25
- Reports itself as
- cz-agents/cnb 0.1.0
- Capabilities
- tools
- Instructions
- 562 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/martinhavel/cz-agents-mcp
- Website
- https://cz-agents.dev
- Registry
- active, updated 2026-06-02 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| convert | 214 | 45 % |
| get_rate | 143 | 30 % |
| get_rates | 123 | 26 % |
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 13:57 | alive | 1.3 s | 3 | 847 | 480 |
| 2026-10-05 00:24 | alive | 561 ms | 3 | 480 | |
| 2026-10-04 10:00 | alive | 1.2 s | 3 | 480 | |
| 2026-10-04 07:53 | alive | 913 ms | 3 | 480 | |
| 2026-10-03 20:33 | alive | 1.2 s | 3 | 480 | |
| 2026-10-03 17:50 | alive | 458 ms | 3 | 480 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.cz-agents/cnb)
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.