io.github.physics-star-cat/databutler-uk-rates
databutler-uk-rates
Current UK tax-year rates and thresholds, verified against gov.uk with source URLs and dates.
alive probed 2026-10-05 · HTTP 200
1tools
422tokens in Claude Opus 5.5
436tokens in Claude Code
0.2 %of a 200k context window
243o200k_base estimate
113 msto initialize
59 msto list tools
- Endpoint
- https://databutler.dev/api/mcp/uk-rates (streamable-http)
- Host
- databutler.dev
- Protocol
- 2025-11-25
- Reports itself as
- databutler-uk-rates 1.1.0
- Capabilities
- tools
- Instructions
- 268 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/physics-star-cat/databutler
- Website
- https://databutler.dev/api
- Registry
- active, updated 2026-08-31 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| uk_rates_lookup | 243 | 100 % |
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 15:25 | alive | 113 ms | 1 | 422 | 243 |
| 2026-10-05 00:43 | alive | 74 ms | 1 | 243 | |
| 2026-10-04 10:06 | alive | 137 ms | 1 | 168 | |
| 2026-10-04 08:00 | alive | 128 ms | 1 | 168 | |
| 2026-10-03 20:39 | alive | 214 ms | 1 | 168 | |
| 2026-10-03 17:54 | alive | 269 ms | 1 | 168 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.physics-star-cat/databutler-uk-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.