com.southlondonscientific/clara
Clara — Personal Clean Air Planner
UK personal air quality advice and daily exposure assessment. Pairs with Hermes for live data.
alive probed 2026-10-05 · HTTP 200
2tools
1.8ktokens in Claude Opus 5.5
1.8ktokens in Claude Code
0.9 %of a 200k context window
1.0ko200k_base estimate
1.3 sto initialize
152 msto list tools
- Endpoint
- https://clara-mcp.southlondonscientific.com/mcp (streamable-http)
- Host
- clara-mcp.southlondonscientific.com
- Protocol
- 2025-11-25
- Reports itself as
- clara 1.27.0
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 3 758 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://www.southlondonscientific.com
- Registry
- active, updated 2026-05-05 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| contextual_advice | 606 | 58 % |
| exposure_assessment | 433 | 42 % |
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 13:42 | alive | 1.3 s | 2 | 1.8k | 1.0k |
| 2026-10-05 00:21 | alive | 1.1 s | 2 | 1.0k | |
| 2026-10-04 09:58 | alive | 2.2 s | 2 | 1.0k | |
| 2026-10-04 07:52 | alive | 2.0 s | 2 | 1.0k | |
| 2026-10-03 20:32 | alive | 1.9 s | 2 | 1.0k | |
| 2026-10-03 17:49 | alive | 509 ms | 2 | 1.0k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.southlondonscientific/clara)
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.