ai.zerowidth/caliper
ZeroWidth Caliper
Build datasets and rubrics, then run evals that score your AI in Caliper.
timeout probed 2026-10-15
fetch failed | Connect Timeout Error (attempted address: api.zerowidth.ai:443, timeout: 10000ms) | UND_ERR_CONNECT_TIMEOUT
- Endpoint
- https://api.zerowidth.ai/mcp/x/caliper (streamable-http)
- Host
- api.zerowidth.ai
- Website
- https://zerowidth.ai/docs/overview/mcp#connect-to-one-product
- Registry
- active, updated 2026-10-07 · registry entry
- Reachable
- 3 of the last 3 probes
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-14 09:07 | alive | 1.5 s | 45 | 24k | 14k |
| 2026-10-13 11:02 | alive | 366 ms | 45 | 23k | 13k |
| 2026-10-08 10:58 | alive | 867 ms | 45 | 23k | 13k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/ai.zerowidth/caliper)
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.