engineer.calc/calc
calc.engineer
88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.
timeout probed 2026-10-15
fetch failed | Connect Timeout Error (attempted address: calc.engineer:443, timeout: 10000ms) | UND_ERR_CONNECT_TIMEOUT
- Endpoint
- https://calc.engineer/mcp (streamable-http)
- Host
- calc.engineer
- Website
- https://calc.engineer
- Registry
- active, updated 2026-07-18 · registry entry
- Reachable
- 6 of the last 6 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 |
|---|---|---|---|---|---|
| 2026-10-05 14:03 | alive | 2.2 s | 89 | 50k | 28k |
| 2026-10-05 00:25 | alive | 1.4 s | 89 | 28k | |
| 2026-10-04 10:00 | alive | 2.0 s | 89 | 28k | |
| 2026-10-04 07:54 | alive | 3.1 s | 89 | 28k | |
| 2026-10-03 20:33 | alive | 2.5 s | 89 | 28k | |
| 2026-10-03 17:50 | alive | 1.9 s | 89 | 28k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/engineer.calc/calc)
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.