engineer.calc/calc
calc.engineer
engineer.calc/calc costs 28 482 tokens of context per session. It has 89 tool definitions. That is 14.2 % of a 200k window. Measured 2026-10-03.
88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.
alive probed 2026-10-03 · HTTP 200
89tools
28ktokens for the tool definitions
14.2 %of a 200k context window
2.5 sto initialize
195 msto list tools
- Endpoint
- https://calc.engineer/mcp (streamable-http)
- Host
- calc.engineer
- Protocol
- 2025-11-25
- Reports itself as
- calc-engineer 1.0.0
- Capabilities
- resources, tools
- Instructions
- 478 characters
- Website
- https://calc.engineer
- Registry
- active, updated 2026-07-18 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| inverter_sizing | 603 | 2 % |
| pcb_layout | 579 | 2 % |
| thermal_enclosure | 568 | 2 % |
| spice_simulate | 565 | 2 % |
| meshtastic_power | 565 | 2 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:33 | alive | 2.5 s | 89 | 28k |
| 2026-10-03 17:50 | alive | 1.9 s | 89 | 28k |
Badge
[](https://mcp-pulse.ulehla.dev/s/engineer.calc/calc)