calc.engineer for Gemini CLI
engineer.calc/calc
88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.
client:Gemini CLI
transport:streamable-http
tools:89
Install calc.engineer in Gemini CLI
~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json
{
"mcpServers": {
"calc": {
"httpUrl": "https://calc.engineer/mcp"
}
}
}Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs
What Gemini CLI can do once it is connected
- fspl
- link_budget
- dipole
- microstrip
- dbm_convert
- noise_figure_cascade
- vswr
- attenuator_pi
- attenuator_tee
- fresnel_zone
- wavelength_freq
- spice_template
- spice_simulate
- lora_airtime
- snr_margin
- channel_utilization
- lora_range_estimate
- lora_sensitivity
- duty_cycle_budget
- meshtastic_range
- eirp_compliance
- meshtastic_power
- lora_param_optimizer
- zfs_capacity