🔌
0★ stars
0weekly installs
7 days agolast release
Provenancewhere it came from, and what was verified
✦
First-party publisher
Published by the owner of calc.engineer, who proved control of the domain through the official MCP registry.
Verified owner: calc.engineer ↗engineer.calc/calc
🛡 Permissions & trustwhat this server can touch before you run it
◆
Network access
Connects to a hosted remote endpoint.
About
88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.
Packages & transports
remotehttps://calc.engineer/mcpHTTP
Metadata
B
Quality 78/100
how much you can lean on this server
Maintenance
45/45
Completeness
22/35
Reliability
11/20
Computed from the server's own data, not a hidden formula. This measures how much you can depend on it, not how popular it is. Stars are shown separately, on purpose. How it's scored →
A
Tool definition quality 97/100
how well its 89 tools describe themselves to an agent
▸fspl100A
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▸link_budget100A
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▸dipole100A
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▸noise_figure_cascade100A
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▸vswr93A
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▸wavelength_freq93A
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▸spice_template100A
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▸spice_simulate100A
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▸lora_airtime100A
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▸lora_range_estimate93A
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▸lora_sensitivity93A
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▸duty_cycle_budget100A
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▸meshtastic_range93A
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▸eirp_compliance100A
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▸meshtastic_power93A
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▸lora_param_optimizer100A
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▸zfs_capacity100A
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▸zfs_ram100A
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▸tcp_throughput100A
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▸wireguard_mtu93A
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▸subnet_calculator100A
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▸raid_iops100A
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▸power_cost100A
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▸cooling_btu100A
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▸rack_capacity100A
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▸network_bandwidth100A
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▸thermal_enclosure100A
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▸heatsink_cfd100A
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▸pcb_thermal100A
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▸battery_life100A
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▸wire_gauge100A
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▸solar_sizing100A
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▸ups_runtime100A
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▸mah_to_wh100A
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▸watts_to_amps100A
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▸voltage_drop100A
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▸battery_charge_time100A
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▸solar_load_audit100A
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▸solar_roi100A
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▸battery_autonomy100A
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▸string_sizing100A
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▸generator_offset100A
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▸wire_ampacity100A
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▸inverter_sizing100A
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▸pcb_layout100A
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▸voltage_divider100A
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▸rc_filter100A
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▸lc_resonance100A
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▸impedance_match100A
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▸trace_width100A
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▸ohms_law93A
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▸resistor_color_code100A
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▸led_resistor100A
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▸timer_555100A
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▸op_amp_gain100A
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▸capacitor_charge100A
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▸pcb_via_current93A
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▸power_supply_decoupling100A
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▸log_calc100A
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▸sig_figs100A
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▸scientific_notation100A
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▸percentage_calc100A
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▸circumference93A
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▸slope_calc100A
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▸pythagorean_theorem93A
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▸p_value100A
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▸confidence_interval100A
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▸sales_tax100A
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▸salary_to_hourly100A
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▸loan_amortization100A
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▸compound_interest100A
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▸square_footage100A
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▸bmi_calculator100A
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▸date_difference100A
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Structural, not an LLM's opinion: each check is a fact about the tool's schema, so it's reproducible. One weak tool drags the score (60% average, 40% worst). How it's scored →
For the maintainer
Raise this grade
up to +22 on qualityOwn this server? Here's exactly what to change, biggest wins first. Every number below is a fixed point value, so you can see what each edit is worth before you make it.
+9
Collect working reviewsReliability
With no reviews this sits at a neutral 11. Reviews reporting it works push it toward the full 20.
+7
Declare a licenseCompleteness
Add an SPDX license (like MIT or Apache-2.0) to the repo so it's detected.
+6
Link the sourceCompleteness
Add a public source repository URL.
Tool definitions to fix first
vswr93/100
- No `required` array. Declare which params are mandatory so an agent knows what it must provide.
wavelength_freq93/100
- No `required` array. Declare which params are mandatory so an agent knows what it must provide.
lora_range_estimate93/100
- No `required` array. Declare which params are mandatory so an agent knows what it must provide.
lora_sensitivity93/100
- No `required` array. Declare which params are mandatory so an agent knows what it must provide.
Already earned (3) ▾Already earned (3) ▴
✓Describe what it does+11
✓Give an install path+11
✓Keep it active+45
These are structural checks, so the fixes are exact. See the full formula →
Add a badge to your README
[](https://socketcat.com/servers/engineer.calc/calc)Shows your live quality grade and links back here. It updates itself as the grade changes.
Reviews
Sign in to leave a reviewNo reviews yet. Be the first to say whether it worked.
Add to your client
Pick your client, copy, paste into its config. That's the whole setup.
~/.claude/claude_desktop_config.json
{
"mcpServers": {
"calc": {
"command": "npx",
"args": [
"-y",
"calc"
]
}
}
}▶ Try itlive against calc.engineer
This server has a hosted endpoint, so we can connect and list its actual tools right here. Nothing runs on your machine.