VoltPlan Wiring Diagrams
Server Details
Generate 12V/24V/48V wiring diagrams and size wires, fuses, batteries, solar, and inverters.
- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- YUZU-Hub/wiring-diagram-mcp
- GitHub Stars
- 0
- Server Listing
- wiring-diagram-mcp
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Tool Definition Quality
Average 4/5 across 9 of 9 tools scored. Lowest: 3.4/5.
Each tool addresses a distinct electrical design task (e.g., battery bank sizing, inverter sizing, wiring diagram generation), with no overlapping purposes. The descriptions clearly differentiate them.
All tools follow a consistent verb_noun pattern: calculate_*, generate_*, list_*. This makes it easy to predict tool function from the name.
With 9 tools, the server covers the essential calculations and diagram generation for off-grid electrical systems without being too numerous or too sparse. Each tool earns its place.
The tool set covers the major steps: power budgeting, battery sizing, solar sizing, inverter sizing, wire sizing, and diagram generation. A minor gap is the lack of a dedicated tool for charge controller sizing, but the overall surface is solid.
Available Tools
9 toolscalculate_battery_bankBattery Bank Sizing CalculatorInspect
Calculate the recommended battery bank size based on daily energy consumption. Accounts for days of autonomy (how many days without charging) and depth of discharge. Returns required capacity, number of batteries, and wiring configuration.
| Name | Required | Description | Default |
|---|---|---|---|
| systemVoltage | Yes | Target system voltage in volts (e.g. 12, 24, 48) | |
| daysOfAutonomy | No | Days the system should run without any charging (default: 2) | |
| singleBatteryAh | Yes | Capacity of a single battery in amp-hours (e.g. 100, 200) | |
| dailyConsumptionWh | Yes | Daily energy consumption in watt-hours (from calculate_power_budget) | |
| singleBatteryVoltage | Yes | Voltage of a single battery (e.g. 12.8 for LiFePO4, 12 for lead-acid) | |
| depthOfDischargePercent | No | Usable percentage of battery capacity. LiFePO4: 80-90%, AGM: 50%, Gel: 50% (default: 80) |
calculate_battery_configBattery Configuration CalculatorInspect
Determine how to arrange batteries in series and/or parallel to achieve a target voltage and capacity. Returns the number of batteries needed, the wiring configuration (e.g. 2S3P), and step-by-step wiring instructions.
| Name | Required | Description | Default |
|---|---|---|---|
| targetVoltage | Yes | Desired system voltage (e.g. 12, 24, 48) | |
| singleBatteryAh | Yes | Capacity of one battery in amp-hours | |
| targetCapacityAh | Yes | Desired total capacity in amp-hours | |
| singleBatteryVoltage | Yes | Nominal voltage of one battery (e.g. 12.8 for LiFePO4, 12 for lead-acid, 3.2 for LiFePO4 cells) |
calculate_charging_timeCharging Time CalculatorInspect
Estimate how long it takes to charge a battery bank from a given state of charge to a target level. Accounts for the bulk charging phase (constant current, up to ~80% SoC) and the slower absorption phase (tapering current, 80-100% SoC). Works for any charging source: solar, shore power, alternator.
| Name | Required | Description | Default |
|---|---|---|---|
| batteryVoltage | Yes | Battery bank voltage (e.g. 12, 24, 48) | |
| chargePowerWatts | Yes | Charger output power in watts | |
| batteryCapacityAh | Yes | Total battery bank capacity in amp-hours | |
| chargeCurrentAmps | No | Maximum charge current in amps (if limited by the charger or battery BMS). If omitted, calculated from power and voltage. | |
| targetStateOfChargePercent | No | Target state of charge in percent (default: 100) | |
| currentStateOfChargePercent | Yes | Current state of charge in percent (e.g. 20 for 20%) |
calculate_inverter_sizeInverter Sizing CalculatorInspect
Calculate the recommended inverter size for running AC loads from a DC battery system. Accounts for continuous power, startup surge power (motors typically surge 2-3x), and includes a 25% headroom for the continuous rating. Returns the recommended inverter wattage and the DC current draw at system voltage.
| Name | Required | Description | Default |
|---|---|---|---|
| loads | Yes | List of AC loads that will run through the inverter | |
| systemVoltage | Yes | DC system voltage (e.g. 12, 24, 48) |
calculate_power_budgetPower Budget / Energy AuditInspect
Calculate total daily energy consumption from a list of electrical loads. Each load specifies its power draw, how many hours per day it runs, and quantity. Returns total daily energy (Wh and Ah), peak power draw, and average power. This is typically the first step in sizing a battery bank and solar system.
| Name | Required | Description | Default |
|---|---|---|---|
| loads | Yes | List of electrical loads to include in the budget | |
| systemVoltage | Yes | System voltage in volts (e.g. 12, 24, 48) |
calculate_solar_sizeSolar Panel Sizing CalculatorInspect
Calculate the required solar panel wattage to cover daily energy consumption. Accounts for peak sun hours at the location and system efficiency losses (MPPT conversion, wiring, temperature derating). Returns required wattage and common panel configurations.
| Name | Required | Description | Default |
|---|---|---|---|
| peakSunHours | Yes | Average daily peak sun hours for the location. Examples: Northern Europe winter 1-2h, summer 4-6h. Southern US 5-6h. Equatorial regions 5-7h. | |
| systemEfficiency | No | Overall system efficiency factor (default: 0.85). Accounts for MPPT losses, wiring losses, temperature derating, and panel soiling. | |
| dailyConsumptionWh | Yes | Daily energy consumption in watt-hours (from calculate_power_budget) |
calculate_wire_gaugeCable Cross-Section & Resistance CalculatorInspect
Calculate the recommended wire gauge / cable cross-section for a DC circuit. Considers both ampacity (current carrying capacity) and voltage drop to recommend the optimal cable size. Also returns total resistance, power loss, and a fuse recommendation. Supports copper conductors from 0.75 mm² (18 AWG) to 240 mm² (300 MCM).
| Name | Required | Description | Default |
|---|---|---|---|
| power | No | Load power in watts. Will be converted to current using the voltage. Provide either current or power. | |
| current | No | Load current in amps. Provide either current or power. | |
| voltage | Yes | System voltage in volts (e.g. 12, 24, 48) | |
| isRoundTrip | No | Account for both positive and negative conductor (default: true). Set to false for chassis-ground returns. | |
| cableLengthM | Yes | One-way cable length in meters | |
| temperatureCelsius | No | Ambient temperature in °C (default: 20°C). Affects copper resistance. | |
| maxVoltageDropPercent | No | Maximum acceptable voltage drop in percent (default: 3%) |
generate_wiring_diagramGenerate Wiring DiagramInspect
Generate an electrical wiring diagram for campers, boats, or off-grid setups. Returns a complete schematic with batteries, chargers, protection components, and loads. Protection components (shunt, main switch, low-voltage cutoff) are auto-generated when both batteries and loads are provided.
| Name | Required | Description | Default |
|---|---|---|---|
| loads | No | Electrical loads / consumers | |
| format | No | Output format: svg (recommended, renders inline) or png (base64-encoded image, may not display in all clients) | svg |
| chargers | No | Chargers with their power sources | |
| batteries | No | Batteries in the system | |
| systemName | Yes | Name of the electrical system (e.g. "My Camper Van") |
list_component_typesList Component TypesInspect
List all available component types and example configurations for building wiring diagrams. Use this to understand what parameters are needed before calling generate_wiring_diagram.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
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