MCP server

VoltPlan Wiring Diagrams

io.github.YUZU-Hub/wiring-diagram-mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Generate 12V/24V/48V wiring diagrams and size wires, fuses, batteries, solar, and inverters.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

9

Token cost

About 3,286 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http wiring-diagram-mcp https://mcp.voltplan.app/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.wiring-diagram-mcp]
url = "https://mcp.voltplan.app/mcp"

Gemini CLI

{"mcpServers":{"wiring-diagram-mcp":{"httpUrl":"https://mcp.voltplan.app/mcp"}}}

Cursor

{"mcpServers":{"wiring-diagram-mcp":{"url":"https://mcp.voltplan.app/mcp"}}}

VS Code

{"servers":{"wiring-diagram-mcp":{"type":"http","url":"https://mcp.voltplan.app/mcp"}}}

Antigravity

agy mcp add wiring-diagram-mcp https://mcp.voltplan.app/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"wiring-diagram-mcp","server_url":"https://mcp.voltplan.app/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"wiring-diagram-mcp","server_url":"https://mcp.voltplan.app/mcp"}

Tools

• calculate_battery_bank ~359 tokens
  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.
• calculate_battery_config ~260 tokens
  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.
• calculate_charging_time ~362 tokens
  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.
• calculate_inverter_size ~355 tokens
  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 v
• calculate_power_budget ~334 tokens
  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
• calculate_solar_size ~286 tokens
  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.
• calculate_wire_gauge ~396 tokens
  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 AW
• generate_wiring_diagram ~854 tokens
  Generate an electrical wiring diagram for campers, boats, or off-grid setups. Returns the schematic as an image (batteries, chargers, protection components, loads) and a link that opens it in the VoltPlan editor to refine, save and turn into a shopping list. Protection components (shunt, main switch
• list_component_types ~80 tokens
  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.

Browse

• GitHub tools
• Fuse tools
• Website monitoring
• GitHub and code hosting

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