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@fingerskier/pi-skidl

v2026.5.12

Published

SKiDL circuit-design MCP plugin for Pi with a self-bootstrapping Python server

Readme

skidl-claude-plugin

MCP server for designing electronic schematics and PCB layouts using SKiDL — a Python library for programmatic circuit design.

Features

  • Circuit Management — Create, switch between, and manage multiple circuit designs
  • Component Library — Search and add parts from your local KiCad libraries
  • Wiring — Create nets, buses, and connect component pins
  • Schematic Generation — Export SVG schematics and KiCad .kicad_sch files
  • Netlist Export — Generate KiCad-compatible netlists for PCB layout in PCBNEW
  • Validation — Run electrical rules checks (ERC), verify connections and footprints
  • BOM Generation — Bill of materials in JSON or CSV format
  • Code Export — Export circuits as standalone SKiDL Python scripts
  • 16 Design Templates — Prompt templates for common circuits (voltage dividers, amplifiers, filters, MCU designs, motor drivers, USB interfaces, and more)

Prerequisites

  • Python 3.10+
  • KiCad installed (for component libraries)

Installation

pip install -e .

Usage

As an MCP server (stdio)

skidl-mcp

With Claude Code

Add to your Claude Code MCP configuration (~/.claude/claude_desktop_config.json):

{
  "mcpServers": {
    "skidl": {
      "command": "skidl-mcp"
    }
  }
}

Then ask Claude to design circuits:

"Design a voltage divider that converts 12V to 3.3V" "Create an ATmega328P circuit with UART and I2C headers" "Build an LED driver for 4 blue LEDs on a 5V supply"

MCP Tools

Circuit Management

| Tool | Description | |------|-------------| | create_circuit | Create a new circuit and set it as active | | list_circuits | List all circuits in the session | | switch_circuit | Switch the active circuit | | delete_circuit | Delete a circuit | | get_circuit_info | Get full details of a circuit |

Parts

| Tool | Description | |------|-------------| | add_part | Add a component from a KiCad library | | search_parts | Search KiCad libraries for components | | list_parts | List all parts in a circuit | | remove_part | Remove a part by reference designator | | get_part_info | Get pin details and connections for a part |

Nets & Wiring

| Tool | Description | |------|-------------| | create_net | Create a named net | | connect | Connect a pin to a net | | connect_pins | Connect two pins directly | | list_nets | List all nets and connections | | create_bus | Create a multi-wire bus | | add_power_nets | Add standard power nets (VCC, GND, etc.) |

Generation & Export

| Tool | Description | |------|-------------| | generate_netlist | KiCad-compatible netlist for PCBNEW | | generate_svg | SVG schematic diagram | | generate_bom | Bill of materials (JSON or CSV) | | generate_kicad_schematic | KiCad .kicad_sch file | | export_python | Standalone SKiDL Python code |

Validation

| Tool | Description | |------|-------------| | run_erc | Electrical rules check | | check_connections | Find unconnected pins | | validate_footprints | Verify all parts have footprints |

Design Templates

Use these prompts to guide circuit design:

| Category | Templates | |----------|-----------| | Analog | design_voltage_divider, design_amplifier, design_filter, design_oscillator | | Power | design_power_supply, design_led_circuit, design_battery_charger | | Digital | design_microcontroller, design_logic_level_shifter, design_i2c_bus, design_spi_bus | | Interface | design_sensor_interface, design_motor_driver, design_uart_interface, design_usb_interface | | RF | design_antenna_matching |

Development

pip install -e ".[dev]"
pytest

License

MIT