picocalc-mcp 0.1.2

MCP server for PicoCalc MicroPython hardware development

picocalc-mcp

MCP server for PicoCalc MicroPython hardware development.

Gives AI coding assistants (Claude Code, Claude Desktop, Cursor) direct access to a PicoCalc device over USB via the Model Context Protocol.

Install

pip install picocalc-mcp

Requires mpremote (installed automatically as a dependency).

Setup

Claude Code

Add to .mcp.json:

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

Claude Desktop

Open Settings > Developer > Edit Config:

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

Any MCP Client

picocalc-mcp

Or: python -m picocalc_mcp

Tools

Tool	Description
picocalc_status	Check connection, firmware version, free RAM, SD card space
picocalc_exec	Run MicroPython code on the device (30s timeout)
picocalc_list_files	List files at a device path
picocalc_read_file	Read a file from the device
picocalc_push	Push a local file to the device
picocalc_reset	Soft reset (re-runs boot.py and main.py)

Requirements

• PicoCalc connected via USB
• Python 3.7+

Links

• PicoCalc Project
• Full MCP Setup Guide
• Claude Code Skills for PicoCalc

License

MIT