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Microcap Mcp

io.github.monoxide-xen/microcap-mcp · v0.1.1

Simulate, generate and draw analog circuits in Micro-Cap 12: SPICE analyses, sweeps and schematics

Connect Runs on your machine

Terminal
claude mcp add microcap-mcp -e MICROCAP_HOME=<MICROCAP_HOME> -- uvx microcap-mcp==0.1.1
claude_desktop_config.json
{
  "mcpServers": {
    "microcap-mcp": {
      "command": "uvx",
      "args": [
        "microcap-mcp==0.1.1"
      ],
      "env": {
        "MICROCAP_HOME": "<MICROCAP_HOME>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "microcap-mcp": {
      "command": "uvx",
      "args": [
        "microcap-mcp==0.1.1"
      ],
      "env": {
        "MICROCAP_HOME": "<MICROCAP_HOME>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "microcap-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "microcap-mcp==0.1.1"
      ],
      "env": {
        "MICROCAP_HOME": "<MICROCAP_HOME>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
MICROCAP_HOME
Optional
Folder holding mc12_64.exe, if Micro-Cap 12 is installed somewhere the automatic scan does not find

Details

Package[email protected] (PYPI, stdio)
First published26 Jul 2026
Last updated26 Jul 2026
Registry nameio.github.monoxide-xen/microcap-mcp

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