How do I install Microcap?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Microcap need an API key?

The publisher lists these environment variables: MICROCAP_HOME.

What transport does Microcap use?

Microcap runs locally over stdio.

When was Microcap last checked?

Last checked 2026-11-09. Simulate, generate and draw analog circuits in Micro-Cap 12: SPICE analyses, sweeps and schematics

Microcap MCP server

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Add to Cursor Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Local command

uvx microcap-mcp==0.1.1

Credentials from the publisher

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

Claude Code has no install link for a local command. Copy the command below and run it in a terminal.

shClaude Code

1MICROCAP_HOME=<value> claude mcp add io.github.monoxide-xen-microcap-mcp -- uvx microcap-mcp==0.1.1

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "io.github.monoxide-xen-microcap-mcp": {4      "command": "uvx",5      "args": [6        "microcap-mcp==0.1.1"7      ],8      "env": {9        "MICROCAP_HOME": "<value>"10      }11    }12  }13}

claude_desktop_config.json

Local · pypiPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Local

Transport: stdio
Version: 0.1.1
API key

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Microcap

Add this server

Host a copy with our keys and logs.

Server facts

Tools

Questions

How do I install Microcap?

Does Microcap need an API key?

What transport does Microcap use?

When was Microcap last checked?

Documentation