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Microcap MCP logo
Health: ActiveRecent health check succeeded.Last checked 9/7/2026, 10:50:05 PM

Microcap MCP

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
View Repository1 GitHub StarsTotal stargazers on GitHub for the source repository (1 stars).Visit Website

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

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to CursorAdd to VS Code
Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "microcap-mcp": {
      "command": "uvx",
      "args": [
        "microcap-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing Alternatives💻 More in Developer Tools

Documentation Overview

microcap-mcp

ИИ-агент строит, считает и рисует аналоговые схемы в Micro-Cap 12.

tests License: MIT Python 3.11+ Windows MCP

Русский · English

Сгенерированный каскад с общим эмиттером, отрисованный 1:1 с Micro-Cap, с наложенной рабочей точкой АЧХ, посчитанная Micro-Cap

Схему нарисовал сам сервер (1:1 с Micro-Cap, с рабочей точкой) · график посчитал Micro-Cap


Работает через штатный batch-режим Micro-Cap (MC12 @batch.bat) — headless, без GUI-автоматизации и без модификации программы.

Что делает

🔧 Строит схемы с нуля — 8 генераторов каскадов (общий эмиттер, повторитель, MOSFET, дифпара, токовое зеркало, каскод, ОУ, RLC) с авто-смещением. Каждый сверен с теорией: усиление, рабочая точка, резонанс.

📊 Считает — transient / AC / DC / искажения / устойчивость, рабочая точка, свипы. Комплексный вывод как {re, im}, диагностика солвера.

🎨 Рисует — сам рендерит .CIR в SVG 1:1 с Micro-Cap: родные символы из библиотеки MC, сетка, все повороты и отражения, раскладка подписей. Накладывает напряжения рабочей точки. /IC в batch-режиме MC этого не умеет — а сервер умеет.

Дифференциальная пара Каскод Усилитель на ОУ

Установка

Нужен Windows, Python 3.11+ и установленный Micro-Cap 12 (фримварь). Клонировать ничего не надо — укажи в MCP-клиенте, и uvx сам скачает пакет:

JSON Config
{
  "mcpServers": {
    "microcap": {
      "command": "uvx",
      "args": ["microcap-mcp"],
      "env": { "MICROCAP_HOME": "E:/Tools/MC12" }   // только если автопоиск не нашёл
    }
  }
}

Драйвер сам ищет Micro-Cap в типовых местах; MICROCAP_HOME укажи на папку с mc12_64.exe, если он лежит нестандартно.

Из исходников
bash
git clone https://github.com/monoxide-xen/microcap-mcp
cd microcap-mcp
uv sync
JSON Config
{
  "mcpServers": {
    "microcap": {
      "command": "uv",
      "args": ["--directory", "C:/path/to/microcap-mcp", "run", "microcap-mcp"]
    }
  }
}

Инструменты

ИнструментЧто делает
simulate · sweep · plotпосчитать SPICE-нетлист, свип по .DEFINE, график в JPEG
generate_transistor_amplifier · _emitter_follower · _mosfet_amplifierкаскады на транзисторе / MOSFET, авто-смещение под середину питания
generate_differential_pair · _current_mirror · _cascode · _amplifierдифпара, зеркало, каскод, усилитель на ОУ
generate_schematicисточник + R/C/L последовательно и параллельно (RC/RL/RLC, делители, контуры)
simulate_schematic · plot_schematicпосчитать / построить график произвольной .CIR
draw_schematic · annotate_schematicнарисовать .CIR в SVG (1:1 с MC) · с рабочей точкой на схеме
simulate_example · search_examples · get_example · describe_example · list_domains~490 эталонных схем из поставки MC: поиск, исходник, анализы

Плюс ресурсы microcap://guide и microcap://domains и промпт analyse_circuit — чтобы агент не дал MC молча соврать.

Тесты

bash
uv run pytest        # 138 юнит без Micro-Cap; +30 интеграционных против физики (нужен MC)

Без Micro-Cap интеграционные пропускаются — CI остаётся зелёным.

Как это устроено

  • Особенности Micro-Cap — поведение, которого нет в мануале (а местами оно мануалу противоречит).
  • eval/harness.py — прогон всех ~490 схем поставки с раскладкой провалов по причинам (сейчас 88% отвечают).

Лицензия

MIT на код репозитория. Micro-Cap 12 принадлежит Spectrum Software — не включён, не перезалит, не модифицирован: используется его документированный CLI.

Read the full README →View source on GitHub →

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Reviews

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Frequently Asked Questions about Microcap MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "microcap-mcp": { "command": "npx", "args": ["-y", "microcap-mcp"] } }

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Technical Specs & Signals

Category💻Developer Tools
More technical detailsExpand ▾
TransportSTDIO
RuntimePython
Last updatedSep 7, 2026
Views0
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GitHub stars1
GitHub Star CountTotal stargazers on GitHub representing community popularity (1 stars).
36Quality signal: Fair · 36/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools16/30
Adoption & activity1/15
Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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