Circuitarium MCP Server

by craftiee Your server? Claim it

local only

Circuitarium MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 75 installs a week from npm. Last commit 29 Jul 2026.

MCP tools for CRUMB artifacts and Logisim-evolution analysis and non-interactive simulation.

Installs per day peak 314 · avg 22

a month agotoday

Installs / week

npm · circuitarium-mcp

Stars

7 open issues

29 Jul 2026

Last commit

0 releases in 90 days

Apache-2.0

License

TypeScript

What the code does

We read the source, 10 h ago · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command src/adapters/logisim/runtime.ts:316

    const child = spawn(request.command, [...request.args], {

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add circuitarium -- npx -y circuitarium-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "circuitarium": {
      "args": [
        "-y",
        "circuitarium-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.circuitarium]
command = "npx"
args = ["-y", "circuitarium-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "circuitarium": {
      "args": [
        "-y",
        "circuitarium-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "circuitarium": {
      "args": [
        "-y",
        "circuitarium-mcp"
      ],
      "command": "npx"
    }
  }
}

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answering

Circuitarium MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Circuitarium MCP?

Circuitarium MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package circuitarium-mcp was installed 75 times last week.

How do I connect Circuitarium MCP?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls circuitarium-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Circuitarium MCP?

The npm package circuitarium-mcp was installed 75 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Circuitarium MCP open source?

Yes — it is published under the Apache-2.0 licence, written in TypeScript, 1 stars on GitHub and 7 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.