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Cartridge Cafe MCP Server

by galengoodwick Your server? Claim it
local only

Cartridge Cafe runs on your own machine — the client starts it, so there is no endpoint to ping. 506 installs a week from npm. Last commit 17 Sep 2026.

Your AI builds live WebGPU game worlds on cartridge.cafe — guest door, no account needed.

Installs per day peak 282 · avg 12 · -86% w/w
a month agotoday
506
Installs / week
npm · cartridge-cafe-mcp
0
Stars
0 open issues
17 Sep 2026
Last commit
0 releases in 90 days
License
TypeScript

What the code does

We read the source, 23 h ago · rules 3dff92dd89df

Evidence

Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.

Runs commands and sends data out [пакет] local-eye.mjs:142
      child = spawn(deno, [
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.

File ships in the package but is absent from the source [пакет] bridge-client.mjs:1, [пакет] index.mjs:1, [пакет] eye.mjs:1 и ещё 4
этот файл ставится пользователю, но в репозитории его нет
Executes code built at runtime pentarch/build-engine-v2.mjs:83
const ENG = new Function(eng + '\nreturn ENG;')()
const sh = (cmd, cwd = REPO) => execSync(cmd, { cwd, stdio: "pipe" }).toString().trim();
Page executes code built at runtime web/mockup.html:735
  btn.innerHTML = card.classList.contains('expanded') ? 'Collapse ↑' : 'Expand ↓';
Reads files and sends them to the network mcp/local-eye.mjs:22, [пакет] local-eye.mjs:22
import { existsSync, mkdirSync, readdirSync, copyFileSync, readFileSync } from 'node:fs'

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

We found things in this code

Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch Cartridge Cafe and you get told the day something new turns up.

Three servers free · no card

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.

run in your terminal
claude mcp add cartridge-cafe -- npx -y cartridge-cafe-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "cartridge-cafe": {
      "args": [
        "-y",
        "cartridge-cafe-mcp"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.cartridge-cafe]
command = "npx"
args = ["-y", "cartridge-cafe-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "cartridge-cafe": {
      "args": [
        "-y",
        "cartridge-cafe-mcp"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "cartridge-cafe": {
      "args": [
        "-y",
        "cartridge-cafe-mcp"
      ],
      "command": "npx"
    }
  }
}

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Cartridge Cafe — questions

Answers built from our own checks of this server.

Why is there no uptime for Cartridge Cafe?
Cartridge Cafe 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 cartridge-cafe-mcp was installed 506 times last week.
How do I connect Cartridge Cafe?
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 cartridge-cafe-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use Cartridge Cafe?
The npm package cartridge-cafe-mcp was installed 506 times in the last week. Week over week that is -86%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Cartridge Cafe open source?
We cannot say either way: written in TypeScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.