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Opencu MCP Server

local only

Opencu runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 5 Nov 2026.

Independent local computer-use engine and MCP server for macOS, Windows, Linux and Android

—
Installs / week
npm · @z10/opencu
3
Stars
1 open issue
5 Nov 2026
Last commit
from GitHub
MIT
License
Java

What the code does

We read the source, 21 h ago · rules 995398eba69f

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.

function run(args,timeout=30000){const r=spawnSync(adb,[...prefix,...args],{encoding:'utf8',maxBuffer:4*1024*1024,timeout});if(r.error)throw r.error;if(r.status!==0)throw new Error(r.stderr.trim()||r.stdout.trim()||`adb exited ${r.status}`);return r.stdout;}
      p = new ProcessBuilder(args).redirectErrorStream(true).start();
        var actions: posix_spawn_file_actions_t?

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.

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 opencu -- npx -y @z10/opencu
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "opencu": {
      "command": "npx",
      "args": [
        "-y",
        "@z10/opencu"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.opencu]
command = "npx"
args = ["-y", "@z10/opencu"]
.cursor/mcp.json
{
  "mcpServers": {
    "opencu": {
      "command": "npx",
      "args": [
        "-y",
        "@z10/opencu"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "opencu": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@z10/opencu"
      ]
    }
  }
}

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Opencu — questions

Answers built from our own checks of this server.

Why is there no uptime for Opencu?
Opencu 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 @z10/opencu.
How do I connect Opencu?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls @z10/opencu straight from npm; nothing to host, nothing to sign up for.
Is Opencu open source?
Yes — it is published under the MIT licence, written in Java, 3 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.