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Electron Viewer

io.github.acertijosapps/electron-viewer ยท v1.1.0

Drive Electron apps over CDP: screenshots, clicks, drags, keys, JS in renderer and main, logs.

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add electron-viewer -e ELECTRON_VIEWER_URL=<ELECTRON_VIEWER_URL> -e ELECTRON_VIEWER_PROJECT=<ELECTRON_VIEWER_PROJECT> -- npx -y @acertijosapps/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "electron-viewer": {
      "command": "npx",
      "args": [
        "-y",
        "@acertijosapps/[email protected]"
      ],
      "env": {
        "ELECTRON_VIEWER_URL": "<ELECTRON_VIEWER_URL>",
        "ELECTRON_VIEWER_PROJECT": "<ELECTRON_VIEWER_PROJECT>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "electron-viewer": {
      "command": "npx",
      "args": [
        "-y",
        "@acertijosapps/[email protected]"
      ],
      "env": {
        "ELECTRON_VIEWER_URL": "<ELECTRON_VIEWER_URL>",
        "ELECTRON_VIEWER_PROJECT": "<ELECTRON_VIEWER_PROJECT>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "electron-viewer": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@acertijosapps/[email protected]"
      ],
      "env": {
        "ELECTRON_VIEWER_URL": "<ELECTRON_VIEWER_URL>",
        "ELECTRON_VIEWER_PROJECT": "<ELECTRON_VIEWER_PROJECT>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
ELECTRON_VIEWER_URL
Optional		Viewer to show actions live (default http://localhost:8094); without it, CDP is used directly
ELECTRON_VIEWER_PROJECT
Optional		Electron project folder that launch_app starts with `electron .` (default: the current folder)

Details

Package@acertijosapps/[email protected] (NPM, stdio)
First published4 Nov 2026
Last updated4 Nov 2026
Registry nameio.github.acertijosapps/electron-viewer

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