Global and project configs are merged — servers from both are available simultaneously. Changes are picked up only when restarting the AI client session.

VS Code-based IDEs use a different config format than Claude Code / Cursor.

Project config — .vscode/mcp.json:

{
  "servers": {
    "gdd": {
      "type": "http",
      "url": "http://localhost:9700/mcp"
    }
  }
}

Global config — open via Cmd+Shift+P → "Open User Settings (JSON)":

{
  "mcp": {
    "servers": {
      "gdd": {
        "type": "http",
        "url": "http://localhost:9700/mcp"
      }
    }
  }
}

Global settings.json location: macOS — ~/Library/Application Support/<IDE>/User/settings.json, Linux — ~/.config/<IDE>/User/settings.json, Windows — %APPDATA%/<IDE>/User/settings.json. Replace <IDE> with your editor name (Code, Windsurf, Antigravity, etc.).

stdio-proxy alternative (.vscode/mcp.json):

{
  "servers": {
    "gdd": {
      "type": "stdio",
      "command": "bash",
      "args": ["/absolute/path/to/Scripts/mcp-proxy.sh"]
    }
  }
}

By default, Claude Code asks for confirmation on every MCP tool call. To allow GDD tools without prompts, add to ~/.claude/settings.json:

{
  "permissions": {
    "allow": [
      "mcp__gdd__*"
    ]
  }
}

This single wildcard covers all 36 GDD tools. Restart Claude Code after editing.

Proxy scripts start GDD automatically when your AI client connects:

Windows:

{
  "mcpServers": {
    "gdd": {
      "command": "powershell",
      "args": ["-ExecutionPolicy", "Bypass", "-File", "C:/path/to/Scripts/mcp-proxy.ps1"]
    }
  }
}

Linux / macOS:

{
  "mcpServers": {
    "gdd": {
      "command": "bash",
      "args": ["/path/to/Scripts/mcp-proxy.sh"]
    }
  }
}

Add "--headless" to the args array for CI/CD.

Tip: On first launch, GDD downloads Chromium (~80 MB). If your AI client times out, run GDD manually first, then reconnect.

macOS (launchd):

bash Scripts/install-launchd.sh            # headed (default)
bash Scripts/install-launchd.sh --headless  # for CI/CD

Manage: launchctl list | grep gdd / bash Scripts/install-launchd.sh --uninstall

Linux (systemd):

mkdir -p ~/.config/systemd/user
cat > ~/.config/systemd/user/gdd.service << 'EOF'
[Unit]
Description=GDD Multi-Browser Testing Server
[Service]
ExecStart=/path/to/GDD.Headless
WorkingDirectory=/path/to/gdd-directory
Restart=on-failure
[Install]
WantedBy=default.target
EOF

systemctl --user daemon-reload
systemctl --user enable --now gdd

curl -X POST http://localhost:9700/mcp -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"gdd_add_players","arguments":{"count":1}}}'

GDD uses standard JSON-RPC 2.0 — works with curl, Python, Node.js, or any HTTP client.

Phones (11)

Tablets (6)

Desktops (5)

BrowserXn.sln
├── src/
│   ├── GDD.Core/              ← Shared library (net8.0)
│   │   ├── Abstractions/      ← IBrowserEngine, IPlayerManager, ...
│   │   ├── Mcp/               ← MCP server, tools, protocol
│   │   ├── Models/            ← Device, Location, Network presets
│   │   ├── Services/          ← CDP, Emulation, Monitoring services
│   │   └── Collections/       ← RingBuffer
│   ├── BrowserXn/             ← Windows GUI (WPF + WebView2)
│   │   ├── Engines/           ← WebView2ControlAdapter
│   │   ├── ViewModels/        ← MVVM (MainViewModel : IPlayerManager)
│   │   ├── Views/             ← XAML + VideoWallPanel
│   │   └── ...
│   └── GDD.Headless/          ← Cross-platform CLI (Playwright)
│       ├── Engines/           ← PlaywrightEngine
│       ├── Platform/          ← HeadlessPlayerManager
│       └── Scripts/           ← mcp-proxy.sh, mcp-proxy.ps1
└── .github/workflows/         ← CI/CD (5 platform targets + auto-release)

appsettings.json next to the executable:

{
  "GDD": {
    "FrontendUrl": "about:blank",
    "BackendUrl": "http://localhost:8080/api/v1",
    "BotToken": "",
    "McpPort": 9700,
    "DataFolderRoot": ""
  }
}

Requires .NET 8 SDK.

# Windows GUI (requires Windows 10/11 + WebView2)
dotnet publish src/BrowserXn/BrowserXn.csproj -c Release -p:PublishSingleFile=true -o ./publish/win-gui

# Cross-platform headless
dotnet publish src/GDD.Headless/GDD.Headless.csproj -c Release -r linux-x64 --self-contained -o ./publish/linux-x64
dotnet publish src/GDD.Headless/GDD.Headless.csproj -c Release -r osx-arm64 --self-contained -o ./publish/osx-arm64
dotnet publish src/GDD.Headless/GDD.Headless.csproj -c Release -r win-x64 --self-contained -o ./publish/win-x64

Chromium installs automatically on first run.