GDD (Giggly-Dazzling-Duckling)

@Cap-of-tea

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17 days ago

AI-controlled browser farm: run N isolated Chromium instances with 36 MCP tools for multi-device testing, screenshots, device emulation, network control, and console diagnostics.

Overview Tools Comments

Overview

What is GDD?

AI-controlled browser farm on your machine. Run N isolated Chromium instances with 36 MCP tools — test your site like it's launch day.

Key Features

Multi-device — 22 device presets: iPhone SE → 16 Pro Max, Pixel 9, Galaxy S24, iPads, desktops
Human-like input — humanize=true moves the mouse along a Bézier curve with natural easing before clicking
Full interaction — Navigate, tap, type, swipe, scroll, hover, handle dialogs, take screenshots
Device emulation — Screen size, DPR, touch, user agent, geolocation, timezone, language
Network control — Simulate 4G, Fast 3G, Slow 3G, or offline per browser
Diagnostics — Console errors, network traffic, performance metrics, push notifications
Error beacon — Every tool response warns about JS errors across all browsers automatically
Cross-platform — Windows GUI with live video wall + headed/headless on Linux & macOS
Docker — docker run -p 9700:9700 ghcr.io/cap-of-tea/gdd:1.5.0

Quick Start

Download from GitHub Releases
Run ./GDD.Headless
Add to .mcp.json:

{ "mcpServers": { "gdd": { "url": "http://localhost:9700/mcp" } } }

Try in Playground

Server Config

{
  "mcpServers": {
    "gdd": {
      "url": "http://localhost:9700/mcp"
    }
  }
}

Build with ShipAny.