# Gearboy (open-source gaming app)

> Gearboy is a free, open-source gaming app for Windows, macOS and Linux. Game Boy / Game Boy Color / Super Game Boy emulator and debugger with embedded MCP server for macOS, Windows, Linux, BSD and RetroArch. It has 1,213 GitHub stars and is released under the GPL-3.0 license.

Gearboy is an accurate, cross-platform Game Boy / Game Boy Color / Super Game Boy emulator written in C++ that runs on Windows, macOS, Linux, BSD and RetroArch, with an embedded MCP server for AI debugging and development.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/drhelius/Gearboy |
| Platforms | Linux, macOS, Windows, BSD |
| Interface | desktop GUI |
| GitHub stars | 1,213 |
| License | GPL-3.0 (open source) |
| Replaces | n/a |
| Language | C++ |
| Website | https://x.com/drhelius |
| Official | no |
| Category | Gaming & emulation |
| Latest release | 3.8.17 (Oct 4, 2026) |
| Last commit | Oct 6, 2026 |

## Install

### Homebrew (macOS)

```sh
brew install --cask drhelius
```

Package page: https://formulae.brew.sh/cask/drhelius

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Canonical page: https://appsgit.com/desktop-apps/gearboy
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Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.