Gearboy and Gearlynx

These are ecosystem siblings—both are standalone emulator/debugger tools with embedded MCP servers built by the same author for different gaming platforms, designed to be used independently or alongside each other to debug different retro systems.

Gearboy
66
Established
Gearlynx
39
Emerging
Maintenance 25/25
Adoption 10/25
Maturity 9/25
Community 22/25
Maintenance 13/25
Adoption 8/25
Maturity 9/25
Community 9/25
Stars: 1,098
Forks: 149
Downloads: —
Commits (30d): 146
Language: C++
License: GPL-3.0
Stars: 54
Forks: 4
Downloads: —
Commits (30d): 0
Language: C++
License: GPL-3.0
No Package No Dependents
No Package No Dependents

About Gearboy

drhelius/Gearboy

Game Boy / Gameboy Color emulator, debugger and embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

Implements cycle-accurate CPU and LCD emulation with support for multiple MBC cartridge types, mid-scanline effects, and battery-backed RAM. Features a comprehensive debugger with jit disassembly, breakpoints, memory inspection, and symbol file support (RGBDS, GBDK-2020, WLA-DX formats). Includes an embedded MCP server exposing execution control and hardware introspection for AI-assisted debugging with Claude and ChatGPT, plus libretro core integration for RetroArch.

About Gearlynx

drhelius/Gearlynx

Atari Lynx emulator, debugger, and embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

Implements cycle-accurate CPU and audio emulation with a full debugger featuring just-in-time disassembly for self-modifying code, breakpoints, and hardware inspection. Exposes debugging capabilities through an embedded MCP server compatible with Claude, ChatGPT, and GitHub Copilot for AI-assisted development. Supports multiple symbol file formats (cc65, lyxass, mads) and integrates with RetroArch and SDL3-based controller input via gamecontrollerdb.

Related comparisons

Gearboy and Gearsystem Gearboy and Geargrafx

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