Gearcoleco MCP Server

Gearcoleco is a very accurate, cross-platform ColecoVision emulator written in C++ that runs on Windows, macOS, Linux, BSD and RetroArch, with an embedded MCP server for AI debugging and development.

People who need developer tools tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in C++.

VERIFIED ACTIVE

LAST COMMIT 2026-08-24 · ★ 138 · #95 OF 139 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-08-25

GPL-3.0 · C++ · how we verify → /methodology

01 · Install Gearcoleco MCP Server

before you install - you'll need

Set SDL3_TAG, USE_CLANG before connecting.

Claude Desktop

Settings → Extensions → Install, then select the https://github.com/drhelius/gearcoleco/releases/download/1.6.11/Gearcoleco-1.6.11-mcpb-macos-arm64.mcpb .mcpb bundle

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as Claude Desktop extension (.mcpb bundle)

license GPL-3.0 - declared in the repository

registry namespace io.github.drhelius is GitHub-verified and matches the repo owner

03 · What Gearcoleco MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

1.6.11 · 2026-08-22

Performance optimizations · Improved MCP server · Improved Trace Logger in debugger · Many bug fixes and improvements

1.6.10 · 2026-08-17

Improved OCM mapper accuracy · Improved AY-3-8910 audio sampling · Added Sharp Bilinear shaders · Improved VGM recorder · Many bug fixes and improvements

1.6.9 · 2026-08-07

Extensive Z80 accuracy improvements · Added command-line option for portable mode · Improved MCP Server implementation · libretro VFS support · Improved compatibility in Dev Containers · Fixed issues with mouse and…

04 · Who maintains Gearcoleco MCP Server

Gearcoleco MCP Server is maintained by drhelius. We track 4 MCP servers from drhelius - 4 actively maintained, 1,944 combined GitHub stars, oldest repo from Jul 2012. Full record: all servers from drhelius.

  1. Gearboy MCP Server MCP server for Gearboy Nintendo Game Boy / Game Boy Color emulator ★ 1,192
  2. Gearsystem MCP Server MCP server for Gearsystem Sega Master System / Game Gear / SG-1000 emulator ★ 384
  3. Geargrafx MCP Server MCP server for Geargrafx PC Engine / TurboGrafx-16 emulator ★ 230

05 · Facts

category
developer tools - ranked #95 of 139 actively-maintained developer tools servers as of 2026-08-25.
release cadence
9 releases in the last 90 days (latest 2026-08-22)
registry
io.github.drhelius/gearcoleco (active, first published 2026-04-27 · 12 versions)
packages
mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.6.11/Gearcoleco-1.6.11-mcpb-macos-arm64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.6.11/Gearcoleco-1.6.11-mcpb-macos-x64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.6.11/Gearcoleco-1.6.11-mcpb-windows-arm64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.6.11/Gearcoleco-1.6.11-mcpb-windows-x64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.6.11/Gearcoleco-1.6.11-mcpb-linux-x64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.6.11/Gearcoleco-1.6.11-mcpb-linux-arm64.mcpb

06 · Gearcoleco MCP Server FAQ

What is Gearcoleco MCP Server?

Gearcoleco is a very accurate, cross-platform ColecoVision emulator written in C++ that runs on Windows, macOS, Linux, BSD and RetroArch, with an embedded MCP server for AI debugging and development.

Is Gearcoleco MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24 and it shipped 9 releases in the last 90 days. We re-verify nightly.

07 · Alternatives to Gearcoleco MCP Server

More developer tools MCP servers · Geargrafx MCP Server · Raxol · Skylos · Ejentum MCP · Wpf Visual Tree