Gearcoleco MCP Server

Gearcoleco is a very accurate, cross-platform ColecoVision and Coleco ADAM 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 work with linux, emulator and raspberry pi and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in C++.

VERIFIED ACTIVE

LAST COMMIT 2026-09-16 · ★ 141 · #108 OF 168 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-09-18

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/1.7.0/Gearcoleco-1.7.0-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

1.7.0 · 2026-09-13

Added Coleco ADAM support, with dedicated debugger windows and MCP tools · Extensive TMS9918A VDP accuracy improvements · Many bug fixes and improvements

1.6.13 · 2026-09-01

New iOS App (in development) · Better VSync at different refresh rates · Minimized input lag with 120, 144 and 240 Hz screens · Updated Game Controller DB · Improved debugger tools · Many bug fixes and improvements

1.6.12 · 2026-08-26

Added F18A support · IPS soft-patching · Many bug fixes and improvements

04 · Who maintains Gearcoleco MCP Server

Gearcoleco MCP Server is maintained by drhelius. We track 4 MCP servers from drhelius - 4 actively maintained, 1,971 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 ★ 1,205
  2. Gearsystem MCP Server MCP server for Gearsystem Sega Master System / Game Gear / SG-1000 emulator ★ 387
  3. Geargrafx MCP Server MCP server for Geargrafx PC Engine / TurboGrafx-16 emulator ★ 238

05 · Facts

category
developer tools - ranked #108 of 168 actively-maintained developer tools servers as of 2026-09-18.
release cadence
10+ releases in the last 90 days (latest 2026-09-13)
registry
io.github.drhelius/gearcoleco (active, first published 2026-04-27 · 15 versions)
packages
mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.7.0/Gearcoleco-1.7.0-mcpb-macos-arm64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.7.0/Gearcoleco-1.7.0-mcpb-macos-x64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.7.0/Gearcoleco-1.7.0-mcpb-windows-arm64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.7.0/Gearcoleco-1.7.0-mcpb-windows-x64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.7.0/Gearcoleco-1.7.0-mcpb-linux-x64.mcpb · mcpb:https://github.com/drhelius/gearcoleco/releases/download/1.7.0/Gearcoleco-1.7.0-mcpb-linux-arm64.mcpb

06 · Gearcoleco MCP Server FAQ

What is Gearcoleco MCP Server?

Gearcoleco is a very accurate, cross-platform ColecoVision and Coleco ADAM 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 2026-09-18, its last commit was 2026-09-16 and it shipped 10+ 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 · Firefox Css Theme · Ejentum MCP