UNIVERSAL
MODDERFIELD GUIDE
GitHub Start modding
THE FIELD MANUAL

LESS GUESSWORK.
MORE MODDING.

Pick your coding agent to get set up. Then build one small thing you can test in the real game.

01 / Choose your agent

INSTALLATION
✳ SETUP GUIDE

Claude Code

Add the marketplace, install the plugin, and give Claude your first mod idea.

Get set up ⌘ SETUP GUIDE

Codex

Install the same skills and tools through the Codex CLI plugin marketplace.

Get set up ↗ SETUP GUIDE

Cursor

Open a local clone in Cursor so it can read the project instructions and MCP configuration.

Get set up ✦ SETUP GUIDE

Gemini CLI

Install the repository as an extension for Gemini CLI.

Get set up ◧ SETUP GUIDE

OpenCode

Run OpenCode in a clone; the repository includes its skills and fal MCP configuration.

Get set up >_ SETUP GUIDE

Other agents

Use the Agent Skills format with a compatible coding agent, or work from a local clone.

Get set up

02 / Build & troubleshoot

PRACTICAL GUIDES
WORKFLOW · 8 MIN READ

Make your first mod

Go from a game folder and a small idea to something you can test in-game.

Read the guide TROUBLESHOOTING · 6 MIN READ

When something breaks

Diagnose missing tools, loader mismatches, asset failures, and game crashes.

Read the guide
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