# Universal Modder

> Packages agent skills, three role briefs, a Python CLI and preconfigured fal MCP settings for modding PC games the user owns. Its reverse-engineering guidance sends managed, native and data-format work to external decompilers and debuggers, and requires a round-trip check before a reverse-engineered file format is used; one worked example ships an Age of Empires II sprite writer built this way. It is a modding toolkit with agent-written field notes, not a game decompilation, and its example results remain project-reported.

- Type: Integration
- Targets: Game
- Category: Independent agent workflows
- Relationship: Independent agent integration
- Sources reviewed: 2026-10-18
- Added to the catalog: 2026-10-18
- Original resource: <https://github.com/rehan-remade/universal-modder>
- Primary source: <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/README.md>
- Catalog page: <https://awesomerea.org/resources/universal-modder-agent-toolkit/>
- Record JSON: <https://awesomerea.org/resources/universal-modder-agent-toolkit/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/universal-modder-agent-toolkit/index.md)

## Requirements & limits

- Package 0.2.0 ships twelve skills, three subagent role files, the um CLI and fal MCP settings for Claude Code, Codex, Gemini CLI, VS Code/Copilot, Cursor and OpenCode. Hosts need Git, Python 3.10+ and ffmpeg (uv recommended; Blender only for 3D-to-sprite rendering); Windows capture, input and launch run natively or from WSL.
- Start from a game installation you own; no game files, ROMs or decompiled code are supplied, and decompiles and extracted assets stay out of the repository. Asset generation needs a fal API key or browser sign-in; ComfyUI is a local image alternative and Sprixen a separate paid API. Tools such as ILSpy, Cpp2IL, Ghidra, IDA, Cheat Engine, Frida and RenderDoc are installed separately.
- The AoE2 DE .sld writer’s 0.9/255 mean error on a stock sprite, its September 2026 in-game test and a Terraria movement port’s 99.9% velocity match are author results.
- CI checks the toolkit (tests, CLI help, index and a publish lint blocking game files, decompiled code and secrets). Field notes are agent-written with self-declared verification.
- Rules limit work to owned games offline or on self-hosted servers and refuse injection into anti-cheat-protected online clients, cheats against other players, and DRM, anti-cheat or ownership-check bypasses. Code is MIT with fonts under the SIL OFL; generated assets follow fal and model terms, and games and tools keep theirs.

## Primary sources

1. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/README.md>
2. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/AGENTS.md>
3. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/skills/reverse-engineering/SKILL.md>
4. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/skills/mod-any-game/references/safety.md>
5. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/examples/aoe2-de-civ/README.md>
6. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/knowledge/README.md>
7. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/CONTRIBUTING.md>
8. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/.github/workflows/test.yml>
9. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/pyproject.toml>
10. <https://github.com/rehan-remade/universal-modder/blob/6a8865ae171b406f50892c7f46fc5f45655269eb/LICENSE>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.