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Integration

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.

Requirements and limitations

  • The reviewed pin is Python package version 0.2.0. It ships twelve Agent Skills-format skills, three subagent role files, the um CLI and per-client settings for the hosted fal MCP server, with install routes for Claude Code, Codex, Gemini CLI, VS Code/Copilot, Cursor and OpenCode. The host needs Git, Python 3.10+ and ffmpeg, with uv recommended and Blender only for 3D-to-sprite rendering; Windows capture, input and launch commands run natively or from WSL.
  • Work starts from a game installation the user owns. The toolkit supplies no game files, ROMs or decompiled code, and tells agents to keep decompiles and extracted assets outside the repository. Asset generation needs a fal API key or fal’s browser sign-in; a local ComfyUI server is an image alternative, and Sprixen is a separate paid API. Decompilers, debuggers, loaders and MCP servers named in the skills, such as ILSpy, Cpp2IL, Ghidra, IDA, Cheat Engine, Frida and RenderDoc, are installed separately.
  • The reverse-engineering skill asks agents to read decompiled code, data or live memory, confirm guesses dynamically, and prove a reverse-engineered file format with a decode–encode–decode round trip before writing new files. It reports that the Age of Empires II DE .sld writer was accepted at 0.9/255 mean error on a stock sprite, and that a ported Terraria boss-movement rule matched recorded velocities at 99.9%. The AoE2 example reports in-game testing in September 2026; these are author results, not reproduced here.
  • Repository CI runs the Python tests, every CLI help screen, a knowledge-base index check and a publish lint that blocks game files, decompiled code and secrets. These checks cover the toolkit, not whether a mod works in a particular game. Knowledge-base field notes are agent-written and PR-reviewed with self-declared status and verification sections; they are not independently verified compatibility records. This collection reviewed source and documentation without running the CLI, skills, games or examples.
  • Project rules limit work to games the user owns, offline or on servers the user hosts, and refuse injection into anti-cheat-protected online clients, cheats against other players, and DRM, anti-cheat or ownership-check bypasses. The repository declares MIT for its code and bundles fonts under the SIL OFL; generated assets follow fal and model terms, and games, loaders and external tools keep their own terms. Its safety notes cite takedowns of projects that shipped no assets. The reviewed sources establish no REA connection.

About this entry

Type
Integration
Category
Independent agent workflows
Relationship
Independent agent integration
Targets
Game

Sources reviewed

The description was reviewed against primary sources. This does not establish runtime testing, security auditing or verified compatibility.

Primary sources

  1. README.md GitHub · rehan-remade/universal-modder · Revision 6a8865a
  2. AGENTS.md GitHub · rehan-remade/universal-modder · Revision 6a8865a
  3. skills/reverse-engineering/SKILL.md GitHub · rehan-remade/universal-modder · Revision 6a8865a
  4. skills/mod-any-game/references/safety.md GitHub · rehan-remade/universal-modder · Revision 6a8865a
  5. examples/aoe2-de-civ/README.md GitHub · rehan-remade/universal-modder · Revision 6a8865a
  6. knowledge/README.md GitHub · rehan-remade/universal-modder · Revision 6a8865a
  7. CONTRIBUTING.md GitHub · rehan-remade/universal-modder · Revision 6a8865a
  8. .github/workflows/test.yml GitHub · rehan-remade/universal-modder · Revision 6a8865a
  9. pyproject.toml GitHub · rehan-remade/universal-modder · Revision 6a8865a
  10. LICENSE GitHub · rehan-remade/universal-modder · Revision 6a8865a