UM

Universal Modder

Skills and tools that let Claude Code mod PC games you own: inspect the game, reverse-engineer it, generate art and audio with fal, and test in-game.

🧩 SkillSource: rehan-remade/universal-modderBy rehan-remadeGitHub stars8,499License: MITUpdated 2026-10-20GitHub ↗

Test results

Run with our skill harness: the skill alone in a throwaway project, invoked by name, and the real output file checked. Skills are tested in Claude Code and Cursor only so far.

ClientResultLast passedWhat we checked
Claude Code
2.1.296 (Claude Code)
Passed
Tested 2026-10-28
2026-10-28asset-pipeline: {'item.png 32x32': True, 'item hard alpha': True, 'item background removed': True, 'item not empty': True, 'strip.png 128x32': True, 'MODLOG.md + token': True, 'um sprite used': True}
Cursor
2026.10.22-27dcf5f
Passed
Tested 2026-10-28
2026-10-28asset-pipeline: {'item.png 32x32': True, 'item hard alpha': True, 'item background removed': True, 'item not empty': True, 'strip.png 128x32': True, 'MODLOG.md + token': True, 'um sprite used': True}

Skill version: github.com/rehan-remade/universal-modder @ c33afda7 (2026-10-27).

Get it

The skill’s files and install instructions are in its repository: github.com/rehan-remade/universal-modder.

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