AI-assisted toolkit for making HTML5 games with LittleJS: the engine, templates, and agent instructions that work with Claude Code, Codex, Cursor and Copilot, so the AI builds your game instead of rebuilding an engine. Installable as a Claude Code plugin.
2 files for Claude Code, Codex and OpenCode: LittleJS-AI CLAUDE.md, LittleJS-AI AGENTS.md — 5,801 tokens loaded in every session.
CLAUDE.md A 4 tok AGENTS.md A 5,797 tok These files are KilledByAPixel/LittleJS-AI's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.