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.

DeepSeek Harness plugin: control the Unity Editor through the unity CLI

MCP server, CLI and skills for Summer Engine, the game engine built for AI. Connect Claude Code, Cursor, Codex and other agents to build, test and publish full games to summer.games.