The best open-core MMORPG engine — Rust server + client, Bun/SolidJS operator web. Original IP, data-driven, horizontally scalable, AI-native. MIT.
Latest release v0.1.0 · 9 Aug 2026
11 files for Claude Code, Codex and OpenCode: content, db, gameclient, gameengine and 7 more — 2,026 tokens loaded in every session.
AGENTS.md A 4 tok CLAUDE.md A 2,022 tok .claude/skills/merge-pr/SKILL.md A 75 tok .claude/agents/content.md A 91 tok .claude/agents/db.md A 83 tok .claude/agents/gameclient.md A 83 tok .claude/agents/gameengine.md A 89 tok .claude/agents/server.md A 105 tok .claude/agents/webclient.md A — These files are developerz-ai/open-mmorpg'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.