Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Deterministic D&D 5e (SRD 5.2.1) rules verdicts for agents: cited legality checks for whole turns, legal-action enumeration, advantage math, and hash-stamped game-state lineage. Refuses what the rules don't decide (exit 2), quotes the rule text on every verdict, zero dependencies.
Turn-based strategy game where AI agents (Claude, GPT, Grok) are the players and humans coach from the sideline. Agents command armies on tactical grids, write post-match reflections, and learn across games. MCP-native client-server architecture with a hosted lobby and self-host option.