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.
Drive the mGBA Game Boy Advance emulator from any MCP client: read/write GBA memory, inject button presses, take screenshots, save/load state, and step the emulator. Lua bridge inside mGBA + Node MCP server.
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.