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.
86 running calculators, 29 marathon events, pace/time/distance calculations, race time predictions (Riegel formula), and heart rate training zones (Karvonen method) for AI agents. No API key required.
Real-time tennis for ATP, WTA, Challenger and ITF — live scores, players, fixtures, model win-probability, and match-winner market prices. 12 read-only tools; a plan wall returns a plain-English explanation instead of a bare 403. Free tier, no card. npx -y livetennisapi-mcp