Leeg Coach

A terminal-based in-game League of Legends coaching assistant powered by Claude.

• Built · by Jay for in-game League of Legends sessions to get real-time tactical coaching without alt-tabbing
• Role · Solo build
• Timeline · Mar 2026 – present
• Stack · PythonClaude APIRiot API

  Python stdlib for the polling loop and terminal UI -- no dependencies beyond the Anthropic SDK. Riot's Live Client Data API runs locally during active matches, so the whole thing works on localhost with no extra infrastructure. Claude Sonnet 4.6 handles AI coaching with prompt caching to keep per-game cost under $0.10; Haiku handles lighter tasks like auto-generating matchup notes.