Dev Wraps Sports-Bet Simulator in MCP Server to Calculate True EV for LLMs
negative__ev · reddit · 2026-08-06
The author wrapped a custom sports-betting simulator into an MCP (Model Context Protocol) server, enabling LLMs to determine if a bet has positive expected value (+EV) using real simulation data rather than just summarizing web opinions.
Key Features:
- Exposes three tools: checkbet, getslate, and getusage.
- Instead of guessing, the model reports a true win probability calculated from thousands of play-by-play simulations using actual daily lineups, and computes the expected value based on the quoted odds.
- Currently free, covering MLB, WNBA, tennis, and golf. Supports anonymous calls without authentication.
The author built this to ensure LLMs provide rigorous, data-driven answers when giving gambling advice.
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