Big Balls Sports Data for ChatGPT

com.bigballsdata/sports-data

Sports data across 8 sports under one canonical schema — scores, stats, standings, Elo, odds

client:ChatGPT transport:streamable-http

Install Big Balls Sports Data in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.bigballsdata.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs